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Guidelines for HTTP-CoAP Mapping Implementations
draft-castellani-core-advanced-http-mapping-03

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Last updated: 2013-12-23
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CoRE Working Group                                         A. Castellani
Internet-Draft                                      University of Padova
Intended status: Informational                                 S. Loreto
Expires: June 26, 2014                                          Ericsson
                                                               A. Rahman
                                        InterDigital Communications, LLC
                                                              T. Fossati
                                                               KoanLogic
                                                                 E. Dijk
                                                        Philips Research
                                                       December 23, 2013

            Guidelines for HTTP-CoAP Mapping Implementations
             draft-castellani-core-advanced-http-mapping-03

Abstract

   This draft describes advanced features for HTTP-CoAP proxy
   implementors.  It details deployment options, discusses possible
   approaches for URI mapping, and provides useful considerations
   related to protocol translation.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on June 26, 2014.

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
   (http://trustee.ietf.org/license-info) in effect on the date of

Castellani, et al.        Expires June 26, 2014                 [Page 1]
Internet-Draft              HTTP-CoAP Mapping              December 2013

   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.  Terminology and Conventions . . . . . . . . . . . . . . . . .   3
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Use Case: HTTP/IPv4-CoAP/IPv6 Proxy . . . . . . . . . . . . .   3
   4.  Multiple Message Exchanges Mapping  . . . . . . . . . . . . .   6
     4.1.  Relevant Features of Existing Standards . . . . . . . . .   6
       4.1.1.  Multipart Messages  . . . . . . . . . . . . . . . . .   6
       4.1.2.  Immediate Message Delivery  . . . . . . . . . . . . .   6
       4.1.3.  Detailing Source Information  . . . . . . . . . . . .   7
     4.2.  Multicast Mapping . . . . . . . . . . . . . . . . . . . .   7
       4.2.1.  URI Identification and Mapping  . . . . . . . . . . .   7
       4.2.2.  Request Handling  . . . . . . . . . . . . . . . . . .   8
       4.2.3.  Examples  . . . . . . . . . . . . . . . . . . . . . .   8
     4.3.  Multicast Response Caching  . . . . . . . . . . . . . . .  10
     4.4.  Observe Mapping . . . . . . . . . . . . . . . . . . . . .  11
       4.4.1.  Identification  . . . . . . . . . . . . . . . . . . .  11
       4.4.2.  Notification(s) Mapping . . . . . . . . . . . . . . .  13
       4.4.3.  Examples  . . . . . . . . . . . . . . . . . . . . . .  14
   5.  HTML5 Scheme Handler Registration . . . . . . . . . . . . . .  20
   6.  Placement and Deployment  . . . . . . . . . . . . . . . . . .  20
   7.  Examples  . . . . . . . . . . . . . . . . . . . . . . . . . .  21
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  23
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  23
   10. Security Considerations . . . . . . . . . . . . . . . . . . .  23
     10.1.  Cross-protocol Security Policy Mapping . . . . . . . . .  24
     10.2.  Subscription . . . . . . . . . . . . . . . . . . . . . .  24
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .  24
     11.1.  Normative References . . . . . . . . . . . . . . . . . .  24
     11.2.  Informative References . . . . . . . . . . . . . . . . .  25
   Appendix A.  Internal Mapping Functions (from an Implementer's

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