Aggregated topological routing

Details Aggregated topological routing Aggregated topological routing

2008-04-22

2008-04-22

Vu, Huy D. (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000

Reexamination Certificate

active

10208176

ABSTRACT:
Routing techniques are described that separate network topology information and management from network protocol addressing information, e.g., network prefixes, that network routers typically use during the packet forwarding process. The techniques provide separate topological identifiers to identify individual topological elements of the network, referred to as aggregates. A router within a network exchanges topological information with other routers that specifies routes for reaching destinations within a set of aggregates that represent topological elements of a network. In accordance with the topological information, the router generates forwarding information that associates the destinations with respective next hops within the network, and forwarding packets in accordance with the forwarding information.

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