[Idr] I-D Action: draft-ietf-idr-route-leak-detection-mitigation-06.txt

internet-drafts@ietf.org Tue, 07 March 2017 02:59 UTC

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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Inter-Domain Routing of the IETF.

        Title           : Methods for Detection and Mitigation of BGP Route Leaks
        Authors         : Kotikalapudi Sriram
                          Doug Montgomery
                          Brian Dickson
                          Keyur Patel
                          Andrei Robachevsky
	Filename        : draft-ietf-idr-route-leak-detection-mitigation-06.txt
	Pages           : 24
	Date            : 2017-03-06

   RFC 7908 provides a definition of the route leak problem, and also
   enumerates several types of route leaks.  This document first
   examines which of those route-leak types are detected and mitigated
   by the existing origin validation (OV) [RFC 6811].  It is recognized
   that OV offers a limited detection and mitigation capability against
   route leaks.  This document specifies enhancements that significantly
   extend the route-leak prevention, detection, and mitigation
   capabilities of BGP.  One solution component involves intra-AS
   messaging from ingress router to egress router using a BGP Community
   or Attribute.  This intra-AS messaging prevents the AS from causing
   route leaks.  Another solution component involves carrying a per-hop
   route-leak protection (RLP) field in BGP updates.  The RLP fields are
   proposed to be carried in a new optional transitive attribute, called
   BGP RLP attribute.  The RLP attribute helps with detection and
   mitigation of route leaks at ASes downstream from the leaking AS.

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