Title :
A Uniform Negotiation and Delivery Mechanism for SIP-Based Conferencing System
Author :
Zhang, Wei ; Lei, Weimin ; Tian, Kunyang ; Zhang, Xiuwu
Author_Institution :
Dept. of Comput. Sci. & Technol., Univ. of Sci. & Technol. of China, Hefei
Abstract :
In this paper we present a uniform negotiation and delivery mechanism for SIP-based conferencing system over IP network. With this mechanism rich innovative collaboration services can be developed conveniently to provide users with novel communication experience in IETF centralized conferencing (XCON) system. The mechanism adopts the extended SDP and offer/answer model as media description and negotiation mechanism. And it uses RTP/RTCP and extended MSRP as the media transport control protocols respectively for audio/video and various TCP-based data collaboration applications. In this paper, the requirement of the mechanism is revealed from a high-level design perspective. Then it is analyzed in detail by highlighting several prominent design choices.
Keywords :
IP networks; teleconferencing; transport protocols; IETF centralized conferencing system; IP network; MSRP; RTP/RTCP; SDP; SIP-based conferencing system; TCP-based data collaboration applications; XCON system; delivery mechanism; media transport control protocols; rich innovative collaboration services; uniform negotiation; Collaboration; Collaborative work; Communication system control; Communication system software; Computer science; IP networks; Next generation networking; Transport protocols; Video sharing; Videoconference; MSRP; SDP; SIP; XCON; conferencing system; data collaboration;
Conference_Titel :
Communication Software and Networks, 2009. ICCSN '09. International Conference on
Conference_Location :
Macau
Print_ISBN :
978-0-7695-3522-7
DOI :
10.1109/ICCSN.2009.33
