Patent ID: 6069889
Filing Date: 2000-05-30
Classification: H04L,H04Q,Y02D

Abstract:
A method of building a switched connection for receiving and transmitting data units using labels within a network of nodes, wherein each node which is to initiate the transmission of data units using said switched connection in said network comprises at least one incoming and at least one outgoing port, a router device with a routing database, a linking database mapping a routing database entry to a label, and wherein an identifier unique within said network is used for the purpose of mapping a plurality of network addresses associated with said identifier in said routing database to said switched connection, comprising the steps wherein:a) each node transmitting a set-up message for building a switched connection includes an identifier in said message,b) each node receiving said message performs a lookup in the routing database to identify entries that are associated with said identifier,c) each node receiving said message associates each routing database entry identified in (b) with said switched connection via the linking database.