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Transport of CoAP over SMS
draft-becker-core-coap-sms-gprs-05

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Last updated: 2014-08-08
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CoRE                                                      M. Becker, Ed.
Internet-Draft                           ComNets, TZI, University Bremen
Intended status: Standards Track                                   K. Li
Expires: February 9, 2015                            Huawei Technologies
                                                          K. Kuladinithi
                                                              T. Poetsch
                                         ComNets, TZI, University Bremen
                                                          August 8, 2014

                       Transport of CoAP over SMS
                   draft-becker-core-coap-sms-gprs-05

Abstract

   Short Message Service (SMS) of mobile cellular networks is frequently
   used in Machine-To-Machine (M2M) communications, such as for
   telematic devices.  The service offers small packet sizes and high
   delays just as other typical low-power and lossy networks (LLNs),
   i.e. 6LoWPANs.  The design of the Constrained Application Protocol
   (CoAP) [RFC7252], that took the limitations of LLNs into account, is
   thus also applicable to other transports.  The adaptation of CoAP to
   SMS transport mechanisms is described in this document.

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 February 9, 2015.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents

Becker, et al.          Expires February 9, 2015                [Page 1]
Internet-Draft                CoAP over SMS                  August 2014

   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Motivation  . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Requirements Language . . . . . . . . . . . . . . . . . . . .   3
   4.  Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . .   4
     4.1.  MO-MT Scenarios . . . . . . . . . . . . . . . . . . . . .   4
     4.2.  MT Scenarios  . . . . . . . . . . . . . . . . . . . . . .   4
     4.3.  MO Scenarios  . . . . . . . . . . . . . . . . . . . . . .   5
   5.  Message Exchanges . . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  Message Exchange for SMS in a Cellular-To-Cellular
           Mobile-Originated and Mobile-Terminated Scenario  . . . .   6
   6.  Encoding Schemes of CoAP for SMS transport  . . . . . . . . .   7
   7.  Message Size Implementation Considerations  . . . . . . . . .   7
   8.  Addressing  . . . . . . . . . . . . . . . . . . . . . . . . .   8
   9.  Options . . . . . . . . . . . . . . . . . . . . . . . . . . .   8
     9.1.  New Options for mixed IP operation. . . . . . . . . . . .   8
   10. URI Scheme  . . . . . . . . . . . . . . . . . . . . . . . . .   9
   11. Transmission Parameters . . . . . . . . . . . . . . . . . . .   9
   12. Multicast . . . . . . . . . . . . . . . . . . . . . . . . . .   9
   13. Security Considerations . . . . . . . . . . . . . . . . . . .   9
   14. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
     14.1.  CoAP Option Number . . . . . . . . . . . . . . . . . . .  10
     14.2.  URI Scheme Registration  . . . . . . . . . . . . . . . .  10
   15. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  10
   16. References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     16.1.  Normative References . . . . . . . . . . . . . . . . . .  10
     16.2.  Informative References . . . . . . . . . . . . . . . . .  11
   Appendix A.  Changelog  . . . . . . . . . . . . . . . . . . . . .  12

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