draft-ietf-6lo-paging-dispatch-01.txt   draft-ietf-6lo-paging-dispatch-02.txt 
6lo P. Thubert, Ed. 6lo P. Thubert, Ed.
Internet-Draft Cisco Internet-Draft Cisco
Updates: 4944 (if approved) January 15, 2016 Updates: 4944 (if approved) R. Cragie
Intended status: Standards Track Intended status: Standards Track ARM
Expires: July 18, 2016 Expires: January 19, 2017 July 18, 2016
6LoWPAN Paging Dispatch 6LoWPAN Paging Dispatch
draft-ietf-6lo-paging-dispatch-01 draft-ietf-6lo-paging-dispatch-02
Abstract Abstract
This specification introduces a new context switch mechanism for This specification introduces a new context switch mechanism for
6LoWPAN compression, expressed in terms of Pages and signaled by a 6LoWPAN compression, expressed in terms of Pages and signaled by a
new Paging Dispatch. new Paging Dispatch.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on July 18, 2016. This Internet-Draft will expire on January 19, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2016 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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3. Updating RFC 4944 . . . . . . . . . . . . . . . . . . . . . . 3 3. Updating RFC 4944 . . . . . . . . . . . . . . . . . . . . . . 3
4. Page 1 Paging Dispatch . . . . . . . . . . . . . . . . . . . 4 4. Page 1 Paging Dispatch . . . . . . . . . . . . . . . . . . . 4
5. Security Considerations . . . . . . . . . . . . . . . . . . . 4 5. Security Considerations . . . . . . . . . . . . . . . . . . . 4
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 4
6.1. Consuming Dispatch Types . . . . . . . . . . . . . . . . 5 6.1. Consuming Dispatch Types . . . . . . . . . . . . . . . . 5
6.2. New Per-Page Dispatch Type registries . . . . . . . . . . 5 6.2. New Per-Page Dispatch Type registries . . . . . . . . . . 5
7. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 5 7. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 5
8. References . . . . . . . . . . . . . . . . . . . . . . . . . 5 8. References . . . . . . . . . . . . . . . . . . . . . . . . . 5
8.1. Normative References . . . . . . . . . . . . . . . . . . 5 8.1. Normative References . . . . . . . . . . . . . . . . . . 5
8.2. Informative References . . . . . . . . . . . . . . . . . 6 8.2. Informative References . . . . . . . . . . . . . . . . . 6
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 6 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 6
1. Introduction 1. Introduction
The design of Low Power and Lossy Networks (LLNs) is generally The design of Low Power and Lossy Networks (LLNs) is generally
focused on saving energy, which often is a very constrained resource. focused on saving energy, which often is a very constrained resource.
Other constraints, such as memory capacity and duty cycle Other constraints, such as memory capacity and duty cycle
restrictions on LLN devices, usually derive from that primary restrictions on LLN devices, usually derive from that primary
concern. Energy is often available only from primary batteries that concern. Energy is often available only from primary batteries that
are expected to last for years, or is scavenged from the environment are expected to last for years, or is scavenged from the environment
in very limited amounts. Any protocol that is intended for use in in very limited amounts. Any protocol that is intended for use in
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As described above, this document allocates in the registry As described above, this document allocates in the registry
associated to Page 1 the Per-Page Dispatch type field values that are associated to Page 1 the Per-Page Dispatch type field values that are
allocated in the Dispatch type field for LOWPAN_IPHC by [RFC6282]. allocated in the Dispatch type field for LOWPAN_IPHC by [RFC6282].
Those values are from 01 100000 through 01 111111 and they have the Those values are from 01 100000 through 01 111111 and they have the
same definition in Page 1 as they do in Page 0, meaning that the same definition in Page 1 as they do in Page 0, meaning that the
registries for Page 0 and Page 1 are an exact overlap in this range. registries for Page 0 and Page 1 are an exact overlap in this range.
7. Acknowledgments 7. Acknowledgments
The authors wish to thank Thomas Watteyne, Tengfei Chang, Martin The authors wish to thank Tom Phinney, Thomas Watteyne, Tengfei
Turon, James Woodyatt, Samita Chakrabarti, Jonathan Hui, Gabriel Chang, Martin Turon, James Woodyatt, Samita Chakrabarti, Jonathan
Montenegro and Ralph Droms for constructive reviews to the design in Hui, Gabriel Montenegro and Ralph Droms for constructive reviews to
the 6lo Working Group. the design in the 6lo Working Group.
8. References 8. References
8.1. Normative References 8.1. Normative References
[IEEE802154] [IEEE802154]
IEEE standard for Information Technology, "IEEE std. IEEE standard for Information Technology, "IEEE std.
802.15.4, Part. 15.4: Wireless Medium Access Control (MAC) 802.15.4, Part. 15.4: Wireless Medium Access Control (MAC)
and Physical Layer (PHY) Specifications for Low-Rate and Physical Layer (PHY) Specifications for Low-Rate
Wireless Personal Area Networks", 2015. Wireless Personal Area Networks", 2015.
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[RFC7102] Vasseur, JP., "Terms Used in Routing for Low-Power and [RFC7102] Vasseur, JP., "Terms Used in Routing for Low-Power and
Lossy Networks", RFC 7102, DOI 10.17487/RFC7102, January Lossy Networks", RFC 7102, DOI 10.17487/RFC7102, January
2014, <http://www.rfc-editor.org/info/rfc7102>. 2014, <http://www.rfc-editor.org/info/rfc7102>.
[RFC7228] Bormann, C., Ersue, M., and A. Keranen, "Terminology for [RFC7228] Bormann, C., Ersue, M., and A. Keranen, "Terminology for
Constrained-Node Networks", RFC 7228, Constrained-Node Networks", RFC 7228,
DOI 10.17487/RFC7228, May 2014, DOI 10.17487/RFC7228, May 2014,
<http://www.rfc-editor.org/info/rfc7228>. <http://www.rfc-editor.org/info/rfc7228>.
Author's Address Authors' Addresses
Pascal Thubert (editor) Pascal Thubert (editor)
Cisco Systems Cisco Systems
Building D - Regus Building D - Regus
45 Allee des Ormes 45 Allee des Ormes
BP1200 BP1200
MOUGINS - Sophia Antipolis 06254 MOUGINS - Sophia Antipolis 06254
FRANCE FRANCE
Phone: +33 4 97 23 26 34 Phone: +33 4 97 23 26 34
Email: pthubert@cisco.com Email: pthubert@cisco.com
Robert Cragie
ARM Ltd.
110 Fulbourn Road
Cambridge CB1 9NJ
UK
Email: robert.cragie@gridmerge.com
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