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Re: [tcpm] RACK - variable explanation

Michael Tuexen <Michael.Tuexen@lurchi.franken.de> Thu, 22 November 2018 16:01 UTC

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From: Michael Tuexen <Michael.Tuexen@lurchi.franken.de>
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Date: Thu, 22 Nov 2018 17:00:59 +0100
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To: Neal Cardwell <ncardwell@google.com>
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Subject: Re: [tcpm] RACK - variable explanation
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> On 22. Nov 2018, at 16:28, Neal Cardwell <ncardwell@google.com> wrote:
> 
> On Thu, Nov 22, 2018 at 10:04 AM Michael Tuexen
> <Michael.Tuexen@lurchi.franken.de> wrote:
>> 
>>> On 22. Nov 2018, at 15:58, Neal Cardwell <ncardwell=40google.com@dmarc.ietf.org> wrote:
>>> 
>>> On Thu, Nov 22, 2018 at 7:25 AM Felix Weinrank <weinrank@fh-muenster.de> wrote:
>>>> RACK.dupthresh << This is where we're stuck
>>> 
>>> This is using the DupThresh term from RFC 6675, "A Conservative Loss
>>> Recovery Algorithm Based on Selective Acknowledgment (SACK) for TCP"
>>> (from https://tools.ietf.org/html/rfc6675 on page 4):
>>> 
>>>  We define a variable "DupThresh" that holds the number of duplicate
>>>  acknowledgments required to trigger a retransmission.  Per [RFC5681],
>>>  this threshold is defined to be 3 duplicate acknowledgments.
>> Please add such a description for RACK.dupthresh to Section 5.
> 
> Thanks, Michael. Based on this discussion, we have inserted a
> definition of RACK.dupthresh in Section 5 in our internal version of
> the draft, so it will be in the next rev.
Great, thanks a lot.

Best regards
Michael
> 
> thanks,
> neal

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