Patent ID: 6275494
Filing Date: 2001-08-14
Classification: H04L,H04Q

Abstract:
A packet switching system comprising:switching means accommodating a plurality of input Asynchronous Transfer Mode (ATM) lines and a plurality of output ATM lines;packet destination determining means for determining a destination of a packet on a routing protocol;cell assembling means for assembling ATM cells from the packet;packet reassembling means for reassembling said ATM cells to a reassembled packet;packet assigning means for assigning the packet to one of said plurality of output ATM lines according to a content of a header of the packet;Virtual Path Connection (VPC) setting means for setting up a VPC among a plurality of packet switching systems;Virtual Channel Connection (VCC) allocating means for allocating an idle VCC existing in said VPC to a plurality of packets having an identical part in said content of said header; andmapping means for mapping correspondence between a packet destination address and said VPC,wherein after a first packet of said plurality of packets having the identical part in said content of said header has been transferred by said packet destination determining means, a second packet and subsequent packets of said plurality of packets having the identical part in said content of said header are switched solely by said switching means without intervention of said packet destination determining means.