Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2003-03-24
2009-06-30
Cho, Hong (Department: 2419)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
C370S418000, C370S437000
Reexamination Certificate
active
07554914
ABSTRACT:
A method and system for determining an output port upon which to transmit a packet in a router having a plurality of output ports adapted to be coupled with an adjacent router. In one embodiment, a list is created of output ports that are coupled with the adjacent router, and the list is modified based on network traffic. A port is selected from the list of ports, and the packet is transmitted over the selected port. In one example, the list is modified continuously as a background process based on network traffic. The list may be modified by determining a port which is under-utilized, determining a port which is over-utilized, and substituting in the list one or more instances of the port which is over-utilized with one or more instances of the port which is under-utilized. In this manner, a router can adaptively and evenly distribute the packet transmission traffic over the output ports.
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Li Anthony J.
Lynch William L.
Cho Hong
Cisco Technology Inc.
Roberts Brian
Schwegman Lundberg & Woessner, P.A.
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