Re: [multipathtcp] Preparing for Prague meeting - things to delete or add to MPTCP protocol bis

Rao Shoaib <rao.shoaib@oracle.com> Thu, 09 July 2015 16:49 UTC

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Date: Thu, 09 Jul 2015 09:59:48 -0700
From: Rao Shoaib <rao.shoaib@oracle.com>
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To: Christoph Paasch <cpaasch@apple.com>
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Subject: Re: [multipathtcp] Preparing for Prague meeting - things to delete or add to MPTCP protocol bis
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On 07/09/2015 09:45 AM, Christoph Paasch wrote:
> Hello,
>
> On 09/07/15 - 09:19:27, Rao Shoaib wrote:
>> On 07/06/2015 11:01 AM, philip.eardley@bt.com wrote:
>>> Looking at the (expired) draft summarising the various implementations,
>>>
>>> https://tools.ietf.org/html/draft-eardley-mptcp-implementations-survey-02
>>>
>>> one thing that may be worth discussing is whether we need both 4 & 8 byte
>>> Data ack & DSS
>>>
>> +1
>> Choosing one (8 byte ack) would make implementation as well as debugging
>> easier. What is the purpose of providing two options.
> I think the 4-byte option is good to reduce the TCP-option space
> consumption of MPTCP.
That's a good point. I suggested 8 byte option to cover any wrap around 
issues but if 4 bytes work that is fine too.

Shoaib
>
> Cheers,
> Christoph
>
>