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Reliable RSVP path reservation for multimedia communications under an IP micromobility scenario

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2 Author(s)
Bongkyo Moon ; King''s Coll., London, UK ; Aghvami, H.

We focus on how quality of service (QoS) guarantees can be provided for RSVP flows during handoff events in an IP micromobility network. For this purpose, RSVP message delays and signaling overheads should be minimized, and handoff service disruption should also be minimized. By rerouting the RSVP branch path at a crossover router at every handoff event, and establishing the new RSVP path between the CR and new BS in advance while the existing reservation path is maintained, ongoing RSVP flows can be kept with the guaranteed QoS. We propose the seamless switching of an RSVP branch path for soft handoff, and also show that this scheme could provide QoS guarantee with simulation and examples.

Published in:

Wireless Communications, IEEE  (Volume:9 ,  Issue: 5 )