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SIP6 supporting the Differentiated Call Processing Scheme  

김진철 (건국대학교 컴퓨터공학부)
최병욱 (건국대학교 컴퓨터공학부)
장천현 (건국대학교 컴퓨터공학부)
김기천 (건국대학교 컴퓨터공학부)
한선영 (건국대학교 컴퓨터공학부)
Publication Information
Journal of KIISE:Information Networking / v.30, no.5, 2003 , pp. 621-630 More about this Journal
Abstract
In this paper, we implemented SIP protocol that supports IPv6 and differentiated call processing scheme for NGN(Next Regeneration Network). In NGN, SIP processes call signaling among various application services. A softswitch and SIP server must give priority to sensitive services such as Fax, network management and home networking that require a fast call setup time. Also, the support of IPv6 is needed under consideration of All-IP. We proposed differentiated call processing scheme. The differentiated call processing scheme supports differentiated call processing as priority of service class on call processing in SW server We defined three service classes and use the Flow Label field of the IPv6 header for setting service class. Through the performance analysis, we proved that it improves throughput for call message with the high priority. The result of performance analysis demonstrates that differentiated call processing scheme gives better performance for the service requiring a fast session establishment in NGN.
Keywords
VoIP; SIP; IPv6; QoS;
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