The Design and Implementation of an Enhanced SIP ALG to support MSRP sessions
The Message Session Relay Protocol (MSRP) is defined by IETF as a session-oriented for instant message, file transfer,remote destop sharing, whiteboard for telephone conferences and so on. It’s also adopted by IP multimedia subsystem in 3G networks and becoming as important as RTP. So how to make MSRP work well through NATs have been addressed from various aspects. In this paper we propose the design and implementation of a enchanced SIP ALG that can help MSRP to traverse through NATs based on Connection Tracking and Expectations of NATs. Finally we give the test result of the system on an embeded platform develped as a product router.
MSRP SIP ALG NAT Traversal
Haibo Yang Hu Lin Jin Li Weimin Lei
College of Computing & Communication Engineering Graduate University of the CAS Beijing, China Shenyang Institute of Computing Technology,Chinese Academy of Science Shenyang, China
国际会议
2009 Ninth International Conference on Hybrid Intelligent Systems(第九届混合智能系统国际会议 HIS 2009)
沈阳
英文
1-4
2009-08-12（万方平台首次上网日期，不代表论文的发表时间）