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Performance evaluation of the cache and forward routing protocol in multihop wireless subnetworks

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Text
TitleInfo (ID = T-1)
Title
Performance evaluation of the cache and forward routing protocol in multihop wireless subnetworks
SubTitle
PartName
PartNumber
NonSort
Identifier (displayLabel = ); (invalid = )
ETD_2358
Identifier (type = hdl)
http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.000052114
Language (objectPart = )
LanguageTerm (authority = ISO639-2); (type = code)
eng
Genre (authority = marcgt)
theses
Subject (ID = SBJ-1); (authority = RUETD)
Topic
Electrical and Computer Engineering
Subject (ID = SBJ-2); (authority = ETD-LCSH)
Topic
Cache memory
Subject (ID = SBJ-3); (authority = ETD-LCSH)
Topic
Routing protocols (Computer network protocols)
Subject (ID = SBJ-4); (authority = ETD-LCSH)
Topic
Wireless communication systems
Abstract
Cache aNd Forward (CNF) is a clean-slate protocol architecture for content delivery services in the future Internet. CNF is based on the concept of store-and-forward routers with large storage, opportunistic delivery to occasionally disconnected mobile users and in-network caching of content. The CNF architecture uses a storage-aware routing protocol (which can choose to store rather than forward data), along with a reliable hop-by-hop transport protocol in place of end-to-end TCP for reliable delivery of media files. This thesis presents the design and experimental evaluation of the routing protocol for CNF in context of a multihop wireless access network scenario. The protocol is designed to transmit files only when the end-to-end path quality is considered to be acceptably high. The aim here is to optimize a social metric such as the overall network throughput through opportunistic transmission during periods of good path quality. If the routed path is determined to be temporarily degraded, either due to poor channel conditions or mobility, the protocol may decide to store the file. This decision is based on a two-dimensional routing metric which considers the value of both short-term and long-term path metrics such as ETT (expected transmission time) to determine whether to forward or store. In addition to path quality, storage capacity in the downstream routers to the destination is also considered while making the store or forward decision. The CNF protocol stack over multihop 802.11 access networks with CNF routers has been implemented as a real-time proof-of-concept prototype on the ORBIT testbed. Baseline results for the storage aware routing with hop-by-hop transport show significant throughput gains for the CNF stack over the TCP/IP stack for a variety of topologies and network conditions. For example, for a 5-node multihop topology under varying loss conditions, the throughput achieved by CNF is 2X that of TCP. Moreover, as the loss conditions worsen, TCP tends to fail completely, while a graceful degradation of the CNF protocol stack is observed.
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electronic resource
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ix, 49 p. : ill.
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M.S.
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Includes bibliographical references (p. 48-49)
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by Snehapreethi Gopinath
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Gopinath
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Snehapreethi
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1986-
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Snehapreethi Gopinath
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Raychaudhuri
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Dipankar
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Advisory Committee
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Dipankar Raychaudhuri
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Yates
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Roy
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Advisory Committee
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Roy Yates
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Zhang
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Yanyong
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Advisory Committee
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Yanyong Zhang
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Rutgers University
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degree grantor
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Graduate School - New Brunswick
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school
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2010
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2010-01
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xx
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Title
Rutgers University Electronic Theses and Dissertations
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ETD
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Graduate School - New Brunswick Electronic Theses and Dissertations
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rucore19991600001
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NjNbRU
Identifier (type = doi)
doi:10.7282/T3JH3M9V
Genre (authority = ExL-Esploro)
ETD graduate
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Rights

RightsDeclaration (AUTHORITY = GS); (ID = rulibRdec0006)
The author owns the copyright to this work.
Copyright
Status
Copyright protected
Notice
Note
Availability
Status
Open
Reason
Permission or license
Note
RightsHolder (ID = PRH-1); (type = personal)
Name
FamilyName
Gopinath
GivenName
Snehapreethi
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Copyright Holder
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Label
Place
DateTime
2009-12-30 10:28:01
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Name
Snehapreethi Gopinath
Affiliation
Rutgers University. Graduate School - New Brunswick
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License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
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ETD
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application/pdf
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