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An End-to-End Mobility Support Mechanism based on mSCTP  

장문정 (이화여자대학교 컴퓨터학과)
이미정 (이화여자대학교 컴퓨터학)
고석주 (경북대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.31, no.4, 2004 , pp. 393-404 More about this Journal
Abstract
Recently, mSCTP (Mobile SCTP) has been proposed as a transport layer approach for supporting mobility. mSCTP is based on the ‘multi-homing’ feature of Stream Control Transmission Protocol(SCTP), and utilize the functions to dynamically add or delete IP addresses of end points to or from the existing connectionin order to support mobility. In this paper, we propose a mechanism to determine when to add or delete an W address, utilizing the link layer radio signal strength information in order to enhance the performance of mSCTP We also propose a mechanism for a mobile node to initiate the change of data delivery path based on link layer radio signal strength information. In addition, if it takes long time to acquire new data path, we propose an approach for reducing handover latency. The simulation results show that the performance of proposed transport layer mobility support mechanism is competitive compared to the traditional network layer mobility supporting approach. Especially, when the moving speed of mobile node is fast, it shows better performance than the traditional network layer approaches.
Keywords
transport layer; mobility; mSCTP; SCTP;
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