CN101141378B - Method of issuing path label between access equipment and data network edge equipment - Google Patents
Method of issuing path label between access equipment and data network edge equipment Download PDFInfo
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- CN101141378B CN101141378B CN2006101268624A CN200610126862A CN101141378B CN 101141378 B CN101141378 B CN 101141378B CN 2006101268624 A CN2006101268624 A CN 2006101268624A CN 200610126862 A CN200610126862 A CN 200610126862A CN 101141378 B CN101141378 B CN 101141378B
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Abstract
The present invention discloses a method for releasing path tag between an access equipment and a data network edge equipment. The method comprises the following steps: a controlling channel is established between the access equipment and the data network edge equipment; the data network edge equipment distributes the path tag for the data flow of the end-user after receiving the characteristic information of the data flow specified for the end-user by the network; the path tag distributed for the data flow is released between the access equipment and the data network edge equipment through the controlling channel. The method provided by the present invention for releasing the path tag between the access equipment and the data network edge equipment realizes the flexible and independent controlling to the path tag through releasing the path tag between the access equipment and the data network edge equipment by the controlling channel.
Description
Technical field
The present invention relates to the network communications technology, particularly a kind of between access device and data network edge device the method for issuing path label.
Background technology
In traditional network, the terminal use is by the Access Network edge device of user side access device access network service provider, by the information of Access Network edge device with the terminal use, as terminal use's logon information, accessing position information etc., send the data network edge device to, by the data network edge device support system of safeguarding that terminal use's information and access and service parameter request send to the network service provider is carried out authentication and authorization again.Wherein, the user side access device can be subscriber terminal equipment (CPE) of number of support word subscriber's line (DSL) interface modem etc. etc.; The Access Network edge device can be digital subscriber line access and multiplexing device (DSLAM) etc.; The data network edge device can be Broadband Remote Access Server internet protocol (IP) edge devices such as (BRAS) of Internet network; The support system of safeguarding of network service provider can be remote authentication dial-in user service (Radius) server and strategic server.
The network service provider safeguard that support system is passed through terminal use's authentication and authorization after, terminal use's user data arrives the Access Network edge device with the form of Frame, send these Frames to the data network edge device by the Access Network edge device again, after the data network edge device receives these Frames, therefrom obtain packed data message and use the information in the IP head of data message to carry out data message forwarding.
In traditional network, because Access Network edge device and data network edge device are to the control deficiency of customer traffic and network resource utilization, therefore, traditional Access Network edge device and the data flow transfer mechanism between the data network edge device have limited the expansion of Access Network scale, in order to address this problem, prior art has proposed two kinds and controlled customer traffic between Access Network edge device and data network edge device, improves the mechanism of network resource utilization.
A kind of for based on the mechanism of control channel: as between Access Network edge device and data network edge device, to set up control channel, customer traffic between control terminal subscriber equipment and Access Network edge device, dynamically adjust the Internet resources that the terminal use takies, thereby improve the mechanism of network resource utilization; Another kind is the mechanism based on path label: utilize path label control customer traffic, and allocation of network resources, thus expedited data is transmitted the mechanism of raising network resource utilization.
Fig. 1 is the flow chart of prior art based on the mechanism of control channel, and as shown in Figure 1, this flow process comprises the steps:
Step 101 is set up session between Access Network edge device and data network edge device, forms independently control channel.This independently control channel can adopt based on two layers of load mode, promptly based on the load mode of data frame format, also can adopt, promptly based on the load mode of data message form based on three layers of load mode.
Step 102, the Access Network edge device passes through independently, and control channel sends line attachment discovery and capability advertisement to the data network edge device, after the data network edge device receives the announcement of Access Network edge device transmission, can return acknowledge message to the Access Network edge device.
Carry the line attachment information of the be linked into Access Network edge device that user side that the Access Network edge device finds exists in this announcement, the identification information and the ability information that comprise line attachment, the terminal use's that can insert as line attachment quantity, need the information such as bandwidth used
Step 103, subscriber terminal equipment are linked on the Access Network edge device.
Step 104, the Access Network edge device sends line attachment port activation notice message by control channel independently to the data network edge device, and promptly the Access Network edge device is informed the data network edge device with the parameter of the line attachment of the subscriber terminal equipment correspondence that inserts by control channel independently.Wherein, the parameter of line attachment comprises: the position of line attachment, bandwidth etc.
Step 105, the data network edge device is preserved the parameter of the line attachment that receives, and traffic shaping parameter is set, in order to avoid when a plurality of users will be linked into the Access Network edge device, produce the conflict of access bandwidth demand or quality of service requirement.
Step 106, the access network edge device sends to the data network edge device by control channel independently with user login information.
User's logon information comprises information such as terminal use's user name, password, can for: be included in PPP(Point-to-Point Protocol)/DHCP (DHCP) session initiation information in the subscriber terminal equipment access information.
Step 107, the data network edge device is safeguarded that support system sends and is inserted and the service parameter request to the network service provider at self place.
Step 108, the support system of safeguarding of network service provider is handled the access and the service parameter request that receive, is subscriber terminal equipment specified services parameter, and the service parameter of appointment is sent to the data network edge device.
Here, to inserting and the service parameter request is handled mainly and comprised: the terminal use is carried out authentication and insertion authority, and charge by beginning after authorizing success in authentication.
