Hop cost as secondary metric for equal cost multi-paths

Details Hop cost as secondary metric for equal cost multi-paths Hop cost as secondary metric for equal cost multi-paths

2011-08-09

2011-08-09

Ngo, Ricky (Department: 2464)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C709S241000

Reexamination Certificate

active

07995481

ABSTRACT:
Systems, methods, and other embodiments associated with computing path costs based on link cost as a primary metric and hop cost as a secondary metric are presented. The secondary metric facilitates distinguishing between what would be equal cost multi-paths if only link cost was employed. One example method includes computing a modified link cost for a plurality of paths between switches. The example method may also include determining a lowest modified link cost associated with a path between the switches. The example method may also include providing a signal identifying the lowest modified link cost.

REFERENCES:
patent: 5598532 (1997-01-01), Liron
patent: 6697333 (2004-02-01), Bawa et al.
patent: 2004/0047294 (2004-03-01), Ain et al.
patent: 2007/0286097 (2007-12-01), Davies

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