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Mesh Link Establishment

Document type: Expired Internet-Draft (individual in int area)
Document stream: IETF
Last updated: 2015-01-24 (latest revision 2014-05-23)
Intended RFC status: Proposed Standard
Other versions: (expired, archived): plain text, pdf, html

IETF State: (None)
Document shepherd: Robert Cragie
Shepherd Write-Up: Last changed 2014-06-08

IESG State: Expired (IESG: Dead)
IANA Review State: IANA - Not OK
IANA Action State: None
Responsible AD: Ted Lemon
IESG Note: Robert Cragie ( is the document shepherd.
Send notices to:,,

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


This document defines the mesh link establishment (MLE) protocol for establishing and configuring secure radio links in IEEE 802.15.4 radio mesh networks. MLE extends IEEE 802.15.4 for use in multihop mesh networks by adding three capabilities: 1) dynamically configuring and securing radio links, 2) enabling network-wide changes to radio parameters, and 3) detecting neighboring devices. MLE operates below the routing layer, insulating it from the details of configuring, securing, and maintaining individual radio links within a larger mesh network.


Richard Kelsey <>

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