Step 109, the data network edge device is by independently control channel is to Access Network edge device transmission line attachment port arrangement/administrative messag, and notice Access Network edge device is provided with the line attachment parameter and carries out the access interface configuration.
Step 110, subscriber terminal equipment sends Frame to the Access Network edge device.
Step 111, the Access Network edge device sends the Frame that receives to the data network edge device.
Step 112, the data network edge device obtains Frame, discerns and transmit the data message that this Frame comprises.
If the terminal use needs the service parameter of real time altering self, as apply for more suitably bandwidth or better qos parameter, then carry out flow process shown in Figure 2, this flow process comprises the steps:
Step 201, subscriber terminal equipment are passed through independently, and control channel directly sends on-demand business request, i.e. business demand update instruction to the data network edge device.Carry the business parameters data of needs change and the service parameter value after the change in this instruction.
Step 202, the data network edge device is preserved access and the service parameter that user terminal sends, and traffic shaping parameter is set, in order to avoid conflict.
Step 203, data network edge device safeguard that support system sends and insert and the service parameter request to the network service provider at self place, in this service parameter request carried terminal user's identity information and change after service parameter etc.
Step 204, the network service provider safeguard support system receive insert and service parameter after, determine whether the renewal of admissible parameter, if the service parameter of renewal is then returned in permission to the data network edge device; Otherwise flow process finishes.
Step 205, the data network edge device is by independently control channel is to Access Network edge device transmission line attachment port arrangement/administrative messag, and notice access network edge device is provided with the line attachment parameter, and carries out the access interface configuration.
Step 206, subscriber terminal equipment sends Frame to the Access Network edge device.
Step 207, the Access Network edge device sends the Frame that receives to the data network edge device.
Step 208, the data network edge device obtains Frame, discerns and transmit the data message that this Frame comprises.
The mechanism based on control channel of Figure 1 and Figure 2, the user data message is to arrive the data network edge device with the form of original Layer 2 data frame, after the data network edge device receives the user data message, need from Frame, to obtain packed data message earlier, carry out the longest coupling and forwarding according to the information in the IP head of data message again.When these a series of processes are linked on the same data network edge device in a large number of users terminal, processing resources a large amount of on the data network edge device will be taken, comprise hardware resource and software systems resource, reduce the reaction speed and the forwarding speed of data network edge device the most at last, even may cause the new terminal use can't access network.
In addition, in existing mechanism based on control channel, adopt the Frame tranmission techniques on the Access Network edge device, and on the data network edge device, adopt be based on the data transferring technique of long coupling, this makes can't implement whole traffic engineering on access network and data network, also can't improve utilization rate of network resource by whole traffic engineering certainly.
In order to solve the problem that can't realize whole traffic engineering on access network and data network, prior art has proposed the mechanism based on path label.
Fig. 3 is the flow chart of prior art based on the mechanism of path label, and as shown in Figure 3, this flow process comprises the steps:
Step 301, subscriber terminal equipment inserts the Access Network edge device, and sends terminal use's logon information to the data network edge device by the Access Network edge device.
Step 302, the data network edge device sends access and service parameter request to the support system of safeguarding of network service provider.
Step 303, the support system of safeguarding of network service provider is carried out authentication and authorization to the terminal use, and after authentication and authorization is passed through, designated terminal user's service parameter.
Step 304, the support system of safeguarding of network service provider will send to the data network edge device for the service parameter of terminal use's appointment.
Step 305, data network edge device send subscriber terminal equipment to after the service parameter that receives is handled, and comprise in this service parameter that network is terminal use's a data flow data designated stream characteristic information, comprises the source IP address of data flow etc.
Step 306, subscriber terminal equipment sends terminal use's data to the Access Network edge device with the form of Frame, and having encapsulated network in this Frame is terminal use's data designated stream characteristic information.
Step 307, Access Network edge device are that the Frame that receives distributes a path label according to the data flow characteristic information that carries in the Frame, and path label is encapsulated in the Frame, send to the data network edge device.
Step 308, after the data network edge device receives the Frame that has encapsulated path label, from Frame, obtain data message, from data message, take out the characteristic information of data flow, and data stream classified, the mapping of learning data stream and path label simultaneously, and bind the forwarding behavior of this data flow and the path label of learning, transmit the data message of this Frame at last.
Here, the forwarding behavior of data flow comprises: the transmission precedence information of the forwarding port information of data flow and forwarding port etc.
Step 309, subscriber terminal equipment sends terminal use's follow-up data to the Access Network edge device with the form of Frame.
The Frame that step 310, Access Network edge device use identical path label encapsulation to receive, and the data message after will encapsulating sends the data network edge device to.
Step 311, data network edge device are directly transmitted the data message that receives based on path label.
And to send subscriber terminal equipment to from the data message of data network, need to carry out following steps:
Step 312, data network will send to the data network edge device to the data message that the terminal use sends.
Step 313, the data network edge device encapsulates the data message that will send to subscriber terminal equipment with the path label of learning, and the data message after will encapsulating sends to the Access Network edge device.
Step 314, the Frame that the path label of the data message that Access Network edge device foundation receives will remove path label sends subscriber terminal equipment to.
