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Article: Hierarchical cache design for enhancing TCP over heterogeneous networks with wired and wireless links

TitleHierarchical cache design for enhancing TCP over heterogeneous networks with wired and wireless links
Authors
KeywordsHandoff
Heterogeneous Network
Local Loss Recovery
New Snoop (Ns)
Transmission Control Protocol (Tcp) Enhancement
Issue Date2003
Citation
Ieee Transactions On Wireless Communications, 2003, v. 2 n. 2, p. 205-217 How to Cite?
AbstractTCP is a reliable transport protocol tuned to perform well in traditional networks made up of links with low bit-error rates. Networks with higher bit-error rates, such as those with wireless links and mobile hosts, violate many of the assumptions made by transmission control protocol (TCP), causing degraded end-to-end performance. In this paper, we propose a two-layer hierarchical cache architecture for enhancing TCP performance over heterogeneous networks with both wired and wireless links. A new network-layer protocol, called new snoop (NS), is designed. The main idea is to cache the unacknowledged packets at both mobile switch center (MSC) and base station (BS), to form a two-layer cache hierarchy. If a packet is lost due to transmission errors in wireless link, the BS takes the responsibility to recover the loss. When a handoff occurs, the packets cached at MSC can help to minimize the latency of retransmissions due to temporal disconnection. NS can preserve the end-to-end TCP semantics and is compatible with existing TCP applications. Its implementation only requires code modification at the BS and MSC. Simulation results show that NS is significantly more robust in dealing with unreliable wireless links and handoffs as compared with the original Snoop scheme, as well as some other existing TCP enhancements.
Persistent Identifierhttp://hdl.handle.net/10722/155308
ISSN
2023 Impact Factor: 8.9
2023 SCImago Journal Rankings: 5.371
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHu, JHen_US
dc.contributor.authorFeng, Gen_US
dc.contributor.authorYeung, KLen_US
dc.date.accessioned2012-08-08T08:32:49Z-
dc.date.available2012-08-08T08:32:49Z-
dc.date.issued2003en_US
dc.identifier.citationIeee Transactions On Wireless Communications, 2003, v. 2 n. 2, p. 205-217en_US
dc.identifier.issn1536-1276en_US
dc.identifier.urihttp://hdl.handle.net/10722/155308-
dc.description.abstractTCP is a reliable transport protocol tuned to perform well in traditional networks made up of links with low bit-error rates. Networks with higher bit-error rates, such as those with wireless links and mobile hosts, violate many of the assumptions made by transmission control protocol (TCP), causing degraded end-to-end performance. In this paper, we propose a two-layer hierarchical cache architecture for enhancing TCP performance over heterogeneous networks with both wired and wireless links. A new network-layer protocol, called new snoop (NS), is designed. The main idea is to cache the unacknowledged packets at both mobile switch center (MSC) and base station (BS), to form a two-layer cache hierarchy. If a packet is lost due to transmission errors in wireless link, the BS takes the responsibility to recover the loss. When a handoff occurs, the packets cached at MSC can help to minimize the latency of retransmissions due to temporal disconnection. NS can preserve the end-to-end TCP semantics and is compatible with existing TCP applications. Its implementation only requires code modification at the BS and MSC. Simulation results show that NS is significantly more robust in dealing with unreliable wireless links and handoffs as compared with the original Snoop scheme, as well as some other existing TCP enhancements.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Wireless Communicationsen_US
dc.subjectHandoffen_US
dc.subjectHeterogeneous Networken_US
dc.subjectLocal Loss Recoveryen_US
dc.subjectNew Snoop (Ns)en_US
dc.subjectTransmission Control Protocol (Tcp) Enhancementen_US
dc.titleHierarchical cache design for enhancing TCP over heterogeneous networks with wired and wireless linksen_US
dc.typeArticleen_US
dc.identifier.emailYeung, KL:kyeung@eee.hku.hken_US
dc.identifier.authorityYeung, KL=rp00204en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/TWC.2003.808957en_US
dc.identifier.scopuseid_2-s2.0-3042748758en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-3042748758&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume2en_US
dc.identifier.issue2en_US
dc.identifier.spage205en_US
dc.identifier.epage217en_US
dc.identifier.isiWOS:000182508100001-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridHu, JH=23008755200en_US
dc.identifier.scopusauthoridFeng, G=7401641884en_US
dc.identifier.scopusauthoridYeung, KL=7202424908en_US
dc.identifier.issnl1536-1276-

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