--- 1/draft-ietf-grow-bmp-tlv-00.txt 2019-10-15 03:13:10.081784556 -0700 +++ 2/draft-ietf-grow-bmp-tlv-01.txt 2019-10-15 03:13:10.121785572 -0700 @@ -1,21 +1,21 @@ Global Routing Operations P. Lucente Internet-Draft NTT Updates: 7854 (if approved) Y. Gu Intended status: Standards Track Huawei -Expires: March 6, 2020 H. Smit +Expires: April 17, 2020 H. Smit Independent - September 3, 2019 + October 15, 2019 TLV support for BMP Route Monitoring and Peer Down Messages - draft-ietf-grow-bmp-tlv-00 + draft-ietf-grow-bmp-tlv-01 Abstract Most of the message types defined by the BGP Monitoring Protocol (BMP) do provision for optional trailing data; however Route Monitoring message (to provide a snapshot of the monitored Routing Information Base) and Peer Down message (to indicate that a peering session was terminated) do not. Supporting optional data in TLV format across all BMP message types allows for an homogeneous and extensible surface that would be useful for the most different use- @@ -32,21 +32,21 @@ 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 March 6, 2020. + This Internet-Draft will expire on April 17, 2020. 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 @@ -59,21 +59,21 @@ Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. TLV encoding . . . . . . . . . . . . . . . . . . . . . . . . 3 4. BMP Message Format . . . . . . . . . . . . . . . . . . . . . 4 4.1. Common Header . . . . . . . . . . . . . . . . . . . . . . 4 4.2. TLV data in Route Monitoring . . . . . . . . . . . . . . 4 4.3. TLV data in Peer Down . . . . . . . . . . . . . . . . . . 4 4.4. TLV data in other BMP messages . . . . . . . . . . . . . 4 - 5. Security Considerations . . . . . . . . . . . . . . . . . . . 4 + 5. Security Considerations . . . . . . . . . . . . . . . . . . . 5 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5 7. Normative References . . . . . . . . . . . . . . . . . . . . 5 Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 6 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 6 1. Introduction The BGP Monitoring Protocol (BMP) is defined in RFC 7854 [RFC7854]. The Route Monitoring message consists of: @@ -162,21 +162,25 @@ o Type = TBD2: the BGP Update PDU is encoded with ADD-PATH capability RFC 7911 [RFC7911], value MUST be boolean. o Type = TBD3: the BGP Update PDU is encoded with Multiple Labels capability RFC 8277 [RFC8277], value MUST be boolean. 4.3. TLV data in Peer Down The Peer Down Notification message type is defined in Section 4.9 of - [RFC7854]. TLV data MAY now follow any Reason code. + [RFC7854]. In case of Reason code 1 and 3, a BGP Notification PDU + follows; the PDU MAY be followed by TLV data. In case of Reason code + 2, a 2-byte field to give additional FSM info follows; this field MAY + be followed by TLV data. For all other Reason codes, TLV data MAY + follow the Reason field. 4.4. TLV data in other BMP messages All other message types defined in RFC7854 [RFC7854] do already provision for TLV data. It is RECOMMENDED that all future BMP message types will provision for trailing TLV data. 5. Security Considerations It is not believed that this document adds any additional security