Method and apparatus for load-sensitive routing of...

Details Method and apparatus for load-sensitive routing of... Method and apparatus for load-sensitive routing of...

2006-09-29

2010-12-07

Harper, Kevin C (Department: 2462)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S465000, C370S235000, C370S254000, C709S239000

Reissue Patent

active

RE041986

ABSTRACT:
The present invention builds on the implications of variability in flow durations on the stability of load-sensitive routing. In accordance with an embodiment of the present invention, long-lived flows of packets are routed dynamically while short-lived flows are forwarded on preprovisioned static paths. This hybrid approach can exploit flow-classification hardware at the edge of backbone networks and known techniques for flow-pinning, as well as basic insights from earlier work on QoS routing. This approach of separating short-lived and long-lived flows can dramatically improve the stability of dynamic routing.

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