Date: Tue, 26 Mar 2019 13:54:01 +0000 (UTC)
From: Praveen Balasubramanian <notifications@github.com>
Reply-To: quicwg/base-drafts
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To: quicwg/base-drafts <base-drafts@noreply.github.com>
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Message-ID: <quicwg/base-drafts/issues/2556@github.com>
Subject: [quicwg/base-drafts] Should kPersistentCongestionThreshold be 1 or 2?
 (#2556)
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Both Linux and Windows TCP arm a single PTO for TLP and then arm the RTO. The recommendation in RACK draft https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-rack is also for doing a single TLP. If we keep the value as 2 then we need to add a justification statement for deviating from TCP. It would be good to find out if Yuchung has a any data on why Linux settled on a single TLP (PTO). 

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<p>Both Linux and Windows TCP arm a single PTO for TLP and then arm the RTO. The recommendation in RACK draft <a href="https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-rack" rel="nofollow">https://datatracker.ietf.org/doc/html/draft-ietf-tcpm-rack</a> is also for doing a single TLP. If we keep the value as 2 then we need to add a justification statement for deviating from TCP. It would be good to find out if Yuchung has a any data on why Linux settled on a single TLP (PTO).</p>

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