Proposal of “ Mobility Management for VoIP: Mobile IP, SIP or H.323 ？ ” 資工三 B90902113 李森傑資工三 B90902043 吳純誼資管碩二 R91725042 陳大鈞.

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Presentation transcript:

Proposal of “ Mobility Management for VoIP: Mobile IP, SIP or H.323 ？ ” 資工三 B 李森傑資工三 B 吳純誼資管碩二 R 陳大鈞

Introduction(1/2) Mobility support for Internet access has evolved and client may required VoIP services with mobile device. The most concern is the disruption time to process the handoff of an VoIP session.

Introduction(2/2) We can use the off-the-shelf technology in network layer with mobile ip. Or we can add some new approaches in SIP or H.323 in application layer. The main goal is to compare these solutions and find which one is the simplest or the best.

Approaches(1/3) Mobility can be realized in the network layer by using mobile IP. Draft for seamless handoff has been proposed such as fast handoff.

Approaches(2/3) Mobility can also be realized in the application layer by using SIP. MN can informs the CN via a SIP Re- INVITE message with any address change. Shadow registration[1] can improve the performance during handoff.

Approaches(3/3) We can also use H.323 to achieve mobility in application layer. MVOIP[4] can improve the performance during handoff.

Reference(1/2) [1]TED TAEKYOUNG KWON AND MARIO GERLA, SAJAL DAS, SUBIR DAS, "MOBILITY MANAGEMENT FOR VOIP SERVICE:MOBILE IP VS. SIP," IEEE Wireless Communications, October [2]Archan Misra, Subir Das, Anthony J McAuley, "Hierarchical Mobility Management for VoIP Traffic," IEEE Milicom, [3]H. Schulzrinne, E. Wedlund, "Application Layer Mobility Support using SIP," ACM Mobile Computing and Communications Review, July 2000.

Reference(2/2) [4]G. Ayorkor Mills-Tettey, David Kotz, “ Mobile Voice over IP (MVOIP): An Application-level Protocol for Call Hand-off in Real Time, ” Performance, Computing, and Communications Conference, st IEEE.