Article | REF: TE7600 V1

Internet transport: A more performant, more robust, more reliable TCP

Authors: Mohamed BOUCADAIR, Christian JACQUENET

Publication date: April 10, 2017, Review date: August 24, 2021

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5. Improving quality of experience

This section presents two major extensions which adapt TCP to the requirements of current network usage: section 5.1 introduces a mechanism whose aim is to reduce the time it takes to receive/send data (TCP Fast open option), while section 5.2 presents extensions currently being tested which contribute to increasing the resilience of TCP connections (MultiPath TCP, MPTCP). MPTCP enables full use to be made of the resources associated with the various network attachment points available.

5.1 TCP Fast Open (TFO)

Existing TCP implementations require an RTT (Round Trip Time), necessary for the 3WHS procedure, before data can be exchanged. In order to improve quality of experience, one way forward is to reduce the time needed to transmit and receive data for a TCP...

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