IETF Logo Mail Archive

Re: [Idr] community of the day - common header

Jeff Tantsura <jefftant.ietf@gmail.com> Thu, 22 September 2016 14:54 UTC

Return-Path: <jefftant.ietf@gmail.com>
X-Original-To: idr@ietfa.amsl.com
Delivered-To: idr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 41D5512BBA8 for <idr@ietfa.amsl.com>; Thu, 22 Sep 2016 07:54:40 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.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 2AAYcR5SIp_c for <idr@ietfa.amsl.com>; Thu, 22 Sep 2016 07:54:34 -0700 (PDT)
Received: from mail-wm0-x236.google.com (mail-wm0-x236.google.com [IPv6:2a00:1450:400c:c09::236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D47D712BD57 for <idr@ietf.org>; Thu, 22 Sep 2016 07:49:01 -0700 (PDT)
Received: by mail-wm0-x236.google.com with SMTP id w84so257461504wmg.1 for <idr@ietf.org>; Thu, 22 Sep 2016 07:49:01 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=user-agent:date:subject:from:to:cc:message-id:thread-topic :references:in-reply-to:mime-version:content-transfer-encoding; bh=wOQ9L6iISm3dPEX0U0Omq+Vr0p3b1YPwzNWq4gQO1I0=; b=D0SR3qVabnKhusP0ZJAMK6pf5VFvK0Ra1pbsFTdboeKL5Jr+HS108el0B7BdTvhVNN cGKD+o9Spmzav2EhxOsxeQEovU2Q6q7OUTDeWhVYcw8kSHLXfIFt2vPnpwgmUh/AGajJ wyitWDvEDPG4/6oae37FQHKtGcLIAvLRcgvmeEL4bM+oP0mXO9VL1tiyNrUtPXR1pQQz pmcIAnq+xVxrfvNsNQNr8E58ZyYp+exaugfg1ZVM0gViMlfAm4IOXO4qaM8N0R/zxfhg wB2qMTSCBME/GJ+0plI1Ie42ZXOI6NGbFsIbDJaYENdwjfT8Og2W1iPhvg+6gvpYDXsL u49w==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:user-agent:date:subject:from:to:cc:message-id :thread-topic:references:in-reply-to:mime-version :content-transfer-encoding; bh=wOQ9L6iISm3dPEX0U0Omq+Vr0p3b1YPwzNWq4gQO1I0=; b=Fpg6Q2N1EP71+18IEgXWsQ6biHFiQ9PKLqaX7AQfeVOy/l4PpNdo7Z93cXpV4pJ1oK 8gU7Ra4348uqz6alLvK2lgc5IPoUed57oByCtSnqNg56DNNywIt2Ri+hLik8dPGqiEVb 66yTZZkrvyKHT5XdP5/JSn2hhZJTc0kww1kLN0Cnjidnx0DYxiNG23hIWwMVGJpfibf8 ohB7ybzaSlB3Rb3qWK+BZLpDTze9XqJPZ04H5t1AFEgYyezrrOtFGB/vvc+vLhXYvgtr d9PbYXq+1Q46+2ZoRDoll4qjw/mqRp+1oof/9XmsJTbKOiMAOwq+/J1sEvWD6D98dOHh gEvA==
X-Gm-Message-State: AA6/9RkoGe77dNCI2+RwwUqGSmchCOsoRz4H833RHiwNSv9RzKlZbT4HD9ta3N1yak/OiQ==
X-Received: by 10.28.199.14 with SMTP id x14mr2969939wmf.106.1474555739891; Thu, 22 Sep 2016 07:48:59 -0700 (PDT)
Received: from [10.188.95.172] (132.252.26.109.rev.sfr.net. [109.26.252.132]) by smtp.gmail.com with ESMTPSA id gr7sm2487212wjc.1.2016.09.22.07.48.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 22 Sep 2016 07:48:58 -0700 (PDT)
User-Agent: Microsoft-MacOutlook/f.19.0.160817
Date: Thu, 22 Sep 2016 07:48:57 -0700
From: Jeff Tantsura <jefftant.ietf@gmail.com>
To: "idr@ietf.org" <idr@ietf.org>
Message-ID: <716F3D8B-FF7D-45EF-9AE4-9EC202A6E2F4@gmail.com>
Thread-Topic: [Idr] community of the day - common header
References: <20160908214031.GA23544@pfrc.org> <20160908231840.GB16775@puck.nether.net> <20160909153317.GC8370@pfrc.org> <8C072797-55A7-4D1A-87E4-67551953EF22@puck.nether.net> <20160909155952.GE8370@pfrc.org> <20160909164640.GE79185@Space.Net> <20160909170513.GE12105@pfrc.org> <20160909171110.GF79185@Space.Net> <alpine.DEB.2.02.1609141250080.1477@uplift.swm.pp.se> <m27faedp12.wl-randy@psg.com> <4166dc4d49e944cba2ddfad3896cf8e9@XCH-ALN-014.cisco.com> <D4094D30.5EAE1%bduvivie@cisco.com>
In-Reply-To: <D4094D30.5EAE1%bduvivie@cisco.com>
Mime-version: 1.0
Content-type: text/plain; charset="UTF-8"
Content-transfer-encoding: quoted-printable
Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/5HZImwNdrhQyhVq55NyVAAKrFLM>
Subject: Re: [Idr] community of the day - common header
X-BeenThere: idr@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Inter-Domain Routing <idr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/idr>, <mailto:idr-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/idr/>
List-Post: <mailto:idr@ietf.org>
List-Help: <mailto:idr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/idr>, <mailto:idr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 22 Sep 2016 14:54:40 -0000

