Preserving HTTP Sessions in Vehicular Environments

Details Preserving HTTP Sessions in Vehicular Environments Preserving HTTP Sessions in Vehicular Environments

2010-08-03

arxiv.org/abs/1008.0440v1

IEEE Transactions on Vehicular Technology, 2007

Computer Science

Networking and Internet Architecture

Scientific paper

Wireless Internet in the in-vehicle environment is an evolving reality that reflects the gradual maturity of wireless technologies. Its complexity is reflected in the diversity of wireless technologies and dynamically changing network environments. The ability to adapt to the dynamics of such environments and to survive transient failures due to network handoffs are fundamentally important in failure-prone vehicular environments. In this paper we identify several new issues arising from network heterogeneity in vehicular environments and concentrate on designing and implementing a network-aware prototype system that supports HTTP session continuity in the presence of network volatility, with the emphasis on the following specifically tailored features: (1) automatic and transparent HTTP failure recovery, (2) network awareness and adaptation, (3) application-layer preemptive network handoff. Experimental results gathered from real application environments based on CDMA {\it 1xRTT} and IEEE 802 networks are presented and analyzed.

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