Inducing symmetry via multi topology routing

Details Inducing symmetry via multi topology routing Inducing symmetry via multi topology routing

2008-02-01

2011-10-11

Shah, Chirag (Department: 2477)

Multiplex communications

Data flow congestion prevention or control

Control of data admission to the network

C370S254000, C370S395300

Reexamination Certificate

active

08036118

ABSTRACT:
In one embodiment, a technique for selecting a topology, in a multi-topology routing network, based on a source-destination pair of a packet is provided. The packet may be routed on a preferred path of the selected topology. By selecting the same topology for the source-destination pair even if the source and destination addresses are swapped, upstream and downstream traffic may be routed in a symmetrical manner. For some embodiments, a topology may be selected using a hash value that is generated using an algorithm that is commutative with respect to the source and destination addresses.

REFERENCES:
patent: 6697329 (2004-02-01), McAllister et al.
patent: 2003/0108052 (2003-06-01), Inoue et al.
patent: 2003/0206638 (2003-11-01), Xu et al.
patent: 2006/0206706 (2006-09-01), Dietz
patent: 2008/0205376 (2008-08-01), Patmon et al.
patent: 2009/0052321 (2009-02-01), Kamath

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