A Session Negotiation Mechanism in IMS Supporting Relay-based Media Multipath Transport

doi:10.12068/j.issn.1005-3026.2015.11.007

Journal of Northeastern University Natural Science ›› 2015, Vol. 36 ›› Issue (11): 1548-1553.DOI: 10.12068/j.issn.1005-3026.2015.11.007

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A Session Negotiation Mechanism in IMS Supporting Relay-based Media Multipath Transport

ZHANG Wei， LEI Wei-min， LI Guang-ye， GUAN Yun-chong

School of Information Science & Engineering， Northeastern University， Shenyang 110819， China.

Received:2014-11-05 Revised:2014-11-05 Online:2015-11-15 Published:2015-11-10
Contact: ZHANG Wei
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Abstract

Abstract: Due to IMS(IP multimedia subsystem) does not support media relay-based multipath transmission mode at present， a session negotiation mechanism in IMS supporting media relay-based multipath transport was presented. Multipath transmission function was introduced to IMS system in a form of service. The multipath transport framework based on application-layer relay was combined with IMS system seamlessly. The network side of IMS was enabled to manage media multipath transmission process. The proposed mechanism not only maximize the reuse of existing IMS network infrastructure to protect the early capital investment and improve the scheme’s practicability， but also enable the network side of IMS to have the ability to provide users with differentiated media transmission quality.

Key words: multipath transport, IP multimedia subsystem(IMS), session negotiation, application-layer relay, relay-based transport

CLC Number:

TP393

ZHANG Wei， LEI Wei-min， LI Guang-ye， GUAN Yun-chong. A Session Negotiation Mechanism in IMS Supporting Relay-based Media Multipath Transport[J]. Journal of Northeastern University Natural Science, 2015, 36(11): 1548-1553.

References

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A Session Negotiation Mechanism in IMS Supporting Relay-based Media Multipath Transport

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