--- 1/draft-ietf-grow-wkc-behavior-07.txt 2019-06-13 09:15:30.560794330 -0700 +++ 2/draft-ietf-grow-wkc-behavior-08.txt 2019-06-13 09:15:31.580820046 -0700 @@ -1,23 +1,23 @@ Network Working Group J. Borkenhagen Internet-Draft AT&T Updates: 1997 (if approved) R. Bush Intended status: Standards Track IIJ & Arrcus -Expires: December 12, 2019 R. Bonica +Expires: December 15, 2019 R. Bonica Juniper Networks S. Bayraktar Cisco Systems - June 10, 2019 + June 13, 2019 Well-Known Community Policy Behavior - draft-ietf-grow-wkc-behavior-07 + draft-ietf-grow-wkc-behavior-08 Abstract Well-Known BGP Communities are manipulated differently across various current implementations; resulting in difficulties for operators. Network operators should deploy consistent community handling across their networks while taking the inconsistent behaviors from the various BGP implementations into consideration.. This document recommends specific actions to limit future inconsistency, namely BGP implementors must not create further inconsistencies from this point @@ -38,21 +38,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on December 12, 2019. + This Internet-Draft will expire on December 15, 2019. Copyright Notice Copyright (c) 2019 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents @@ -190,31 +190,31 @@ is not formally a Well-Known Community as it is not in [IANA-WKC]; but taken from the Reserved range [0x00000000-0x0000FFFF]. This merely notes an inconsistency. It is not a plea to 'protect' the entire IANA list from "set community." 5. Note for Those Writing RFCs for New Community-Like Attributes When establishing new [RFC1997]-like attributes (large communities, wide communities, etc.), RFC authors should state explicitly how the - > new attribute is to be handled. + new attribute is to be handled. 6. Action Items Network operators are encouraged to limit their use of the "set" directive (within reason), to improve consistency across platforms. Unfortunately, it would be operationally disruptive for vendors to change their current implementations. - Vendors SHOULD clearly document the behavior of "set" directive in + Vendors MUST clearly document the behavior of "set" directive in their implementations. Vendors MUST ensure that their implementations' "set" directive treatment of any specific community does not change if/when that community becomes a new Well-Known Community through future standardization. For most implementations, this means that the "set" directive MUST continue to remove the community; for those implementations where the "set" directive removes no communities, that behavior MUST continue.