DE69420526T2 - Multimediaverteilung über Grossraumnetze - Google Patents

Multimediaverteilung über Grossraumnetze

Info

Publication number
DE69420526T2
DE69420526T2 DE69420526T DE69420526T DE69420526T2 DE 69420526 T2 DE69420526 T2 DE 69420526T2 DE 69420526 T DE69420526 T DE 69420526T DE 69420526 T DE69420526 T DE 69420526T DE 69420526 T2 DE69420526 T2 DE 69420526T2
Authority
DE
Germany
Prior art keywords
video
local
wide area
area networks
distribution over
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69420526T
Other languages
English (en)
Other versions
DE69420526D1 (de
Inventor
David G Greenwood
David B Lindquist
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69420526D1 publication Critical patent/DE69420526D1/de
Publication of DE69420526T2 publication Critical patent/DE69420526T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23113—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving housekeeping operations for stored content, e.g. prioritizing content for deletion because of storage space restrictions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/21—Server components or server architectures
    • H04N21/222—Secondary servers, e.g. proxy server, cable television Head-end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
    • H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2408—Monitoring of the upstream path of the transmission network, e.g. client requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/816—Monomedia components thereof involving special video data, e.g 3D video
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends
DE69420526T 1993-12-09 1994-10-26 Multimediaverteilung über Grossraumnetze Expired - Lifetime DE69420526T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16417493A 1993-12-09 1993-12-09

Publications (2)

Publication Number Publication Date
DE69420526D1 DE69420526D1 (de) 1999-10-14
DE69420526T2 true DE69420526T2 (de) 2000-04-27

Family

ID=22593309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420526T Expired - Lifetime DE69420526T2 (de) 1993-12-09 1994-10-26 Multimediaverteilung über Grossraumnetze

Country Status (10)

Country Link
US (1) US5568181A (de)
EP (1) EP0658055B1 (de)
JP (1) JP2579445B2 (de)
KR (1) KR0149211B1 (de)
CN (1) CN1130873C (de)
AT (1) ATE184442T1 (de)
BR (1) BR9404912A (de)
CA (1) CA2130395C (de)
DE (1) DE69420526T2 (de)
ES (1) ES2135554T3 (de)

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US5568181A (en) 1996-10-22
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KR950022384A (ko) 1995-07-28
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EP0658055A1 (de) 1995-06-14
ES2135554T3 (es) 1999-11-01
CA2130395A1 (en) 1995-06-10
BR9404912A (pt) 1995-08-08
DE69420526D1 (de) 1999-10-14
ATE184442T1 (de) 1999-09-15
CN1113623A (zh) 1995-12-20
CN1130873C (zh) 2003-12-10
KR0149211B1 (ko) 1998-10-15
JP2579445B2 (ja) 1997-02-05

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