End-to-End Framework for QoS Guarantee in Heterogeneous Wired-cum-Wireless Networks

Authors:
Ming Li;Hua Zhu;Sathish Sathyamurthy;Imrich Chlamtac;B. Prabhakaran
Affiliations:
University of Texas at Dallas;University of Texas at Dallas;University of Texas at Dallas;University of Texas at Dallas;University of Texas at Dallas
Venue:
QSHINE '04 Proceedings of the First International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks
Year:
2004

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Abstract

With information access becoming more and more ubiquitous, there is a need for providing QoS support for communication that spans wired and wireless networks. For the wired side, RSVP/SBM has been widely accepted as a flow reservation scheme in IEEE 802 style LANs. In this paper, we investigate the integration of RSVP and a RSVP-like flow reservation scheme in wireless LANs, as an end-to-end solution for QoS guarantee in wired-cum-wireless networks. We propose WRESV, an RSVP-like flow reservation and admission control scheme for IEEE 802.11 wireless LAN. Using WRESV, wired/wireless integration can be easily implemented by cross-layer interaction at the Access Point. Main components of the integration are RSVP-WRESV parameter mapping, and the initiation of new reservation messages, depending on where senders/receivers are located. In addition, we also propose various optimizations for supporting multicast session, mobility management, and admission control.