Re: The TCP and UDP checksum algorithm may soon need updating

"Salz, Rich" <rsalz@akamai.com> Wed, 10 June 2020 16:37 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: ietf@ietfa.amsl.com
Delivered-To: ietf@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F21CC3A0AD9 for <ietf@ietfa.amsl.com>; Wed, 10 Jun 2020 09:37:35 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.1
X-Spam-Level:
X-Spam-Status: No, score=-2.1 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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=akamai.com
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 c_SWzadj6GPp for <ietf@ietfa.amsl.com>; Wed, 10 Jun 2020 09:37:34 -0700 (PDT)
Received: from mx0b-00190b01.pphosted.com (mx0b-00190b01.pphosted.com [IPv6:2620:100:9005:57f::1]) (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 3224D3A0AD8 for <ietf@ietf.org>; Wed, 10 Jun 2020 09:37:33 -0700 (PDT)
Received: from pps.filterd (m0050096.ppops.net [127.0.0.1]) by m0050096.ppops.net-00190b01. (8.16.0.42/8.16.0.42) with SMTP id 05AGYHuw026362; Wed, 10 Jun 2020 17:37:30 +0100
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=jan2016.eng; bh=EBhZOjiHKQyC2vjMDaI2X4j4LTE7wS3tcUdl5m2Fsrw=; b=J2r5Mn87mVNVf4a6LtYp8GBGBTsCWxxacft2dsQhjq8FRAI2aZsl01UoIDvhVgFQGPmp 12OjY/oDpa90uQkJbbvOpt5p0W5TlvaHOeErdQ2Eenh7jCqg7HmeQZ4qRM44evkAfEen 7crblN+CkCz7bxgRbO2mHhSzv9n+/NqZ7/ledI4NZhvyFkcpeg5ztIOATKFaXBShgdfG D0OwptiZfkLR67Hz+ud16eatQZaP9ACIJ4Z0xGRI6CERPwKNSRMN8y+VuDXHfcH96MSn 3021R02CXoZyznUWAePB7/EwqHBQoUUtjo1zPkBsxLdwJ6aYBf0r7n3I0UOKmygaP/wz WA==
Received: from prod-mail-ppoint3 (a72-247-45-31.deploy.static.akamaitechnologies.com [72.247.45.31] (may be forged)) by m0050096.ppops.net-00190b01. with ESMTP id 31g3jj97sf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Jun 2020 17:37:30 +0100
Received: from pps.filterd (prod-mail-ppoint3.akamai.com [127.0.0.1]) by prod-mail-ppoint3.akamai.com (8.16.0.42/8.16.0.42) with SMTP id 05AGYuQu021415; Wed, 10 Jun 2020 12:37:29 -0400
Received: from email.msg.corp.akamai.com ([172.27.165.118]) by prod-mail-ppoint3.akamai.com with ESMTP id 31g6fywpbx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 10 Jun 2020 12:37:29 -0400
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.165.119) by ustx2ex-dag1mb3.msg.corp.akamai.com (172.27.165.121) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 10 Jun 2020 11:37:28 -0500
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com ([172.27.165.119]) by ustx2ex-dag1mb1.msg.corp.akamai.com ([172.27.165.119]) with mapi id 15.00.1497.006; Wed, 10 Jun 2020 11:37:28 -0500
From: "Salz, Rich" <rsalz@akamai.com>
To: tom petch <daedulus@btconnect.com>, Warren Kumari <warren@kumari.net>, John Levine <johnl@taugh.com>
CC: IETF Discuss <ietf@ietf.org>
Subject: Re: The TCP and UDP checksum algorithm may soon need updating
Thread-Topic: The TCP and UDP checksum algorithm may soon need updating
Thread-Index: AQHWOqQkI5C4JiLph0G4VdrGIZhHUqjJLHSAgAAMCICAABGLAIAAAhKAgAAH2wCAACNLgIAAMX6AgAARtoCAAMu6gIAACAsAgANF1ACAAAh8AIAACMMAgAAbAwCAABH/gIAAAjEA///EIwCAAElVAP//xvSAgABLOYCAAJNvAIAAg0SAgAAG7YD//7m8rwAK2GeAAAFeeYAAO7sgAAABZCQAAACqeAD//7aJzoABMjgAgAAdioD//8SFAA==
Date: Wed, 10 Jun 2020 16:37:27 +0000
Message-ID: <F26E6CD7-3D2F-423D-BAD7-AB7522378082@akamai.com>
References: <D55AFBFD-0D59-4176-B6BD-D6A1801FEC2C@akamai.com> <6c9f5bd9-6e26-5d25-e66e-bec206473ff3@mtcc.com> <20200610001225.GD3100@localhost> <3ac60a21-4aee-d742-bedc-5be3a4e65471@mtcc.com> <rbpbpp$2fgp$1@gal.iecc.com> <CAHw9_iK226J9FV8+Jdhr3=NBLRr4U-gr21Nn-JXdNK7Gzu66jw@mail.gmail.com> <1UWB4Lpxjt.1Tg13nQabPR@pc8xp>
In-Reply-To: <1UWB4Lpxjt.1Tg13nQabPR@pc8xp>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/16.38.20060702
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.38.115]
Content-Type: text/plain; charset="utf-8"
Content-ID: <66337C3904120D4FA8EDD10E4813916C@akamai.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-10_10:2020-06-10, 2020-06-10 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 suspectscore=0 bulkscore=0 spamscore=0 mlxlogscore=711 phishscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006100126
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-10_10:2020-06-10, 2020-06-10 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=706 mlxscore=0 malwarescore=0 phishscore=0 clxscore=1011 cotscore=-2147483648 bulkscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006100126
Archived-At: <https://mailarchive.ietf.org/arch/msg/ietf/vxr9FB8CtnMPIv2DqPivLuKgUmA>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ietf/>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 10 Jun 2020 16:37:36 -0000

>    Yes, I'm sure that checksum errors do exist, but from my quick checks
    I haven't been seeing anything like the error rates discussed here --
  
Your URL's are https and TLS will resend packets even if bit-errors slip past TCP.  Do you get the same results for http URL's?