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A Handoff Packet Marker for DiffServ in Mobile IP-based Networks with Packet Buffering

Authors
Lee, Seung BeomHur, KyeongKim, Jong-KookEom, Doo-Seop
Issue Date
5월-2009
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Packet Buffering; DiffServ; Marker; Mobile IP
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.55, no.2, pp.438 - 446
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
55
Number
2
Start Page
438
End Page
446
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120124
DOI
10.1109/TCE.2009.5174405
ISSN
0098-3063
Abstract
Performance of TCP can be severely degraded in Mobile JP-based wireless networks where packet losses not related to network congestion occur frequently during inter-subnetwork handoffs by user mobility. To solve such a problem in the networks using Mobile IP, the packet buffering method at a base station recovers those packets dropped during handoff by forwarding the buffered packets at the old base station to the mobile users. But, when the mobile user moves to a congested base station in a new foreign subnetwork those buffered packets forwarded by the old base station are dropped and TCP transmission performance of a mobile user degrades severely. In this paper, a PBM (Packet Buffering Marker) at a base station is proposed to prevent burst losses of out-of-profile packets during handoffs for DiffServ Assured Services. From simulation results, it is shown that PBM scheme improves TCP throughputs of an Assured Service flow during handoffs(1).
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공과대학 (전기전자공학부)
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