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Problem Definition and Classification of BGP Route Leaks (RFC7908)

IP.com Disclosure Number: IPCOM000246772D
Original Publication Date: 2016-Jun-01
Included in the Prior Art Database: 2016-Jun-29
Document File: 22 page(s) / 25K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

K. Sriram: AUTHOR [+5]

Abstract

Frequent incidents [Huston2012] [Cowie2013] [Toonk2015-A] [Toonk2015-B] [Cowie2010] [Madory] [Zmijewski] [Paseka] [LRL] [Khare] that result in significant disruptions to Internet routing are commonly called "route leaks". Examination of the details of some of these incidents reveals that they vary in their form and technical details. In order to pursue solutions to "the route-leak problem" it is important to first provide a clear, technical definition of the problem and enumerate its most common forms. Section 2 provides a working definition of route leaks, keeping in view many recent incidents that have received significant attention. Section 3 attempts to enumerate (though not exhaustively) different types of route leaks based on observed events on the Internet. Further, Section 3 provides a taxonomy that covers several forms of route leaks that have been observed and are of concern to the Internet user community as well as the network operator community. This document builds on and extends earlier work in the IETF [ROUTE-LEAK-DEF] [ROUTE-LEAK-REQ].

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Internet Engineering Task Force (IETF)                         K. Sriram Request for Comments: 7908                                 D. Montgomery Category: Informational                                          US NIST ISSN: 2070-1721                                             D. McPherson                                                             E. Osterweil                                                           Verisign, Inc.                                                               B. Dickson                                                                June 2016

         Problem Definition and Classification of BGP Route Leaks

Abstract

   A systemic vulnerability of the Border Gateway Protocol routing    system, known as "route leaks", has received significant attention in    recent years.  Frequent incidents that result in significant    disruptions to Internet routing are labeled route leaks, but to date    a common definition of the term has been lacking.  This document    provides a working definition of route leaks while keeping in mind    the real occurrences that have received significant attention.    Further, this document attempts to enumerate (though not    exhaustively) different types of route leaks based on observed events    on the Internet.  The aim is to provide a taxonomy that covers    several forms of route leaks that have been observed and are of    concern to the Internet user community as well as the network    operator community.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 7841.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7908.

 Sriram, et al.                Informational                     [Page 1]
 RFC 7908              Route-Leak Problem Definition            June 2016

 Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the    document authors.  All rights reserved.

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