A packet forwarding controller for mobile IP-based networks with packet buffering

Seung Beom Lee; Kyeong Hur; Jongsun Park; Doo Seop Eom

doi:10.1109/TCE.2009.5277998

A packet forwarding controller for mobile IP-based networks with packet buffering

Seung Beom Lee, Kyeong Hur, Jongsun Park, Doo Seop Eom

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Performance of TCP can be severely degraded in Mobile IP-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, we propose a PFC(Packet Forwarding Controller) required at a base station to increase TCP throughput in Mobile IP-based networks. The PFC at the old base station forwards or discards the buffered packets during handoffs according to the current status of RED(Random Early Detection) buffer at the congested FA(Foreign Agent) router. Simulation results show that PFC increases throughputs of TCP flows and link utilization.

Original language	English
Pages (from-to)	1344-1350
Number of pages	7
Journal	IEEE Transactions on Consumer Electronics
Volume	55
Issue number	3
DOIs	https://doi.org/10.1109/TCE.2009.5277998
Publication status	Published - 2009

Bibliographical note

Funding Information:
1 This work was supported in part by the Korea Research Foundation Grant funded by Korea Government (KRF-2008-331-D00334) and in part by the MKE(The Ministry of Knowledge Economy), Korea, under the ITRC(Information Technology Research Center) support program supervised by the IITA(Institute for Information Technology Advancement)" (IITA-2009-C1090-0902-0044).

Keywords

Congestion control
Mobile IP
Packet buffering
TCP

ASJC Scopus subject areas

Media Technology
Electrical and Electronic Engineering

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10.1109/TCE.2009.5277998

Cite this

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abstract = "Performance of TCP can be severely degraded in Mobile IP-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, we propose a PFC(Packet Forwarding Controller) required at a base station to increase TCP throughput in Mobile IP-based networks. The PFC at the old base station forwards or discards the buffered packets during handoffs according to the current status of RED(Random Early Detection) buffer at the congested FA(Foreign Agent) router. Simulation results show that PFC increases throughputs of TCP flows and link utilization.",

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N2 - Performance of TCP can be severely degraded in Mobile IP-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, we propose a PFC(Packet Forwarding Controller) required at a base station to increase TCP throughput in Mobile IP-based networks. The PFC at the old base station forwards or discards the buffered packets during handoffs according to the current status of RED(Random Early Detection) buffer at the congested FA(Foreign Agent) router. Simulation results show that PFC increases throughputs of TCP flows and link utilization.

AB - Performance of TCP can be severely degraded in Mobile IP-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, we propose a PFC(Packet Forwarding Controller) required at a base station to increase TCP throughput in Mobile IP-based networks. The PFC at the old base station forwards or discards the buffered packets during handoffs according to the current status of RED(Random Early Detection) buffer at the congested FA(Foreign Agent) router. Simulation results show that PFC increases throughputs of TCP flows and link utilization.

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A packet forwarding controller for mobile IP-based networks with packet buffering

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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