Return-Path: X-Original-To: grow@mail2.ietf.org Delivered-To: grow@mail2.ietf.org Received: from localhost (localhost [127.0.0.1]) by mail2.ietf.org (Postfix) with ESMTP id 7E3671344CFA5; Wed, 2 Sep 2026 16:15:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ietf.org; s=ietf1; t=1788390936; bh=VgTpTeo6gpLu27k7qhE5cqelh/ZRxnOrnRtg4c3yAoo=; h=Date:From:To:Cc:In-Reply-To:References:Subject; b=sNoLBUR5NYvOzXG4Q1L8/rE10Qvj77U8NijASvVUJefswIIc+UrY3gi4SDE1dP7Hb K5TeXprve5vChvw4Chrn/azsmThaH2bosVD3g7WOLT8/cJIe5BqwaRK3H/e0foqUYI zf/jv+BURIQy3yT1H0ps8dvV/JhaAhQF8Jyd8YbY= X-Virus-Scanned: amavisd-new at ietf.org X-Spam-Flag: NO X-Spam-Score: -1.895 X-Spam-Level: X-Spam-Status: No, score=-1.895 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail2.ietf.org ([166.84.6.31]) by localhost (mail2.ietf.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cl4jkbo0-gcW; Wed, 2 Sep 2026 16:15:35 -0700 (PDT) Received: from sender4-op-o12.zoho.com (sender4-op-o12.zoho.com [136.143.188.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail2.ietf.org (Postfix) with ESMTPS id 91EB41344CF99; Wed, 2 Sep 2026 16:15:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1788390930; cv=none; d=zohomail.com; s=zohoarc; b=iTOpynFG+hIQIesuY4WoH6uiQ9KluyVGfx3RHpJ5i5zgX6qI6zo7nTNGwJvJ0sWVJeLLTgnOUrAsTLyfebwLeEM/jcs3qbhq8hxMRRPpzTZmI0zLSJ6rRsSggsi/fkSYLbBaYJKKa0kbUgbcVPW2lZLQCSVgfC2Em2dV5kzU0Zg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1788390930; h=Content-Type:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=opvBp3Qz9xtx4ywnppf0OaZT1/3bXKGhl3bu4y1rOEY=; b=BoTIIR6pG0hXID0iK7VDrzHoAIatrjVWuMgbgFiAezNbrgvcaojOtSrCRRXKyf8aaWwJZv+I7npW+OhZIr7uBPUfOdU5wRlFC+Z79HWsPuG1kxtUZZJFqIZfEyNqk+T0L3O7X0z3TrxFPNu37FbVyNUm/TosBQMzYV/iOBToD08= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass smtp.mailfrom=ietf@grogsletters.cc; dmarc=pass header.from= Received: from mail.zoho.com by mx.zohomail.com with SMTP id 1788390930284275.81955042451864; Wed, 2 Sep 2026 16:15:30 -0700 (PDT) Received: from mail.zoho.com by mx.zohomail.com with SMTP id 1788390927939251.9844617199941; Wed, 2 Sep 2026 16:15:27 -0700 (PDT) Date: Wed, 02 Sep 2026 18:15:27 -0500 From: Camilo Cardona To: "Paolo Lucente" Message-Id: <1a06467edae.b7f70521586040.2153513900561697947@grogsletters.cc> In-Reply-To: <178830662170.443083.12308237302245411459@dt-datatracker-6669c7b496-s9mrn> References: <178830662170.443083.12308237302245411459@dt-datatracker-6669c7b496-s9mrn> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_5441067_1125162887.1788390927790" Importance: Medium User-Agent: Zoho Mail X-Mailer: Zoho Mail Message-ID-Hash: GWTKVL45DNCK56YSOOGEICLZLIKSBNAA X-Message-ID-Hash: GWTKVL45DNCK56YSOOGEICLZLIKSBNAA X-MailFrom: ietf@grogsletters.cc X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-grow.ietf.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: grow , grow-chairs , draft-spaghetti-grow-downgrade-bgp-community X-Mailman-Version: 3.3.9rc6 Precedence: list Subject: =?utf-8?q?=5BGROW=5D_Re=3A_Call_for_adoption=3A_draft-spaghetti-grow-downgra?= =?utf-8?q?de-bgp-community-00_=28Ends_2026-09-18=29?= List-Id: Grow Working Group Mailing List Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: ------=_Part_5441067_1125162887.1788390927790 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit I support adoption of this draft. Desde: Paolo Lucente via Datatracker Para: , , Fecha: mar, 01 sept 2026 18:50:21 -0500 Asunto: [GROW] Call for adoption: draft-spaghetti-grow-downgrade-bgp-community-00 (Ends 2026-09-18) This message starts a grow WG Call for Adoption of: draft-spaghetti-grow-downgrade-bgp-community-00 This Working Group Call for Adoption ends on 2026-09-18 Abstract: This document outlines a method to mitigate Denial of Service (DoS) attacks by using a well-known BGP community named "DOWNGRADE" as signal to neighboring networks to treat traffic destined towards "DOWNGRADE" tagged IP prefixes with low precedence. The "downgrade" strategy offers an appealing alternative to Remote Triggered Blackhole (RTBH) filtering, because RTBH filtering completes the DoS attack and hampers the defender's ability to monitor whether the attack is still ongoing. Please reply to this message and indicate whether or not you support adoption of this Internet-Draft by the grow WG. Comments to explain your preference are greatly appreciated. Please reply to all recipients of this message and include this message in your response. Authors, and WG participants in general, are reminded of the Intellectual Property Rights (IPR) disclosure obligations described in BCP 79 [2]. Appropriate IPR disclosures required for full conformance with the provisions of BCP 78 [1] and BCP 79 [2] must be filed, if you are aware of any. Sanctions available for application to violators of IETF IPR Policy can be found at [3]. Thank you. [1] https://datatracker.ietf.org/doc/bcp78/ [2] https://datatracker.ietf.org/doc/bcp79/ [3] https://datatracker.ietf.org/doc/rfc6701/ The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-spaghetti-grow-downgrade-bgp-community/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-spaghetti-grow-downgrade-bgp-community-00.html _______________________________________________ GROW mailing list -- mailto:grow@ietf.org To unsubscribe send an email to mailto:grow-leave@ietf.org ------=_Part_5441067_1125162887.1788390927790 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =
I support adoption of this draft.