This mechanism based on path label, though can reach the control customer traffic to a certain extent, improve the purpose of resource utilization, but this mechanism does not have independently control channel between Access Network edge device and data network edge device, therefore want realizing route label and relevant parameter thereof, as qos parameter, renewal and maintenance, need very difficulty and complicated implementation procedure.Simultaneously, existing mechanism based on path label is only supported upstream path label distribution pattern, be that path label can only be distributed by the Access Network edge device, can not distribute by the data network edge device, if therefore a plurality of Access Network edge devices are linked into by many accesses network on the same interface of data network edge device, then will produce the problem of path label conflict at the data network edge device.
In addition, this mechanism also can't realize perception and the release for the idle route label, therefore may cause the waste of ample resources.
In a word, existing mechanism based on path label can't realize the independence of path label is controlled flexibly.
Summary of the invention
In view of this, main purpose of the present invention be to provide a kind of between access device and data network edge device the method for issuing path label, realize independently control flexibly to path label.
In order to achieve the above object, the invention provides a kind of between access device and data network edge device the method for issuing path label, this method may further comprise the steps:
A, between access device and data network edge device, set up control channel;
B, the data network edge device receive network for terminal use's data designated stream characteristic information after, be terminal use's distribution of flows path label by data network edge device or Access Network edge device;
C, between access device and data network edge device, be issued as the path label of described distribution of flows by described control channel.
The described dispense path label of described step B is: the data network edge device is terminal use's distribution of flows path label, and binds the forwarding behavior of this data flow and be the path label of this distribution of flows according to the data flow characteristic information that receives;
The described issuing path label of step C is: the data network edge device is issued as the path label of described distribution of flows to access device by described control channel.
Before the described dispense path label of step B, comprising: the data network edge device sends the data flow characteristic information that receives to access device by control channel;
Access device is carried at the data flow characteristic information in the message of request dispense path label, sends to the data network edge device by described control channel;
Described dispense path label is: the data flow characteristic information that carries in the message of data network edge device according to the request dispense path label that receives, be the distribution of flows path label, and bind the forwarding behavior of this data flow and be the path label of this distribution of flows;
The described issuing path label of step C is: the data network edge device is issued as the path label of described distribution of flows to access device by described control channel.
Before the message of described transmission request dispense path label, further comprise: subscriber terminal equipment sends terminal use's Frame to access device, carries the data flow characteristic information in this Frame.
Described access device is carried at the data flow characteristic information in the message of asking the dispense path label: the data flow characteristic information that access device will obtain from the Frame that receives is carried in the message of request dispense path label; Or
Access device transmits the data network edge device by control channel data flow characteristic information is carried in the message of request dispense path label.
Before the described dispense path label of step B, comprising: the data network edge device sends the data flow characteristic information that receives to access device by control channel;
Described dispense path label is: access device is terminal use's distribution of flows path label according to the data flow characteristic information that receives;
The described issuing path label of step C is: access device sends to the data network edge device by described control channel with the path label that distributes, the path label that the binding of data network edge device receives and the forwarding behavior of described data flow.
Before the described access device dispense path label, further comprise: subscriber terminal equipment sends terminal use's Frame to access device, carries the data flow characteristic information in this Frame;
Described send Frame to access device before, comprising: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
Described access device is according to the data flow characteristic information that receives, and the dispense path label is: access device is terminal use's distribution of flows path label according to the data flow characteristic information that obtains from the Frame that receives; Or
Access device is terminal use's distribution of flows path label according to the data flow characteristic information that receives from control channel.
Described access device further comprises after by described control channel the path label that distributes being sent to the data network edge device:
C1, data network edge device judge that the path label whether path label that receives using with self is identical, if identical, execution in step C2 then; Otherwise, execution in step C3;
C2, data network edge device notify this path label of access device unavailable by control channel, and access device will be redistributed new path label for described data flow, and send to the data network edge device by described control channel, return step C1;
Or the data network edge device is unavailable by this path label of control channel notice access device, and the path label that can use for described distribution of flows, send to access device by described control channel, and bind the forwarding behavior of described data flow and from as the path label of described distribution of flows;
The path label that C3, the binding of data network edge device receive and the forwarding behavior of described data flow.
Steps A is described set up control channel after, before the described data network edge device of step B receives the data flow characteristic information, comprising:
After A1, subscriber terminal equipment were linked into access device, access device sent user's logon information to the data network edge device;
A2, data network edge device send to network and insert and the service parameter request;
A3, the network based access that receives and service parameter request are carried out authentication and authorization to the terminal use, and after Certificate Authority passes through, be terminal use's specified services parameter, and with the service parameter return data network edge equipment of appointment, this service parameter comprises terminal use's data flow characteristic information.
Before steps A 1 described subscriber terminal equipment is linked into access device, further comprise: access device sends to the data network edge device by the line attachment information that described control channel can insert self;
After described subscriber terminal equipment is linked into access device, access device further comprises before the data network edge device sends user's logon information: access device sends to the data network edge device by described control channel with the line attachment information of described user terminal correspondence;
The data network edge device is preserved the line attachment information that receives, and traffic shaping parameter is set.
Behind the described issuing path label of step C, further comprise: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
Described send Frame to access device before, further comprise: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
Described access device is the Access Network edge device; Described data network edge device is an internet protocol IP edge device.
