BMP for BGP Route Leak Detection
draft-gu-grow-bmp-route-leak-detection-03
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2019-07-08
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Network Working Group Y. Gu
Internet-Draft Huawei
Intended status: Standards Track H. Chen
Expires: January 9, 2020 China Telecom Co., Ltd.
D. Ma
ZDNS
S. Zhuang
Huawei
July 8, 2019
BMP for BGP Route Leak Detection
draft-gu-grow-bmp-route-leak-detection-03
Abstract
According to RFC7908 [RFC7908], Route leaks refer to 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 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."
This Internet-Draft will expire on January 9, 2020.
Gu, et al. Expires January 9, 2020 [Page 1]
Internet-Draft Route Leak Detection July 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
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
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
P2P: Peer to Peer
RIB: Routing Information Base
Gu, et al. Expires January 9, 2020 [Page 2]
Internet-Draft Route Leak Detection July 2019
RLP: Route Leak Protection
RLD: Route Leak Detection
2. Introduction
RFC 7908 defines "Route Leak" as: A route leak is the propagation of
routing announcement(s) beyond their intended scope, which can result
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