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A seamless handover scheme for RSVP over 3G networks

Kwong, K.H. and Hiew, Pang Leang (2006) A seamless handover scheme for RSVP over 3G networks. In: International Symposium on Wireless Pervasive Computing, 2006-01-16 - 2006-01-18.

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This paper proposes a seamless handover scheme for RSVP over 3G networks. An Address Proxy Agent (APA) is proposed to be implemented in the radio network controllers (RNC) to provide a residual address for the mobile host (MR) with RSVP reservation during the handover process. The principle of this approach is to provide a residual address for MH that is valid in radio network sub-system (RNS) and traceable back to MH latest location. When MH send a packet upstream the APA will replace the packet source address with the residual address before releasing the packet to the rest of its RSVP path. And when RNC receives a return RSVP packet destined to this residual address the APA will replace this residual address back to the source address and forward this packet to the current location. This approach confines the impacts of a handover to the local RNS yet maintain PSVP path as MH moves from one cell to another.