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Re: [tcpm] RACK - variable explanation

Michael Tuexen <Michael.Tuexen@lurchi.franken.de> Thu, 22 November 2018 15:01 UTC

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From: Michael Tuexen <Michael.Tuexen@lurchi.franken.de>
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Date: Thu, 22 Nov 2018 16:01:09 +0100
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To: Felix Weinrank <weinrank@fh-muenster.de>
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Subject: Re: [tcpm] RACK - variable explanation
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> On 22. Nov 2018, at 13:25, Felix Weinrank <weinrank@fh-muenster.de> wrote:
> 
> Hey RACK authors,
> 
> we're evaluating the nuts and bolts of RACK in its current version and we are missing variable explanations.
> Most of the variables are listed and explained in section 5 (Definitions of variables) but at least two are missing.
> 
> SND.UNA
The above is a standard TCP variable explained in
https://tools.ietf.org/html/rfc793#section-3.2

Best regards
Michael
> RACK.dupthresh << This is where we're stuck
> 
> And I think this paragraph from section 5 needs two cosmetic newlines:
> "RACK.reo_wnd_persist" is the number of loss recoveries before
> resetting RACK.reo_wnd "RACK.dsack" indicates if a DSACK option has
> been received since last RACK.reo_wnd change "RACK.pkts_sacked"
> returns the total number of packets selectively acknowledged in the
> SACK scoreboard.
> 
> Best regards
> Felix Weinrank
> 
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