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MPTCP PathFinder - finding your ways to aggregated bandwidth
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (Datavetenskap)ORCID-id: 0000-0002-4366-6625
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (Datavetenskap)ORCID-id: 0000-0002-8731-2482
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för datavetenskap. (Datavetenskap)ORCID-id: 0000-0001-7311-9334
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för matematik och datavetenskap. (DISCO)ORCID-id: 0000-0002-9446-8143
2012 (engelsk)Rapport (Annet vitenskapelig)
Abstract [en]

Many  networks are multi-path; mobile devices have multiple interfaces, data centers have redundant paths and ISPs forward traffic over disjoint paths to perform load-balancing. Multi-path TCP (MPTCP) is a new mechanism that transparently divides a TCP connection into subflows and distributes them over a host's network interfaces. While this enables multi-homed systems like e.g. smartphones to use several interfaces and thus different, and mostly disjoint, network paths for a single transmission, most end-systems are still single-homed. With one interface, standard MPTCP creates only a single subflow, making single-homed systems unable to benefit from MPTCP's functionality. In this paper we propose PathFinder, an MPTCP extension that tries to estimate the number of subflows required to fully utilize  the network capacity, enabling single-homed hosts to reap the benefits of MPTCP. We evaluate MPTCP with PathFinder and compare its performance to standard MPTCP. The evaluation shows that PathFinder is able to open a limited but sufficient amount of subflows to significantly increase the throughput when compared to using standard MPTCP.

sted, utgiver, år, opplag, sider
Karlstad: Karlstads universitet, 2012. , s. 22
Serie
Karlstad University Studies, ISSN 1403-8099 ; 2012:59
Emneord [en]
MPTCP, Congestion Control, Wireless Mesh Networks, Multi-Path Routing
HSV kategori
Forskningsprogram
Datavetenskap
Identifikatorer
URN: urn:nbn:se:kau:diva-16167ISBN: 978-91-7063-472-7 (tryckt)OAI: oai:DiVA.org:kau-16167DiVA, id: diva2:576317
Merknad

E-pub only.

Tilgjengelig fra: 2013-01-08 Laget: 2012-12-12 Sist oppdatert: 2018-07-23bibliografisk kontrollert
Inngår i avhandling
1. Transport-Layer Performance in Wireless Multi-Hop Networks
Åpne denne publikasjonen i ny fane eller vindu >>Transport-Layer Performance in Wireless Multi-Hop Networks
2013 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

Wireless communication has seen a tremendous growth in the last decades. Continuing on this trend, wireless multi-hop networks  are nowadays used or planned for use in a multitude of contexts, spanning from Internet access at home to emergency situations.

The Transmission Control Protocol (TCP) provides reliable and ordered delivery of a data and is used by major Internet applications such as web browsers, email clients and file transfer programs. TCP traffic is also the dominating traffic type on the Internet. However, TCP performs less than optimal in wireless multi-hop networks due to packet reordering, low link capacity, packet loss and variable delay.

In this thesis, we develop novel proposals for enhancing the network and transport layer to improve TCP performance in wireless multi-hop networks. As initial studies, we experimentally evaluate the performance of different TCP variants, with and without mobile nodes. We further evaluate the impact of multi-path routing on TCP performance and propose packet aggregation combined with aggregation aware multi-path forwarding as a means to better utilize the available bandwidth. The last contribution is a novel extension to multi-path TCP to  enable single-homed hosts to fully utilize the network capacity.

sted, utgiver, år, opplag, sider
Karlstad: Karlstads universitet, 2013. s. 71
Serie
Karlstad University Studies, ISSN 1403-8099 ; 2013:1
Emneord
TCP, MPTCP, transport protocols, packet aggregation, multi-path routing, reordering, wireless multi-hop networks, tactical MANET, mobile ad hoc networks, wireless mesh networks
HSV kategori
Forskningsprogram
Datavetenskap
Identifikatorer
urn:nbn:se:kau:diva-15603 (URN)978-91-7063-473-4 (ISBN)
Disputas
2013-03-04, 1B 364, Fröding, Karlstads Universitet, Karlstad, 10:15 (engelsk)
Opponent
Veileder
Merknad

Opponent changed. Prof. C. Lindeman from the University of Leipzig was substituted by Prof. Zhang.

Tilgjengelig fra: 2013-02-08 Laget: 2012-11-14 Sist oppdatert: 2018-07-23bibliografisk kontrollert

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