From vasilenko.eduard@huawei.com  Fri Apr 19 06:16:24 2024
Return-Path: <vasilenko.eduard@huawei.com>
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 99F8DC14CE42
 for <tsvwg@ietfa.amsl.com>; Fri, 19 Apr 2024 06:16:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.194
X-Spam-Level: 
X-Spam-Status: No, score=-4.194 tagged_above=-999 required=5
 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001,
 RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001,
 SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001,
 URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001]
 autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([50.223.129.194])
 by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id RVlG_BcRYXHt for <tsvwg@ietfa.amsl.com>;
 Fri, 19 Apr 2024 06:16:20 -0700 (PDT)
Received: from frasgout.his.huawei.com (frasgout.his.huawei.com
 [185.176.79.56])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by ietfa.amsl.com (Postfix) with ESMTPS id B107AC14F5F2
 for <tsvwg@ietf.org>; Fri, 19 Apr 2024 06:16:06 -0700 (PDT)
Received: from mail.maildlp.com (unknown [172.18.186.31])
 by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4VLZpt3yFxz6F970;
 Fri, 19 Apr 2024 21:13:58 +0800 (CST)
Received: from mscpeml500003.china.huawei.com (unknown [7.188.49.51])
 by mail.maildlp.com (Postfix) with ESMTPS id E55CE140B2A;
 Fri, 19 Apr 2024 21:16:04 +0800 (CST)
Received: from mscpeml500004.china.huawei.com (7.188.26.250) by
 mscpeml500003.china.huawei.com (7.188.49.51) with Microsoft SMTP Server
 (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id
 15.2.1258.28; Fri, 19 Apr 2024 16:16:04 +0300
Received: from mscpeml500004.china.huawei.com ([7.188.26.250]) by
 mscpeml500004.china.huawei.com ([7.188.26.250]) with mapi id 15.02.1258.028;
 Fri, 19 Apr 2024 16:16:04 +0300
From: Vasilenko Eduard <vasilenko.eduard@huawei.com>
To: "Bless, Roland (TM)" <roland.bless@kit.edu>, "tsvwg@ietf.org"
 <tsvwg@ietf.org>
Thread-Topic: [tsvwg] "Pacing" requirement is lost in L4S
Thread-Index: AdqSNQebXSBBdSUyTsuxQQxBxCIgz///2D0A///D+oCAAFfqgP//qnzg
Date: Fri, 19 Apr 2024 13:16:04 +0000
Message-ID: <f2df9ab26346406ea55a69bf02bc8388@huawei.com>
References: <a19c38376c7541b89a3d52841141fa0c@huawei.com>
 <cff2147d-e203-4106-b7d6-65a8573e2c22@kit.edu>
 <12c7c1300b004691a59ac950e66c3e2b@huawei.com>
 <e45b1d63-62e5-446c-abcf-3a22e911de1b@kit.edu>
In-Reply-To: <e45b1d63-62e5-446c-abcf-3a22e911de1b@kit.edu>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-originating-ip: [10.199.56.41]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/-Lx43lNVKuRrboZiNUS8X2ph6OE>
Subject: Re: [tsvwg] "Pacing" requirement is lost in L4S
X-BeenThere: tsvwg@ietf.org
X-Mailman-Version: 2.1.39
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: Fri, 19 Apr 2024 13:16:24 -0000
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