MobiCom poster: optimized fast-handoff schemes for application layer mobility management

Authors:
Ashutosh Dutta;Sunil Madhanie;Wai Chen;Onur Altintas;Henning Schulzrinne
Affiliations:
Telcordia Technologies Inc., Morristown, NJ;Telcordia Technologies Inc., Morristown, NJ;Telcordia Technologies Inc., Morristown, NJ;Toyota InfoTechnology Center, Palo Alto, CA;Columbia University, New York, NY
Venue:
ACM SIGMOBILE Mobile Computing and Communications Review
Year:
2003

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Abstract

In order to ensure proper quality of service for real-time communication in a mobile wireless Internet environment, it is essential to minimize the transient packet loss when the mobile host (MH) is moving between different cells (subnets) within a domain. This paper introduces application layer techniques to achieve fast handoff for real-time (RTP/UDP) multimedia traffic in a SIP-based signaling environment. These techniques are based on standard SIP components such as user agents and proxies and provide a network-independent solution suitable for application service providers.