06765921 is referenced by 118 patents and cites 2 patents.

A communications multi-service network arrangement for transporting information packets from a user station to a destination comprises a label switched core network constituted by a plurality of abstract nodes interconnected by tunnels. Each abstract node comprises one or more real nodes. An access network provides user access to the core network. A route across the core network comprises a plurality of label switched path sections specified in terms of a sequence of abstract nodes, the route being identified by a label stack identifying a quality of service capable connection from the end station via the access network to the core network and across the core network to a destination.

Title
Communications network
Application Number
9/605236
Publication Number
6765921 (B1)
Application Date
June 28, 2000
Publication Date
July 20, 2004
Inventor
Mark Gibson
Bishop's Stortford
US
Roy Mauger
Radlett
US
David Stacey
Stansted Abbotts
US
Agent
Barnes & Thornburg
US
Assignee
Nortel Networks
US
IPC
H04L 12/28
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