BMP for BGP Route Leak Detection
draft-gu-grow-bmp-route-leak-detection-04
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2020-09-10
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Network Working Group Y. Gu
Internet-Draft Huawei
Intended status: Standards Track H. Chen
Expires: March 15, 2021 China Telecom Co., Ltd.
D. Ma
ZDNS
S. Zhuang
Huawei
September 11, 2020
BMP for BGP Route Leak Detection
draft-gu-grow-bmp-route-leak-detection-04
Abstract
According to RFC7908 [RFC7908], Route leaks refer to the case that
the delivery range of route advertisements is beyond the expected
range. For many current security protection solutions, the ISPs
(Internet Service Providers) are focusing on finding ways to prevent
the happening of BGP [RFC4271] route leaks. However, the real-time
route leak detection if any occurs is important as well, and serves
as the basis for leak mitigation. This document extends the BGP
Monitoring Protocol (BMP) [RFC7854] to provide a routing security
scheme suitable for ISPs to detect BGP route leaks at the prefix
level.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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."
Gu, et al. Expires March 15, 2021 [Page 1]
Internet-Draft Route Leak Detection September 2020
This Internet-Draft will expire on March 15, 2021.
Copyright Notice
Copyright (c) 2020 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
carefully, as they describe your rights and restrictions with respect
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described in the Simplified BSD License.
Table of Contents
1. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Actions Against Route Leaks . . . . . . . . . . . . . . . 3
2.2. Challenges of the Current Actions against Route Leaks . . 4
3. Route Leak Detection (RLD) Design Considerations . . . . . . 5
4. BMP Support for RLD . . . . . . . . . . . . . . . . . . . . . 5
4.1. RLD TLV Format . . . . . . . . . . . . . . . . . . . . . 5
4.2. RLD TLV Usage . . . . . . . . . . . . . . . . . . . . . . 6
4.3. Coordination with iOTC and RLP . . . . . . . . . . . . . 7
5. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 8
6. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 8
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
8. Security Considerations . . . . . . . . . . . . . . . . . . . 8
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 9
9.1. Normative References . . . . . . . . . . . . . . . . . . 9
9.2. Informative References . . . . . . . . . . . . . . . . . 9
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 10
1. Terminology
BMP: BGP Monitoring Protocol
BMS: BGP Monitoring Station
C2P: Customer to Provider
ISP: Internet Service Provider
P2C: Provider to Customer
Gu, et al. Expires March 15, 2021 [Page 2]
Internet-Draft Route Leak Detection September 2020
P2P: Peer to Peer
RIB: Routing Information Base
RLP: Route Leak Protection
RLD: Route Leak Detection
2. Introduction
RFC7908 [RFC7908]defines "Route Leak" as: A route leak is the
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