Behind the described issuing path label of step C, further comprise:
A, subscriber terminal equipment send the request of upgrading the parameter related with path label to the data network edge device, carry the information of wanting updated parameters in this request;
The updated parameters information of wanting that b, data network edge device will receive sends to network, if network is permitted described parameter update, then the data network edge device upgrades the relevant parameter of path label association by control channel notice access device.
Described access device is the Access Network edge device; The described parameter related with path label is: bandwidth or service quality QoS parameter.
Behind the described step C, further comprise: but access device or data network edge device send the order of release way searching label by independent control channel;
But whether access device or the inquiry of data network edge device exist the release way label, and discharge the path label that inquires.
Described path label is: multi protocol label switching protocol MPLS label, MPLS tranmission techniques label, provider backbone tranmission techniques PBT label or virtual LAN VLAN number.
Described control channel adopts the load mode based on data frame format, or adopts the load mode based on data message.
By technical scheme of the present invention as can be known, the present invention sets up control channel between access device and data network edge device, by control channel issuing path label between access device and data network edge device, thereby realized independently control flexibly to path label, as: the independently control channel renewal of the parameter of realizing route label association flexibly and easily can be passed through; Not only can realize by Access Network edge device dispense path label, also can realize by data network edge device dispense path label by data flow driven pattern or signaling drive pattern.
In addition, by the independently control channel of between access device and data network edge device, setting up, but can also realize periodic release way searching label process by access device or the initiation of data network edge device, can make access device or data network edge device know the also path label of releasing idling by this periodic query script, avoid the waste of resource.Access device and data network edge device can also pass through independently, and but control channel sends the control messages of merge way label, but realizes the control of merge way label, saves ample resources.
Description of drawings
Fig. 1 is the flow chart of prior art based on the mechanism of control channel;
Fig. 2 is mechanism the flow chart when terminal use need change self service parameter of prior art based on control channel;
Fig. 3 is the flow chart of prior art based on the mechanism of path label;
Fig. 4 is the flow chart of the present invention's preferred embodiment of issuing path label method between access device and data network edge device;
Fig. 5 is the flow chart of the present invention's second preferred embodiment of issuing path label method between access device and data network edge device;
Fig. 6 is the flow chart of the present invention's the 3rd preferred embodiment of issuing path label method between access device and data network edge device;
Fig. 7 is the flow chart of the present invention's the 4th preferred embodiment of issuing path label method between access device and data network edge device;
Fig. 8 is the flow chart of method of the present invention when the terminal use need change the service parameter of self.
Embodiment
For making purpose of the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
The method of the present invention's issuing path label between access device and data network edge device, at first between access device and data network edge device, set up independently control channel, the data network edge device receive network for terminal use's data designated stream characteristic information after, be terminal use's distribution of flows path label, and between access device and data network edge device, be issued as the path label of described distribution of flows by control channel.
Described is terminal use's distribution of flows path label, and can be the distribution of flows path label and be distributed to the data network edge device by control channel for: access device by the control channel issuing path label; Also can be the distribution of flows path label and be distributed to access device for the data network edge device by control channel.
The method of the present invention's issuing path label between access device and data network edge device, described set up control channel after, before described data network edge device receives the data flow characteristic information, further comprising the steps of:
After A, subscriber terminal equipment were linked into access device, access device sent user's logon information to the data network edge device;
B, data network edge device send to network and insert and the service parameter request;
C, the network based access that receives and service parameter request are carried out authentication and authorization to the terminal use, and after Certificate Authority passes through, be terminal use's specified services parameter, and with the service parameter return data network edge equipment of appointment, this service parameter comprises terminal use's data flow characteristic information.
Here, the information interaction between access device and the data network edge device can be undertaken by described control channel.
Preferably, before described subscriber terminal equipment is linked into access device, can further include: access device sends to the data network edge device by the line attachment information that described control channel can insert self;
After described subscriber terminal equipment is linked into access device, access device can further include before the data network edge device sends user's logon information: access device sends to the data network edge device by described control channel with the line attachment information of described user terminal correspondence;
The data network edge device is preserved the line attachment information that receives, and traffic shaping parameter is set.
Access device of the present invention is the access device between terminal use and the network, and preferably, access device is the Access Network edge device, as DSLAM etc.The described path label of issuing between access device and data network edge device can be multi protocol label switching protocol (MPLS) label, MPLS tranmission techniques (T-MPLS) label, provider backbone tranmission techniques (PBT) label or Virtual Local Area Network number etc.The described independent control channel of setting up between access device and data network edge device can be for based on two layers of load mode, i.e. frame format load mode; Also can be for based on three layers of load mode, i.e. data message form load mode, described independently control channel is general, comprises existing Access Network control protocol (ANCP).
Fig. 4 is the flow chart of the present invention's preferred embodiment of issuing path label method between access device and data network edge device, and this flow process comprises the steps:
Step 401 is set up session between Access Network edge device and data network edge device, forms independently control channel.
Step 402, the Access Network edge device passes through independently, and control channel sends line attachment discovery and capability advertisement to the data network edge device, after the data network edge device receives the announcement of Access Network edge device transmission, can return acknowledge message to the Access Network edge device.
Step 403, subscriber terminal equipment are linked on the Access Network edge device.
