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Re: [tsvwg] Deprecating RFC 3168 for future ECN experimentation

daihuichen <daihuichen@huawei.com> Wed, 31 March 2021 03:38 UTC

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From: daihuichen <daihuichen@huawei.com>
To: Jonathan Morton <chromatix99@gmail.com>
CC: Steven Blake <slblake@petri-meat.com>, "tsvwg@ietf.org" <tsvwg@ietf.org>
Thread-Topic: [tsvwg] Deprecating RFC 3168 for future ECN experimentation
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Date: Wed, 31 Mar 2021 03:38:01 +0000
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Subject: Re: [tsvwg] Deprecating RFC 3168 for future ECN experimentation
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Jonathan,

Only the queue for low-latency traffic, e.g., roce packets, is ECN enabled.
The rest queues are usually FIFOs with tail-drop policy. 


/Huichen

-----Original Message-----
From: Jonathan Morton [mailto:chromatix99@gmail.com] 
Sent: 2021年3月31日 11:19 AM
To: daihuichen <daihuichen@huawei.com>
Cc: Steven Blake <slblake@petri-meat.com>; tsvwg@ietf.org
Subject: Re: [tsvwg] Deprecating RFC 3168 for future ECN experimentation

> On 31 Mar, 2021, at 6:15 am, daihuichen <daihuichen@huawei.com> wrote:
> 
> Today, ECN has been widely deployed in data center networks…

May I ask, purely out of idle curiosity, whether those deployments are primarily of the single-queue variety, or of the flow-isolating type?

 - Jonathan Morton

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