Stateful session handoff for mobile WWW

  • Authors:
  • Ming-Deng Hsieh;Tsan-Pin Wang;Ching-Sung Tsai;Chien-Chao Tseng

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Chiao-Tung University, Taiwan;Department of Computer Science and Information Engineering, Providence University, 200 Chung-Chi Road, Shalu, TaiChung 433, Taiwan;Department of Computer Science and Information Engineering, National Chiao-Tung University, Taiwan;Department of Computer Science and Information Engineering, National Chiao-Tung University, Taiwan

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2006

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Abstract

This paper proposes a web session handoff system that can hand over not only stateless but also stateful sessions between homogenous and heterogeneous user devices to enable uninterrupted and seamless web access. The proposed system adopts a proxy-based approach and an optional client-assisted scheme in order to track and hand over session information. In the proposed system, a session is registered at a User Agent Proxy (UAP) and then tracked by the UAP so that the session can be handed over from one device via the UAP to another device. In addition to session information tracked by a UAP, the UAP can hand over more comprehensive session information by using the client-assisted scheme. Compared with client-based approaches, our design has several advantages, such as less modification to user devices, practicability, and fault tolerance. We have implemented a UAP on a PC and client programs for both PC and PDA. The implementation can successfully hand over between PC and PDA a stateful session for online shopping applications.