System and method of monitoring packets in flight for...

Multiplex communications – Data flow congestion prevention or control – Control of data admission to the network

Reexamination Certificate

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C370S229000, C370S235000

Reexamination Certificate

active

07961613

ABSTRACT:
Systems and methods of optimizing packet flow in a network are disclosed. An internetwork includes plural networks, each network having plural non-router nodes and at least one router node. The non-router node of a first network can be configured to perform congestion control. The non-router node sends a request packet to a node in a second network. The value of a packet-in-flight counter associated with the network is adjusted when the request packet is sent to the second network node and when a response packet is received from the second network node. The non-router node determines whether another request packet can be sent to another network in the internetwork based on a value of the packet-in-flight counter.

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Floyd et al, “Random Early Detection (RED) gateways for Congestion Avoidance”.
Fall et al “Simulation-based Comparisons of Tahoe, Reno and SACK TCP”.

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