Data communication system enabling data communication...

Details Data communication system enabling data communication... Data communication system enabling data communication...

2011-05-10

2011-05-10

Sheikh, Ayaz R (Department: 2476)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C455S405000

Reexamination Certificate

active

07940780

ABSTRACT:
A method and a system for speeding up session establishment are provided, wherein the time required to establish a session is reduced, even in the case where a session management server requires a large amount of time to process respective functions required for establishing the session (such as making a decision regarding whether to permit or deny provision of a service, or generating a session key).The session management server is provided with means for conducting, in parallel, processing to issue processing requests for respective functions required for establishing a session (such as making a decision regarding whether to permit or deny provision of a service, or generating a session key) and processing to forward a communication message transmitted by a communications device or another session management server attempting to establish a session.

REFERENCES:
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patent: 2005/0220039 (2005-10-01), Hoshino et al.
patent: 2008/0098225 (2008-04-01), Baysinger
patent: 2008/0161114 (2008-07-01), Wang et al.
patent: 2005-284753 (2005-10-01), None
Rosenberg et al “Session Initiation Protocol”, RFC 3261, p. 1-270, Jun. 2002, The Internet Society.
“Technical Specification,” 3GPP TS23/228, V8.0.0, 3rd Generation Partnership Project; Technical Specification Group Service and System Aspects; IP Multimedia Subsystem (IMS) Stage 2 pp. 2-224 vol. 8 Mar. 2007.

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