Improved handoff scheme for supporting network mobility in nested mobile networks

Authors:
Han-Kyu Ryu;Do-Hyeon Kim;You-Ze Cho;Kang-Won Lee;Hee-Dong Park
Affiliations:
Networks Lab., Samsung Electronics, Suwan, Korea;Dept. of Computer & Telecommunication Engineering, Cheju National University, Jeju-do, Korea;School of Electrical Engineering & Computer Science, Kyungpook National University, Taegu, Korea;School of Electrical Engineering & Computer Science, Kyungpook National University, Taegu, Korea;Department of Computer Engineering, Pohang College, Pohang, Korea
Venue:
ICCSA'05 Proceedings of the 2005 international conference on Computational Science and its Applications - Volume Part I
Year:
2005

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Abstract

The IETF NEMO working group on network mobility is currently standardizing a basic support for moving networks. We need a handoff scheme for achieving the performance transparency during the movement of mobile routers in nested mobile networks. But the existed handoff schemes for a mobile host are not suitable for network mobility because packet transmission delay and traffic increase during mobile router's handoff in nested mobile networks. This paper proposes a new seamless handoff scheme using the bi-casting based on IPv6 in nested mobile networks. Compared with the handoff schemes using bi-directional edge tunneling for host mobility support on simulation, the results show that the proposed handoff scheme reduces the packet delay during a mobile router changes the point of attachment in nested mobile networks.