Step 404, the Access Network edge device sends line attachment port activation notice message by control channel independently to the data network edge device, and promptly the Access Network edge device is informed the data network edge device with the parameter of the line attachment of the subscriber terminal equipment correspondence that inserts by control channel independently.Wherein, the parameter of line attachment comprises: the position of line attachment, bandwidth etc.
Step 405, the data network edge device is preserved the parameter of the line attachment that receives, and traffic shaping parameter is set, in order to avoid when a plurality of users will be linked into the Access Network edge device, produce the conflict of access bandwidth demand or quality of service requirement.
Step 406, the access network edge device is with user login information, promptly be included in PPP(Point-to-Point Protocol)/DHCP (DHCP) session initiation information in the subscriber terminal equipment access information, send to the data network edge device by control channel independently.
Step 407, the data network edge device is safeguarded that support system sends and is inserted and the service parameter request to the network service provider at self place.
Step 408, the support system of safeguarding of network service provider is handled the access and the service parameter request that receive, be subscriber terminal equipment specified services parameter, and the service parameter of appointment sent to the data network edge device, the service parameter here comprises: terminal use's data flow characteristic information.
Here, the network service provider safeguard that support system is to inserting and the service parameter request is handled mainly and comprised: the terminal use is carried out authentication and insertion authority, and charges by beginning after authorizing success in authentication.
Step 409, the data network edge device is by independently control channel is to Access Network edge device transmission line attachment port arrangement message, and notice Access Network edge device is provided with the line attachment parameter and carries out the access interface configuration.Simultaneously, be that the service parameter of subscriber terminal equipment appointment is carried in the administrative messag with the support system of safeguarding of network service provider, send to the Access Network edge device by control channel independently.
Step 410, subscriber terminal equipment sends Frame to the Access Network edge device, carried terminal user's data stream characteristic information in this Frame.
Step 411, Access Network edge device are carried at the data flow characteristic information in the message of request dispense path label, send to the data network edge device by control channel independently.
Described access device is carried at the data flow characteristic information in the message of asking the dispense path label: the data flow characteristic information that access device will obtain from the Frame that receives is carried in the message of request dispense path label; Or
Access device transmits the data network edge device by control channel data flow characteristic information is carried in the message of request dispense path label.
The path label release model of this embodiment is the data streaming service drive pattern, promptly the Access Network edge device behind the Frame that receives from subscriber terminal equipment, by control channel independently to data network edge device issuing path label request message.
Step 412, the data network edge device is this distribution of flows path label according to the data flow feature of carrying in the path label solicited message that receives, and the forwarding behavior of this data flow of the path label that distributes and appointment is bound.
Step 413, the data network edge device is announced the path label that distributes to the Access Network edge device by control channel independently.
Step 414, subscriber terminal equipment transmits subsequent data frame to the Access Network edge device.
The subsequent data frame that the path label encapsulation that step 415, Access Network edge device use to be distributed receives, and the Frame that will encapsulate path label sends the data network edge device to.
Step 416, data network edge device are transmitted the data message that receives based on path label.
When data network when subscriber terminal equipment transmits data message, carry out following steps: the data message that the data network edge device uses path label encapsulation of data network to transmit to subscriber terminal equipment, and the data message that will encapsulate path label sends the Access Network edge device to, and the Access Network edge device transmits the Frame of this data message to subscriber terminal equipment according to the path label of the data message that receives.
Data flow driven path label release model embodiment illustrated in fig. 4, can replace with the signaling drive pattern, be after the Access Network edge device receives line attachment port arrangement/administrative messag that the data network edge device sends by control channel independently, directly at the terminal use's of correspondence logon information by control channel independently to data network edge device issuing path label request message.
Fig. 5 is the flow chart of the present invention's second preferred embodiment of issuing path label method between access device and data network edge device.The step 501 of this flow process is in full accord to step 409 with step 401 embodiment illustrated in fig. 4 to step 509, and the flow process that begins from step 510 is:
Step 510, Access Network edge device are carried at the data flow characteristic information in the message of request dispense path label, send to the data network edge device by control channel independently.
Described access device is carried at the data flow characteristic information in the message of asking the dispense path label: access device transmits the data network edge device by control channel data flow characteristic information is carried in the message of request dispense path label.
Step 511, the data network edge device is this distribution of flows path label according to the data flow characteristic information that carries in the path label solicited message that receives, and the path label of distribution and the forwarding behavior of this data flow are bound.
Step 512, the data network edge device is announced the path label that distributes to the Access Network edge device by control channel independently.
Step 513, subscriber terminal equipment is to Access Network edge device transmit data frames.
The Frame that the path label encapsulation that step 514, Access Network edge device use to be distributed receives, and the Frame that will encapsulate path label sends the data network edge device to.
Step 515, data network edge device are transmitted the data message of the Frame that receives based on path label.
When data network when subscriber terminal equipment transmits data message, comprise the steps: the data message that the data network edge device uses path label encapsulation of data network to transmit to subscriber terminal equipment, and the data message that will encapsulate path label sends the Access Network edge device to, and the Access Network edge device transmits the Frame of this data message to subscriber terminal equipment according to the path label of the data message that receives.
