Application load distribution system in packet data networks
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United States of America Patent
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N/A
Issued Date -
Oct 15, 2009
app pub date -
Apr 14, 2008
filing date -
Apr 14, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention routes an application request to at least one of a plurality of sites in a packet data network. Session Initiation Protocol (SIP) messages that establish initial dialogs and SIP messages that are stand-alone requests are sent from a call session control function system to a SIP application load distribution system. The SIP application load distribution system routes a SIP message to at least one destination site, based at least in part on user-defined local state data and a user-defined application load distribution policy. Local state data is sent from a plurality of sites to an application management and health checking system. Local state data may be sent autonomously from the plurality of sites. Local state data may also be sent from the plurality of sites in response to a request issued by the application management and health checking system.
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