Desde: Paolo Lucente via Datatrack= er <noreply@ietf.org>
Para: <grow@ietf.org>, <grow-chairs= @ietf.org>, <draft-spaghetti-grow-downgrade-bgp-community@ietf.org>= ;
Fecha: mar, 01 sept 2026 18:50:21 -0500
Asunto: [GROW] Call for ado= ption: draft-spaghetti-grow-downgrade-bgp-community-00 (Ends 2026-09-18)

This message starts a grow WG Call for Adoption of:
draft-sp= aghetti-grow-downgrade-bgp-community-00

This Working Group Call fo= r Adoption ends on 2026-09-18

Abstract:
This document outline= s a method to mitigate Denial of Service (DoS)
attacks by using a well= -known BGP community named "DOWNGRADE" as
signal to neighboring networ= ks to treat traffic destined towards
"DOWNGRADE" tagged IP prefixes wi= th low precedence. The "downgrade"
strategy offers an appealing alter= native to Remote Triggered
Blackhole (RTBH) filtering, because RTBH fi= ltering completes the DoS
attack and hampers the defender's ability to= monitor whether the
attack is still ongoing.

Please reply to= this message and indicate whether or not you support adoption
of this = Internet-Draft by the grow WG. Comments to explain your preference
are = greatly appreciated. Please reply to all recipients of this message and include this message in your response.

Authors, and WG participan= ts in general, are reminded of the Intellectual
Property Rights (IPR) d= isclosure obligations described in BCP 79 [2].
Appropriate IPR disclosu= res required for full conformance with the provisions
of BCP 78 [1] and= BCP 79 [2] must be filed, if you are aware of any.
Sanctions available= for application to violators of IETF IPR Policy can be
found at [3]. <= br>
Thank you.
[1] https://datatracker.ietf.org/doc/bcp78/
[2] <= a href=3D"https://datatracker.ietf.org/doc/bcp79/" target=3D"_blank">https:= //datatracker.ietf.org/doc/bcp79/
[3] https://datatracker.ietf.org/doc= /rfc6701/

The IETF datatracker status page for this Internet-D= raft is:
https://datatracker.ietf.org= /doc/draft-spaghetti-grow-downgrade-bgp-community/

There is al= so an HTML version available at:
https://www.ietf.org/archive/id/draft-spaghetti-grow-downgrade-bgp-commun= ity-00.html

_______________________________________________GROW mailing list -- gr= ow@ietf.org
To unsubscribe send an email to grow-leave@ietf.org


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