The described data network edge device of step 509 sends line attachment port arrangement message by control channel independently to the Access Network edge device among this embodiment, notice Access Network edge device is provided with the line attachment parameter and carries out the access interface configuration, also can be before Access Network edge device transmit data frames at step 513 subscriber terminal equipment, carry out the optional position after the step 508.
The method of path label shown in Figure 5 is after the data network edge device receives the path label request message of Access Network edge device transmission, is carried out the distribution of path label by the data network edge device; The another kind of path label dissemination method that can adopt is: the data network edge device is after receiving the service parameter of safeguarding the appointment that support system sends of network service provider, directly according to the terminal use's of correspondence logon information dispense path label, and the path label that distributes to the issue of Access Network edge device by control channel independently.
Fig. 6 is the flow chart of the present invention's the 3rd preferred embodiment of issuing path label method between access device and data network edge device.The step 601 of this flow process is in full accord with step 401 to 408 shown in Figure 4 to step 608, and the flow process that begins from step 609 is:
Step 609, the data network edge device is the distribution of flows path label according to network for terminal use's data designated stream characteristic information, and the path label of distribution and the forwarding behavior of described data flow are bound.
Step 610, the data network edge device is announced the path label that distributes to the Access Network edge device by control channel independently, and to Access Network edge device transmission line attachment port arrangement message, notice Access Network edge device is provided with the line attachment parameter and carries out the access interface configuration, and be that the service parameter of subscriber terminal equipment appointment is carried in the administrative messag with the support system of safeguarding of network service provider, send to the Access Network edge device by control channel independently.
Step 611, subscriber terminal equipment is to Access Network edge device transmit data frames.
The Frame that the path label encapsulation that step 612, Access Network edge device use to be distributed receives, and the Frame that will encapsulate path label sends the data network edge device to.
Step 613, data network edge device are transmitted the data message of the Frame that receives based on path label.
When data network when subscriber terminal equipment transmits data message, comprise the steps: the data message that the data network edge device uses path label encapsulation of data network to transmit to subscriber terminal equipment, and the data message that will encapsulate path label sends the Access Network edge device to, and the Access Network edge device transmits the Frame of this data message to subscriber terminal equipment according to the path label of the data message that receives.
Fig. 4, Fig. 5 and path label shown in Figure 6 are all distributed by the data network edge device, the dissemination method of the another kind of path label that can adopt is: the Access Network edge device is the distribution of flows path label according to terminal use's data flow characteristic information directly, and by control channel independently to data network edge device issuing path label specify message, with the path label notification data network edge equipment that distributes.
Fig. 7 is the flow chart of the present invention's the 4th preferred embodiment of issuing path label method between access device and data network edge device.The step 701 to 709 of this flow process is in full accord with step 501 to 509 shown in Figure 5, and the flow process that begins from step 710 is:
Step 710, the Access Network edge device is the distribution of flows path label according to the network that receives for terminal use's data designated stream characteristic information, and the path label that distributes is carried in the path label specify message, be distributed to the data network edge device by control channel independently.
Step 711 after the data network edge device receives the path label of distribution, is bound the forwarding behavior of the path label that receives and corresponding data stream, and is returned the affirmation message of RX path label to access network equipment.
The path label that the description acquiescence Access Network edge device of above step 711 distributes is different at the path label that uses with the data network edge device, but in the practical application, have a plurality of Access Network edge devices and insert the data network edge device, therefore the data network edge device in the path label that uses may be that the path label of described distribution of flows is identical with the Access Network edge device, so step 711 can also comprise following process:
A, data network edge device judge whether the path label that receives is identical at the path label that uses with self, if identical, execution in step B then; Otherwise, execution in step C;
B, data network edge device notify this path label of access device unavailable by control channel, and access device will be redistributed new path label for described data flow, and send to the data network edge device by described control channel, return steps A;
Or the data network edge device is unavailable by this path label of control channel notice access device, and the path label that can use for described distribution of flows, send to access device by described control channel, and bind the forwarding behavior of described data flow and from as the path label of described distribution of flows;
The path label that C, the binding of data network edge device receive and the forwarding behavior of described data flow.
Step 712, subscriber terminal equipment is to Access Network edge device transmit data frames.
The Frame that the path label encapsulation that step 713, Access Network edge device use to be distributed receives, and the Frame that will encapsulate path label sends the data network edge device to.
Step 714, data network edge device are transmitted the data message of the Frame that receives based on path label.
When data network when subscriber terminal equipment transmits data message, comprise the steps: the data message that the data network edge device uses path label encapsulation of data network to transmit to subscriber terminal equipment, and the data message that will encapsulate path label sends the Access Network edge device to, and the Access Network edge device transmits the Frame of this data message to subscriber terminal equipment according to the path label of the data message that receives.
The path label dissemination method of this embodiment also can adopt the path label allocation model of data flow driven, promptly increase following steps before step 710: subscriber terminal equipment is to Access Network edge device transmit data frames, the Access Network edge device just carries out the distribution and the issue of path label behind the Frame that receives the subscriber terminal equipment transmission.
Arrive path label dissemination method shown in Figure 7 based on above Fig. 4, if the terminal use needs the real time altering service parameter related with path label, as apply for more suitably bandwidth or better qos parameter, and then can carry out flow process shown in Figure 8, this flow process comprises the steps:
Step 801, subscriber terminal equipment directly send on-demand business request, i.e. business demand update instruction to the data network edge device.Carry the service parameter title of needs change and the service parameter value after the change in this instruction.
