Re: [tsvwg] Comments on draft-ietf-tsvwg-l4s-arch-03

Bob Briscoe <ietf@bobbriscoe.net> Mon, 08 July 2019 23:22 UTC

Return-Path: <ietf@bobbriscoe.net>
X-Original-To: tsvwg@ietfa.amsl.com
Delivered-To: tsvwg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8B6C9120355 for <tsvwg@ietfa.amsl.com>; Mon, 8 Jul 2019 16:22:07 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=bobbriscoe.net
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qNW8ZJXZmzA1 for <tsvwg@ietfa.amsl.com>; Mon, 8 Jul 2019 16:22:04 -0700 (PDT)
Received: from server.dnsblock1.com (server.dnsblock1.com [85.13.236.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 013D012024E for <tsvwg@ietf.org>; Mon, 8 Jul 2019 16:22:03 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=bobbriscoe.net; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Y6UwwxqV/OiifUoKJ07MkV3cEIvx4p4shshpZOvykRI=; b=EpJAeRiBqTmtB6quOKs7m9RFOc gEM82tjeB2ta8V9IyAh1Vm+79ZrKAs/uSTYMnzX7nOqctOU2AO3Sfv8us/TjJJfId/Ma2jkl0gTm3 P6HM5dhGfuBcvb72ZfMiW551EZ+kxj6bBsW5+ZGeCqHpTOU7LqYojM0T6LA8Ck7rtdG6/FjE0R1qg 0/tzUuC0TPKJGKbtdfJz11agxbLjvTtcUiXaHFyPgyWq2h2fcI4bLzwX5yFZqb20I+KGMfCCu9NeI rxQ0aG2+D56es0lmsXYIPrEW+YfunW26p2FL+ukNo20I4D6FXUYXXw6Rjw4LB4M1FIU5IHk1jBf6y gH2NnhDg==;
Received: from 93-143-53-4.adsl.net.t-com.hr ([93.143.53.4]:42024 helo=[192.168.1.9]) by server.dnsblock1.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.92) (envelope-from <ietf@bobbriscoe.net>) id 1hkcxO-00088E-6E; Tue, 09 Jul 2019 00:22:02 +0100
To: "Scheffenegger, Richard" <rs.ietf@gmx.at>
Cc: "tsvwg@ietf.org" <tsvwg@ietf.org>
References: <DB6PR07MB34008C7D9A241B6AD6AD2AC3C2C60@DB6PR07MB3400.eurprd07.prod.outlook.com> <8d64668e-0284-9d7e-3e3a-3786415d1e2c@bobbriscoe.net> <AM4PR07MB33961955A36D444FD48404D6C2C70@AM4PR07MB3396.eurprd07.prod.outlook.com> <f88e7102-e81e-d270-8c69-eadb9a3b27c3@bobbriscoe.net> <351a19ad-abb0-7978-d011-499420874fc7@gmx.at>
From: Bob Briscoe <ietf@bobbriscoe.net>
X-Remindit: Tue Jul 09 2019 01:00:00 GMT+0100 (BST)
Message-ID: <7f06d8ab-00e4-3121-9d23-bc5ab553371f@bobbriscoe.net>
Date: Tue, 09 Jul 2019 00:22:01 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1
MIME-Version: 1.0
In-Reply-To: <351a19ad-abb0-7978-d011-499420874fc7@gmx.at>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Transfer-Encoding: 8bit
Content-Language: en-GB
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - server.dnsblock1.com
X-AntiAbuse: Original Domain - ietf.org
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - bobbriscoe.net
X-Get-Message-Sender-Via: server.dnsblock1.com: authenticated_id: in@bobbriscoe.net
X-Authenticated-Sender: server.dnsblock1.com: in@bobbriscoe.net
Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/HMAtweoLXpfj_MfWevC4hZ-Nu00>
Subject: Re: [tsvwg] Comments on draft-ietf-tsvwg-l4s-arch-03
X-BeenThere: tsvwg@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Transport Area Working Group <tsvwg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tsvwg/>
List-Post: <mailto:tsvwg@ietf.org>
List-Help: <mailto:tsvwg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 08 Jul 2019 23:22:15 -0000

Richard,


On 28/11/2018 14:44, Scheffenegger, Richard wrote:
>
> Hi Bob,
>
>
> I finally found the time to closely read the l4s-arch draft.
>
> The architecture document can be read to concern itself more with 
> streaming-type loads, as those examples are very prominently mentioned.
>
> For the uninitiated, a short paragraph discussing the interaction of 
> streaming flows with burstly flows might be good.
>
> There is some discussion around this later in the document (sections 
> 6.2, 8.2) though. Also, I consider the explicit mentioning of 
> heterogenous data centers in the applicability section to be very 
> valuable.
I added some examples like game sync traffic, etc.

>
>
>
> Editorial: I believe the canonical name for DCTCP is Data Center TCP 
> (sec 2, point 3) although that may run against your british english 
> instinct :) (Centre is used consistently throughout the document; I 
> assume people are more likely to search for data center though)
OK, I have bowed to your desire ;)
>
> Link in Mathis09 is unreachable; found a copy at 
> https://www.gdt.id.au/~gdt/presentations/2010-07-06-questnet-tcp/reference-materials/papers/mathis-relentless-congestion-control.pdf
I've used that (I considered using the I-D instead, but I think the 
paper's a better reference).

>
> Top of page 14, two nested opening brackets in the first paragraph
>
> Para 8.1, comma instead of dot (before ", In turn,")
Thx for all the above.
>
> s/best efforts/best effort/ (traffic)
I think either are correct (I left it as-is, 'cos I prefer best efforts).



Bob

>
>
> Best regards,
>   Richard

-- 
________________________________________________________________
Bob Briscoe                               http://bobbriscoe.net/