CoAp Management Interfaces
draft-vanderstok-core-comi-01

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Authors Peter Van der Stok  , Bert Greevenbosch 
Last updated 2013-10-17
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core                                                     P. van der Stok
Internet-Draft                                                consultant
Intended status: Informational                           B. Greevenbosch
Expires: April 20, 2014                              Huawei Technologies
                                                        October 17, 2013

                       CoAp Management Interfaces
                     draft-vanderstok-core-comi-01

Abstract

   The draft describes an interface based on CoAP to manage constrained
   devices via MIBs.  The proposed integration of CoAP with SNMP reduces
   the code- and application development complexity by accessing MIBs
   via a standard CoAP server.  The payload of the MIB request is JSON,
   CBOR or XML (EXI).  The mapping from SMI to XML, JSON and CBOR is
   specified.

Note

   Discussion and suggestions for improvement are requested, and should
   be sent to core@ietf.org.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
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Copyright Notice

   Copyright (c) 2013 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

van der Stok & GreevenbosExpires April 20, 2014                 [Page 1]
Internet-Draft                    CoMI                      October 2013

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  CoAP Interface  . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  MIB Function Set  . . . . . . . . . . . . . . . . . . . . . .   6
     3.1.  SNMP/MIB architecture . . . . . . . . . . . . . . . . . .   6
       3.1.1.  SNMP functions  . . . . . . . . . . . . . . . . . . .   6
       3.1.2.  MIB structure . . . . . . . . . . . . . . . . . . . .   7
     3.2.  CoMI Function Set . . . . . . . . . . . . . . . . . . . .   8
       3.2.1.  Single MIB values . . . . . . . . . . . . . . . . . .   8
       3.2.2.  multi MIB values  . . . . . . . . . . . . . . . . . .  10
       3.2.3.  Table row . . . . . . . . . . . . . . . . . . . . . .  10
       3.2.4.  Error returns . . . . . . . . . . . . . . . . . . . .  11
   4.  Mapping SMI to CoMI payload . . . . . . . . . . . . . . . . .  11
     4.1.  Mapping SMI to JSON . . . . . . . . . . . . . . . . . . .  11
       4.1.1.  Tables in JSON  . . . . . . . . . . . . . . . . . . .  13
     4.2.  Mapping SMI to CBOR . . . . . . . . . . . . . . . . . . .  14
       4.2.1.  Tables in CBOR  . . . . . . . . . . . . . . . . . . .  15
     4.3.  Mapping SMI to XML  . . . . . . . . . . . . . . . . . . .  19
       4.3.1.  Tables in XML . . . . . . . . . . . . . . . . . . . .  20
   5.  MIB discovery . . . . . . . . . . . . . . . . . . . . . . . .  21
   6.  Trap functions  . . . . . . . . . . . . . . . . . . . . . . .  22
   7.  MIB access management . . . . . . . . . . . . . . . . . . . .  22
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  23
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  23
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  23
   11. Changelog . . . . . . . . . . . . . . . . . . . . . . . . . .  23
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  24
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  24
     12.2.  Informative References . . . . . . . . . . . . . . . . .  24
   Appendix A.  XML Schema for MIB . . . . . . . . . . . . . . . . .  27
   Appendix B.  XML Schema for CoMI support  . . . . . . . . . . . .  29
     B.1.  Schema for CoAP binding . . . . . . . . . . . . . . . . .  29
     B.2.  Valid Schemas . . . . . . . . . . . . . . . . . . . . . .  30
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  30
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