Network load balancing and overload control
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United States of America Patent
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Dec 22, 2015
Issued Date -
N/A
app pub date -
Mar 31, 2006
filing date -
Mar 31, 2006
priority date (Note) -
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Abstract
Load balancing and overload control techniques are disclosed for use in a SIP-based network or other type of network comprising a plurality of servers. In a load balancing technique, a first server receives feedback information from at least first and second downstream servers associated with respective first and second paths between the first server and a target server, the feedback information comprising congestion measures for the respective downstream servers. The first server dynamically adjusts a message routing process based on the received feedback information to compensate for imbalance among the congestion measures of the downstream servers. In an overload control technique, the first server utilizes feedback information received from at least one downstream server to generate a blocking message for delivery to a user agent.
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