SIP server architecture for improving latency in message processing
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United States of America Patent
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N/A
Issued Date -
Apr 10, 2008
app pub date -
Oct 10, 2006
filing date -
Oct 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The SIP server can be comprised of an engine tier and a state tier distributed on a cluster network environment. The engine tier can send and receive messages and execute various processes. The state tier can maintain in-memory state data associated with various SIP sessions. For example, the state tier can store various long lived data objects and the engine tier can contain short lived data objects. The state data can be maintained in partitions comprised of state replicas. A load balancer can receive incoming message traffic and distribute it to the engine tier for processing. When processing a message, the engine can pull state data objects from the state tier, use the objects and push them back to the state tier after processing is complete. If one state replica is unavailable, such as during garbage collection, the engine can retrieve the objects from another replica in the partition.
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