IEEE802.15.4 Informational Element encapsulation of 6tisch Join and Enrollment Information
draft-ietf-6tisch-enrollment-enhanced-beacon-02
6lo Working Group D. Dujovne
Internet-Draft Universidad Diego Portales
Intended status: Standards Track M. Richardson
Expires: September 26, 2019 Sandelman Software Works
March 25, 2019
IEEE802.15.4 Informational Element encapsulation of 6tisch Join and
Enrollment Information
draft-ietf-6tisch-enrollment-enhanced-beacon-02
Abstract
In TSCH mode of IEEE802.15.4, as described by [RFC8180],
opportunities for broadcasts are limited to specific times and
specific channels. Nodes in a TSCH network typically frequently send
Enhanced Beacon (EB) frames to announce the presence of the network.
This document provides a mechanism by which small details critical
for new nodes (pledges) and long sleeping nodes may be carried within
the Enhanced Beacon.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on September 26, 2019.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 2
1.2. Layer-2 Synchronization . . . . . . . . . . . . . . . . . 3
1.3. Layer-3 synchronization IPv6 Router solicitations and
advertisements . . . . . . . . . . . . . . . . . . . . . 3
2. Protocol Definition . . . . . . . . . . . . . . . . . . . . . 4
3. Security Considerations . . . . . . . . . . . . . . . . . . . 5
4. Privacy Considerations . . . . . . . . . . . . . . . . . . . 6
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 6
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 6
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.1. Normative References . . . . . . . . . . . . . . . . . . 6
7.2. Informative References . . . . . . . . . . . . . . . . . 7
Appendix A. Change history . . . . . . . . . . . . . . . . . . . 8
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8
1. Introduction
[RFC7554] describes the use of the time-slotted channel hopping
(TSCH) mode of [ieee802154]. As further details in [RFC8180], an
Enhanced Beacon is transmitted during a slot designated a broadcast
slot.
EDNOTE: Explain why broadcasts are rare, and why we need them. What
the Enhanced Beacon is, and what Information Elements are, and how
the IETF has a subtype for that area. Explain what kind of things
could be placed in Information Elements, how big they could be, and
how they could be compressed.
1.1. Terminology
In this document, the key words "MUST", "MUST NOT", "REQUIRED",
"SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY",
and "OPTIONAL" are to be interpreted as described in BCP 14, RFC 2119
[RFC2119] and indicate requirement levels for compliant STuPiD
implementations.
Other terminology can be found in [I-D.ietf-6tisch-architecture] in
section 2.1.
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1.2. Layer-2 Synchronization
As explained in section 6 of [RFC8180], the Enhanced Beacon has a
number of purposes: synchronization of ASN and Join Metric, timeslot
template identifier, the channel hopping sequence identifier, TSCH
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