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http://dx.doi.org/10.9708/jksci.2012.17.1.133

A New Resource Lists Architecture using Dynamic Notification Control Method  

Jang, Choon-Seo (Dept. of Computer Engineering, Kumoh. Inst. of Tech)
Lee, Ky-Soo (Dept. of Computer Engineering, Kumoh. Inst. of Tech)
Publication Information
Journal of the Korea Society of Computer and Information / v.17, no.1, 2012 , pp. 133-140 More about this Journal
Abstract
In SIP(Session Initiation Protocol) service, users should send SIP SUBSCRIBE messages to the SIP server to get subscription informations of the other parties, and total amount of SIP messages becomes large in network as refresh messages and notification messages are generated to each SIP subscription. In this paper, a new resource lists architecture using dynamic notification control method has been proposed to solve these problems. In this architecture, service users can control event notification generation rate dynamically from the server according to the operation circumstances, and users can control generation of notification messages during refresh for maintaining SIP session. Furthermore users can also control generation of notification messages according to session connection conditions. A new resource lists MIME type has been designed, and several parameters for dynamic notification message control have been added to the extended SIP message headers. In this system new resource lists MIME type can be used for processing of the event package. Therefore total amount of SIP messages in network can be largely reduced, and load of the resource lists server for processing messages can be reduced also. The performance of the proposed method has been evaluated by experiments.
Keywords
Session Initiation Protocol; Event Package; Resource Lists;
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  • Reference
1 C. Holmberg, E. Burger, H. Kaplan., "Session Initiation Protocol (SIP) INFO Method and Package Framework" RFC 6086, January 2011.
2 J. Rosenberg, "A Presence Event Package for the Session Initiation Protocol (SIP)," RFC 3856, August 2004.
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