A network switch, configured for performing layer 2 and layer 3 switching in an Ethernet (IEEE 802.3) network without blocking of incoming data packets, includes a network switch port having a filter (i.e., a packet classifier module) configured for evaluating an incoming data packet on an instantaneous...http://www.google.de/patents/US6745246?utm_source=gb-gplus-sharePatent US6745246 - Apparatus and method in a network switch for modifying a bandwidth request between a requestor and a router
