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Merge branch 'master' of https://git.overleaf.com/5fd37aafb26bc430615b7f18

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Jake Hillion 2021-05-04 00:52:44 +01:00
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1_Introduction/introduction.tex
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@ -19,7 +19,7 @@ Though multiple low bandwidth, low cost, connections may be accessible, a mechan
\subsection{MultiPath TCP (MPTCP)}
MultiPath TCP \citep{handley_tcp_2020} is an extension to the regular Transmission Control Protocol, allowing the creation of subflows. MultiPath TCP was designed with two purposes: increasing resiliency and throughput for multi-homed mobile devices, and providing multi-homed servers with better control over balancing flows between their interfaces. Initially, MultiPath TCP seems like a solution to the aims of this project. However, it suffers for three reasons: the rise of UDP protocols, device knowledge of interfaces, and legacy devices.
MultiPath TCP \citep{handley_tcp_2020} is an extension to the regular Transmission Control Protocol, allowing for the creation of subflows. MultiPath TCP was designed with two purposes: increasing resiliency and throughput for multi-homed mobile devices, and providing multi-homed servers with better control over balancing flows between their interfaces. Initially, MultiPath TCP seems like a solution to the aims of this project. However, it suffers for three reasons: the rise of UDP protocols, device knowledge of interfaces, and legacy devices.
Although many UDP protocols have been around for a long time, using UDP protocols as a replacement for previously TCP protocols is a newer effort. An example of an older protocol is SIP \citep{schooler_sip_2002}, still widely used for VoIP calls. This is an example of a UDP protocol that would benefit particularly from increased resilience to Internet connection outage. For a replacement TCP protocol, HTTP/3 \citep{bishop_hypertext_2021} is one of the largest. Previously, HTTP requests have been sent over TCP connections, but HTTP/3 switches this to a UDP protocol. As such, HTTP requests are moving away from benefiting from MPTCP.