ER information acceleration in ABR traffic
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United States of America Patent
Stats
-
Jul 1, 2003
Grant Date -
N/A
app pub date -
May 27, 1999
filing date -
May 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and network element for feedback control for adjusting a rate of message transmission over a connection in a network is provided. The connection comprises a source and destination linked by forward and backward message paths. The source has instructions for setting a message transmission rate for the connection provided by feedback messages received, each containing an explicit rate of transmission. The method comprises steps: receiving feedback messages from the backward path; extracting an explicit rate being carried by each feedback message received; storing each feedback message received in a queue; retrieving a stored feedback message and, substantially when it is transmitted, marking it with an explicit rate determined from an extracted explicit rate pertaining to another message received more recently and a rate determined from a state of congestion of the network element; and externally transmitting the feedback message over the backward message path once so marked.
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