Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2007-12-13
2010-11-30
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
Reexamination Certificate
active
07844851
ABSTRACT:
The SIP server deployment can be comprised of an engine tier that provides high throughput processing and a state tier that maintains SIP state data in a set of partitions and replicas. Two sites of SIP server deployments can be configured, each being remotely located with respect to the other. A primary site can process various SIP transactions and communications and upon determining a transaction boundary, replicate the state data associated with the transaction being processed, to a secondary site. Engines in the primary site can generate hints for the state replicas which can be in turn responsible for replicating the SIP session state. The replicas can choose to follow or disregard the generated hints. Upon failure of the primary site, calls can be routed from the failed primary site to the secondary site for processing. Similarly, upon recovery, the calls can be re-routed back to the primary site.
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BEA Systems, Inc., BEA WebLogic SIP Server: Configuring and Managing WebLogic SIP Server, Dec. 2, 2005, BEA Systems, Inc., Version 2.1, pp. 4-13.
Cosmadopoulos Ioannis
Kramer Reto
Langen Anno R.
Mehra Vinod
Beausoliel Robert
Fliesler & Meyer LLP
Oracle International Corporation
Riad Amine
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