Support Jakob’s position.
 
Cheers,
Jeff
 
    
    On 22/09/16 03:58, "Jakob Heitz (jheitz)" <jheitz@cisco.com> wrote:
    
    >https://tools.ietf.org/html/draft-heitz-idr-large-community-04
    >as approved by the WG for adoption does not share a common header
    >with any other BGP attribute. Judging from emails to the list,
    >there is widespread support for keeping it that way.
    >
    >The first 7 attributes were added to BGP by RFC 1654 in 1994.
    >2 are reserved. 24 attributes have been added in the 22 years since.
    >There are 223 attribute codes left. At that rate we will run out in
    >over 200 years. And then we can define a common header under which
    >to define another 200 years of attributes.
    >
    >I understand that there have been 3 "incidents" in the past,
    >caused by BGP bugs regarding attribute handling:
    > o Corruption of unknown attributes,
    > o Attr 128 ATTR_SET handling,
    > o leak of confed ASN in AS4-PATH.
    >This has lead to many ASes filtering all unrecognized or unnecessary
    >BGP attributes.
    >RFC7606 will now prevent session resets under these and similar
    >conditions.
    >
    >If we define a header today under which to group a set of new
    >BGP attributes, then if there is a bug in just one of them,
    >then ASes will filter the common header, thus filtering every
    >attribute under it.
    >
    >I think large communities should be a BGP attribute not under
    >another header.
    >
    >Thanks,
    >Jakob.
    >
    >
    >> -----Original Message-----
    >> From: Idr [mailto:idr-bounces@ietf.org] On Behalf Of Randy Bush
    >> Sent: Wednesday, September 14, 2016 4:45 PM
    >> To: Mikael Abrahamsson <swmike@swm.pp.se>
    >> Cc: idr@ietf.org
    >> Subject: Re: [Idr] community of the day - common header
    >> 
    >> > Since we don't have that, then now is the time to standardize a "does
    >> > the same as we have today for 16bitAS but for 32bitAS" which involves
    >> > as small code, operational and standardization changes as possible, so
    >> > code can get into operator routers ASAP.
    >> >
    >> > So get it out the door now. Not in 6-12 months time. Now. ASAP.
    >> 
    >> yes!
    >> 
    >> _______________________________________________
    >> Idr mailing list
    >> Idr@ietf.org
    >> https://www.ietf.org/mailman/listinfo/idr
    >
    >_______________________________________________
    >Idr mailing list
    >Idr@ietf.org
    >https://www.ietf.org/mailman/listinfo/idr
    
    _______________________________________________
    Idr mailing list
    Idr@ietf.org
    https://www.ietf.org/mailman/listinfo/idr

v2.23.0 | Report a Bug | By Email