A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Survey of MPTCP Implementations
Author(s) : Philip Eardley
Filename : draft-eardley-mptcp-implementations-survey-02.txt
Pages : 38
Date : 2013-07-12
Abstract:
This document presents results from the survey to gather information
from people who have implemented MPTCP, in particular to help
progress the protocol from Experimental to Standards track.
The document currently includes answers from four teams: a Linux
implementation from UCLouvain, a FreeBSD implementation from
Swinburne, an anonymous implementation in a commercial OS, and a
NetScalar Firmware implementation from Citrix Systems, Inc. Thank-
you!
In summary, we have four independent implementations of all the MPTCP
signalling messages, with the exception of address management, and
some interoperabiity testing has been done by the other three
implementations with the 'reference' Linux implementation. So it
appears that the RFC is (at least largely) clear and correct. On
address management, we have only one implementation of ADD_ADDR with
two teams choosing not to implement it. We have one implementation
of the working group's coupled congestion control (RFC6356) and none
of the MPTCP-aware API (RFC6897).
The main suggested improvements are around
o how MPTCP falls back (if the signalling is interrupted by a
middlebox): (1) corner cases that are not handled properly, (2) at
the IETF, the MPTCP community should work with middlebox vendors,
either to reduce or eliminate the need for fallback or to
understand the middlebox interactions better.
o security: both better MPTCP security (perhaps building on SSL) and
a lighter weight mechanism, preferably both in one mechanism.
It is hoped that the next version can include information from any
other implementations. If you are an implementer and want to
contribute your answers, please see the -01 version of this document
for a blank survey ready to be filled in.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-eardley-mptcp-implementations-survey
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-eardley-mptcp-implementations-survey-02
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-eardley-mptcp-implementations-survey-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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