Multiplex communications – Data flow congestion prevention or control
Reexamination Certificate
2005-10-04
2005-10-04
Chin, Wellington (Department: 2664)
Multiplex communications
Data flow congestion prevention or control
C370S248000
Reexamination Certificate
active
06952398
ABSTRACT:
A system and method for routing the maximum number of trunks on a network with resource constraints is described. The invention provides a unique modification of a multi-commodity mathematical model that maximizes flow in a capacity constrained network. The problem of routing the maximum number of trunks through a communications network can be described as a multi-commodity problem by mapping each trunk as a commodity. However, in the multi-commodity model, the resources or capacity used by a unit of any commodity is the same. This condition is too restrictive for contemporary multi-rate broadband networks because a high bandwidth traffic trunk consumes more bandwidth than a trunk with low bandwidth requirement. The invention provides a method to modify the multi-commodity model so that the capacity utilized by different trunks does not have to be identical.
REFERENCES:
patent: 5452294 (1995-09-01), Natarajan
patent: 6349090 (2002-02-01), Lewis et al.
patent: 6442615 (2002-08-01), Nordenstam et al.
patent: 6724722 (2004-04-01), Wang et al.
Chin Wellington
DeLeon Ruben C.
Pham Brenda
Winstead Sechrest & Minick P.C.
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