Multiplex communications – Data flow congestion prevention or control – Flow control of data transmission through a network
Reexamination Certificate
2007-07-12
2010-11-23
Ngo, Ricky (Department: 2464)
Multiplex communications
Data flow congestion prevention or control
Flow control of data transmission through a network
C370S231000, C370S236000, C709S224000, C709S235000
Reexamination Certificate
active
07839790
ABSTRACT:
Application messages are segregated into message paths, and the delays of the transmitted packets associated with each message path are independently analyzed to distinguish propagation, bandwidth, congestion, and protocol delays. To further distinguish the congestion delays, all of the paths of the application messages are assessed to identify delays induced by the application, including self-congestion delay, corresponding to pre-congestion delays caused by attempting to send data from a source device faster than the bandwidth of the channel allows, and cross-congestion delay, corresponding to post-congestion delays caused by varying delays beyond a bottleneck link in the channel. The remaining congestion delay is identified as network congestion delay, corresponding to delays caused by network devices other than the source device. After identifying each of the components of delay, the effect of each component on the overall delay is determined to identify where improvements can best be made.
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Cohen Alain J.
Elsner Russell Mark
Malloy Patrick J.
Niemczyk Steve
Gidado Rasheed
McDermott, Esq. Robert M.
Ngo Ricky
OPNET Technologies Inc.
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