Step 802, the data network edge device is preserved access and the service parameter that user terminal sends, and traffic shaping parameter is set, in order to avoid conflict.
Step 803, data network edge device safeguard that support system sends and insert and the service parameter request to the network service provider at self place, carry in this service parameter request need the business parameters data that changes and change after service parameter value etc.
Step 804, the network service provider safeguard support system receive insert and service parameter after, determine whether the renewal of admissible parameter, if the service parameter of renewal is then returned in permission to the data network edge device; Otherwise flow process finishes.
Step 805, the data network edge device passes through independently, and control channel sends line attachment port arrangement/administrative messag and upgrades the path label parameter message to the Access Network edge device, notice access network edge device is provided with the line attachment parameter, carry out the access interface configuration, and upgrade the path label parameter.
Step 806, subscriber terminal equipment sends Frame to the Access Network edge device.
The Frame that step 807, Access Network edge device use the path label encapsulation after the undated parameter to receive, and the Frame that will encapsulate path label sends the data network edge device to.
Step 808, data network edge device are transmitted the data message of the Frame that receives based on path label.
When data network when subscriber terminal equipment transmits data message, the data message that the data network edge device uses the path label encapsulation of data network after the undated parameter to transmit to subscriber terminal equipment, and the data message that will encapsulate path label sends the Access Network edge device to, and the Access Network edge device transmits the Frame of this data message to subscriber terminal equipment according to the path label of the data message that receives.
Provided by the invention between access device and data network edge device the method for issuing path label, by the independently control channel of between access device and data network edge device, setting up, can also realize that but this query script can be periodically to carry out by the release way searching label process of access device or the initiation of data network edge device.Can make access device or data network edge device know the also path label of releasing idling by this periodic query script, avoid the waste of resource.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the method for an issuing path label between access device and data network edge device is characterized in that this method may further comprise the steps:
A, between access device and data network edge device, set up control channel;
B, the data network edge device receive network for terminal use's data designated stream characteristic information after, be terminal use's distribution of flows path label by data network edge device or Access Network edge device;
C, between access device and data network edge device, be issued as the path label of described distribution of flows by described control channel.
2. the method for claim 1 is characterized in that,
The described dispense path label of described step B is: the data network edge device is terminal use's distribution of flows path label, and binds the forwarding behavior of this data flow and be the path label of this distribution of flows according to the data flow characteristic information that receives;
The described issuing path label of step C is: the data network edge device is issued as the path label of described distribution of flows to access device by described control channel.
3. the method for claim 1 is characterized in that,
Before the described dispense path label of described step B, comprising: the data network edge device sends the data flow characteristic information that receives to access device by control channel;
Access device is carried at the data flow characteristic information in the message of request dispense path label, sends to the data network edge device by described control channel;
Described dispense path label is: the data flow characteristic information that carries in the message of data network edge device according to the request dispense path label that receives, be the distribution of flows path label, and bind the forwarding behavior of this data flow and be the path label of this distribution of flows;
The described issuing path label of step C is: the data network edge device is issued as the path label of described distribution of flows to access device by described control channel.
4. method as claimed in claim 3 is characterized in that, before the message of described transmission request dispense path label, further comprise: subscriber terminal equipment sends terminal use's Frame to access device, carries the data flow characteristic information in this Frame.
5. method as claimed in claim 4, it is characterized in that described access device is carried at the data flow characteristic information in the message of asking the dispense path label and is: the data flow characteristic information that access device will obtain from the Frame that receives is carried in the message of request dispense path label; Or
Access device transmits the data network edge device by control channel data flow characteristic information is carried in the message of request dispense path label.
6. the method for claim 1 is characterized in that, before the described dispense path label of step B, comprising: the data network edge device sends the data flow characteristic information that receives to access device by control channel;
Described dispense path label is: access device is terminal use's distribution of flows path label according to the data flow characteristic information that receives;
The described issuing path label of step C is: access device sends to the data network edge device by described control channel with the path label that distributes, the path label that the binding of data network edge device receives and the forwarding behavior of described data flow.
7. method as claimed in claim 6 is characterized in that, before the described access device dispense path label, further comprise: subscriber terminal equipment sends terminal use's Frame to access device, carries the data flow characteristic information in this Frame;
Described send Frame to access device before, comprising: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
8. method as claimed in claim 7, it is characterized in that, described access device is according to the data flow characteristic information that receives, and the dispense path label is: access device is terminal use's distribution of flows path label according to the data flow characteristic information that obtains from the Frame that receives; Or
Access device is terminal use's distribution of flows path label according to the data flow characteristic information that receives from control channel.
9. as each described method of claim 6 to 8, it is characterized in that described access device further comprises after by described control channel the path label that distributes being sent to the data network edge device:
C1, data network edge device judge that the path label whether path label that receives using with self is identical, if identical, execution in step C2 then; Otherwise, execution in step C3;
C2, data network edge device notify this path label of access device unavailable by control channel, and access device will be redistributed new path label for described data flow, and send to the data network edge device by described control channel, return step C1;
Or the data network edge device is unavailable by this path label of control channel notice access device, and the path label that can use for described distribution of flows, send to access device by described control channel, and bind the forwarding behavior of described data flow and from as the path label of described distribution of flows;
The path label that C3, the binding of data network edge device receive and the forwarding behavior of described data flow.
