Proactive route optimization in SIP mobility support protocol

Authors:
Sangheon Pack;Pilkyoo Jeong;Younghyun Kim
Affiliations:
School of Electrical and Engineering, Korea University, Seoul, Korea;School of Electrical and Engineering, Korea University, Seoul, Korea;School of Electrical and Engineering, Korea University, Seoul, Korea
Venue:
CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
Year:
2010

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Abstract

In this paper, we introduce proactive route optimization (PRO) in session initiation protocol (SIP) mobility to reduce the session setup latency. In SIP-PRO, the mobility binding information is prefetched during the location registration step, and it is used for session establishment if it is valid. Proactive route optimization achieves the reduced session setup latency by eliminating traverse over multiple SIP servers.