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Opportunistic Security in MPLS Networks

The information below is for an old version of the document.
Document Type
This is an older version of an Internet-Draft whose latest revision state is "Expired".
Expired & archived
Authors Adrian Farrel , Stephen Farrell
Last updated 2017-03-27 (Latest revision 2016-09-20)
Replaces draft-farrelll-mpls-opportunistic-encrypt
RFC stream Internet Engineering Task Force (IETF)
Additional resources Mailing list discussion
Stream WG state WG Document
Document shepherd Loa Andersson
IESG IESG state Expired
Consensus boilerplate Unknown
Telechat date (None)
Responsible AD (None)
Send notices to "Loa Andersson" <>

This Internet-Draft is no longer active. A copy of the expired Internet-Draft is available in these formats:


This document describes a way to apply opportunistic security between adjacent nodes on an MPLS Label Switched Path (LSP) or between end points of an LSP. It explains how keys may be agreed to enable encryption, and how key identifiers are exchanged in encrypted MPLS packets. Finally, this document describes the applicability of this approach to opportunistic security in MPLS networks with an indication of the level of improved security as well as the continued vulnerabilities. This document does not describe security for MPLS control plane protocols.


Adrian Farrel
Stephen Farrell

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)