Subject: Re: [multipathtcp] Multipath TCP for FreeBSD v0.4

From: Nigel Williams <[email-masked]>
Date: Mon, 08 Sep 2014 11:32:03 +1000

Hi,

We recently released a new tech report "Design Overview of Multipath TCP 
version 0.4 for FreeBSD-11" [1]. The report provides some details on 
various aspects of the implementation (session management, data-level 
retransmission etc), as of the most recent v0.4 patch [2].

cheers,
nigel

[1] http://caia.swin.edu.au/reports/140822A/CAIA-TR-140822A.pdf
[2] http://caia.swin.edu.au/urp/newtcp/mptcp/tools.html

On 11/07/14 16:46, Nigel Williams wrote:
> Hello all,
>
> A new v0.4 patch is available at [1]. This release is mostly bug-fixes
> and improvements to core functionality (establishing/closing
> connections, retransmissions etc), and also brings the implementation up
> to a more recent version of FreeBSD-HEAD.
>
> The full list of changes and caveats can be found in [2] and [3], but
> briefly:
> - Patched against r265307 of FreeBSD-HEAD. This is prior to some recent
> TCP reassembly memory management changes and the patch will be brought
> up to a newer revision soon (currently working on integrating those
> changes).
> - Added data-level retransmits and subflows can now stall and recover
> (or timeout) during a connection.
> - The path management and packet scheduler are still fairly rudimentary,
> and I haven't yet implemented coupled CC.
> - The patch is still under heavy development so consider this release
> code to be of alpha quality.
>
> This release ties up work that was partially supported by a gift from
> The Cisco University Research Program Fund. Future releases will be
> supported by a grant from the FreeBSD Foundation.
>
> P.S. I will be working on the patch full-time again so updates should be
> a little more frequent from this point onwards.
>
> cheers,
> nigel
>
> [1] http://caia.swin.edu.au/urp/newtcp/mptcp/tools.html
> [2] http://caia.swin.edu.au/urp/newtcp/mptcp/tools/mptcp-changelog-v0.4.txt
> [3] http://caia.swin.edu.au/urp/newtcp/mptcp/tools/mptcp-readme-v0.4.txt
>
>
> On 17/04/13 11:16, Nigel Williams wrote:
>> Hi all,
>>
>> A new update is now available at [1]. This patch fixes a number of known
>> stability issues (see changelog [2]). The readme [3] has also been
>> updated. As with v0.2, this release code is considered to be of alpha
>> quality.
>>
>> Cheers,
>> Nigel, Lawrence and Grenville
>>
>> http://caia.swin.edu.au
>>
>>
>> [1] http://caia.swin.edu.au/urp/newtcp/mptcp/tools.html
>>
>> [2]
>> http://caia.swin.edu.au/urp/newtcp/mptcp/tools/mptcp-changelog-v0.3.txt
>>
>> [3] http://caia.swin.edu.au/urp/newtcp/mptcp/tools/mptcp-readme-v0.3.txt
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