Arrangement and method for reducing required memory usage...

Details Arrangement and method for reducing required memory usage... Arrangement and method for reducing required memory usage...

2006-11-13

2011-11-01

Chan, Wing (Department: 2441)

Electrical computers and digital processing systems: multicomput

Computer conferencing

C370S352000

Reexamination Certificate

active

08051129

ABSTRACT:
An arrangement and method for reducing memory usage for communications between servers in a communication network utilizing the Session Initiation Protocol (SIP) by controlling establishment of SIP dialogues. A single SIP dialogue for a certain event package is utilized for multiple subscriptions between one instance of a requesting server such as a Resource List Server (RLS) and one instance of an Application Server such as, for example, a Presence Server. The SIP dialogue is then used to send all SIP NOTIFY messages between these two entities to reduce memory usage at both ends by removing the overhead created by SIP.

REFERENCES:
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patent: 2005/0232408 (2005-10-01), Hodson et al.
patent: WO 2006108168 (2006-10-01), None
A. Niemi, Ed; “Session Initiation Protocol (SIP) Extension for Event State Publication,” Network Working Group, Request for Comments: 3903, Category: Standards Track, Nokia, Oct. 2004.
J. Rosenberg, “A Session Initiation Protocol (SIP) Event Package for Registrations,” Network Working Group, Request for Comments: 3680, Category: Standard Track, Dynamicsoft, Mar. 2004.
A. B. Roach, “Session Initiation Protocol (SIP)-Specific Event Notification,” Network Working Group, Request for Comments: 3265, Updated: 2543, Category: Standards Track, Dynamicsoft, Jun. 2002.

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