BMP for BGP Route Leak Detection
draft-gu-grow-bmp-route-leak-detection-03

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Last updated 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
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 9, 2020.

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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

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   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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