10. as each described method of claim 1 to 8, it is characterized in that, steps A is described set up control channel after, before the described data network edge device of step B receives the data flow characteristic information, comprising:
After A1, subscriber terminal equipment were linked into access device, access device sent user's logon information to the data network edge device;
A2, data network edge device send to network and insert and the service parameter request;
A3, the network based access that receives and service parameter request are carried out authentication and authorization to the terminal use, and after Certificate Authority passes through, be terminal use's specified services parameter, and with the service parameter return data network edge equipment of appointment, this service parameter comprises terminal use's data flow characteristic information.
11. method as claimed in claim 10, it is characterized in that, before steps A 1 described subscriber terminal equipment is linked into access device, further comprise: access device sends to the data network edge device by the line attachment information that described control channel can insert self;
After described subscriber terminal equipment is linked into access device, access device further comprises before the data network edge device sends user's logon information: access device sends to the data network edge device by described control channel with the line attachment information of described subscriber terminal equipment correspondence;
The data network edge device is preserved the line attachment information that receives, and traffic shaping parameter is set.
12. method as claimed in claim 2 is characterized in that, behind the described issuing path label of step C, further comprises: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
13. method as claimed in claim 4 is characterized in that, described send Frame to access device before, further comprise: the data network edge device is provided with the line attachment parameter by described control channel notice access device, and carries out the access interface configuration.
14., it is characterized in that described access device is the Access Network edge device as each described method in claim 1 to 8 or 12 to 13; Described data network edge device is an internet protocol IP edge device.
15. as each described method in claim 1 to 8 or 12 to 13, it is characterized in that, behind the described issuing path label of step C, further comprise:
A, subscriber terminal equipment send the request of upgrading the parameter related with path label to the data network edge device, carry the information of wanting updated parameters in this request;
The updated parameters information of wanting that b, data network edge device will receive sends to network, if network is permitted described parameter update, then the data network edge device upgrades the relevant parameter of path label association by control channel notice access device.
16. method as claimed in claim 15 is characterized in that, described access device is the Access Network edge device; The described parameter related with path label is: bandwidth or service quality QoS parameter.
17. as each described method in claim 1 to 8 or 12 to 13, it is characterized in that, behind the described step C, further comprise: but access device or data network edge device send the order of release way searching label by independent control channel;
But whether access device or the inquiry of data network edge device exist the release way label, and discharge the path label that inquires.
18. as each described method in claim 1 to 8 or 12 to 13, it is characterized in that described path label is: multi protocol label switching protocol MPLS label, MPLS tranmission techniques label, provider backbone tranmission techniques PBT label or virtual LAN VLAN number.
19., it is characterized in that described control channel adopts the load mode based on data frame format as each described method in claim 1 to 8 or 12 to 13, or adopt load mode based on data message.
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| CN101741695B (en) * | 2008-11-05 | 2012-07-04 | 华为技术有限公司 | Method, system and equipment for implementing multi-service flow in communication system |
| CN102461089B (en) * | 2009-05-15 | 2015-11-25 | 惠普开发有限公司 | For the method and apparatus using label to carry out strategy execution |
| CN104158749A (en) * | 2013-05-14 | 2014-11-19 | 华为技术有限公司 | Message forwarding method in software defined networking, network equipment and software defined networking |
| CN103442023B (en) * | 2013-06-08 | 2016-08-10 | 瑞斯康达科技发展股份有限公司 | The processing method and processing device of label collision, path switching method and system |
| CN106257876B (en) * | 2015-06-16 | 2020-09-15 | 中兴通讯股份有限公司 | Label processing method, routing information issuing method and device |
| CN109286569B (en) * | 2018-09-28 | 2021-08-06 | 新华三技术有限公司合肥分公司 | Route control method and access device |
| CN110086718A (en) * | 2019-05-13 | 2019-08-02 | 和记奥普泰通信技术有限公司 | A kind of VLL Fast implementation based on packetizing MPLS |
| CN112583861B (en) * | 2019-09-27 | 2023-08-22 | 阿里巴巴集团控股有限公司 | Service deployment method, resource allocation method, system, device and server |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5920566A (en) * | 1997-06-30 | 1999-07-06 | Sun Microsystems, Inc. | Routing in a multi-layer distributed network element |
| EP1045553A2 (en) * | 1999-03-16 | 2000-10-18 | Nortel Networks Limited | Virtual private networks and methods for their operation |
| CN1414749A (en) * | 2002-08-23 | 2003-04-30 | 华为技术有限公司 | Three layer virtual private network and its construction method |
-
2006
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5920566A (en) * | 1997-06-30 | 1999-07-06 | Sun Microsystems, Inc. | Routing in a multi-layer distributed network element |
| EP1045553A2 (en) * | 1999-03-16 | 2000-10-18 | Nortel Networks Limited | Virtual private networks and methods for their operation |
| CN1414749A (en) * | 2002-08-23 | 2003-04-30 | 华为技术有限公司 | Three layer virtual private network and its construction method |
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