Performance evaluation of layer 3 low latency handoff mechanisms

Authors:
C. Blondia;O. Casals;L. Cerdà;N. Van den Wijngaert;G. Willems
Affiliations:
University of Antwerp, Department of Mathematics and Computer Science, Middelheimlaan 1, B-2020 Antwerp, Belgium;Technical University of Catalonia (UPC), Department of Computer Architecture, Jordi Girona 1-3, D6, E-08034 Barcelona, Spain;Technical University of Catalonia (UPC), Department of Computer Architecture, Jordi Girona 1-3, D6, E-08034 Barcelona, Spain;University of Antwerp, Department of Mathematics and Computer Science, Middelheimlaan 1, B-2020 Antwerp, Belgium;University of Antwerp, Department of Mathematics and Computer Science, Middelheimlaan 1, B-2020 Antwerp, Belgium
Venue:
Mobile Networks and Applications
Year:
2004

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Abstract

This paper investigates the performance of two Layer 3 low latency handoff mechanisms proposed by the IETF, namely Pre- and Post-Registration. These protocols use Layer 2 triggers to reduce the built-in delay components of Mobile IP. We propose a simple analytical model that allows assessing the packet loss and the delay characteristics of these mechanisms. We describe several handoff implementations over a wireless access based on the IEEE 802.11 standard and analyze several implementation issues. Finally we study the scalability of the protocols using an OPNET simulation.