Re: [DNSOP] Fwd: I-D Action: draft-song-atr-large-resp-00.txt

Paul Vixie <paul@redbarn.org> Tue, 12 September 2017 15:14 UTC

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Date: Tue, 12 Sep 2017 08:14:30 -0700
From: Paul Vixie <paul@redbarn.org>
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To: Stephane Bortzmeyer <bortzmeyer@nic.fr>
CC: Lanlan Pan <abbypan@gmail.com>, Davey Song <songlinjian@gmail.com>, dnsop <dnsop@ietf.org>
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Subject: Re: [DNSOP] Fwd: I-D Action: draft-song-atr-large-resp-00.txt
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Stephane Bortzmeyer wrote:
> On Tue, Sep 12, 2017 at 09:50:37AM +0000,
>   Lanlan Pan<abbypan@gmail.com>  wrote
>   a message of 210 lines which said:
>
>> ATR make Authoritative Servers send normal big response packet
>> before they try to send TC response for large RRsets ?
>
> Yes, section 3. "it is suggested a timer to delay the second truncated
> response to around 10 millisecond which can be configured by local
> operation". (In the spirit of RFC 6555.)

noting, 10ms isn't enough. packet reordering due to multipath load 
balancing has been observed as high as 60ms due to "buffer bloat".

-- 
P Vixie