A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Constrained RESTful Environments Working Group of the IETF.
Title : Constrained Application Protocol (CoAP)
Author(s) : Zach Shelby
Klaus Hartke
Carsten Bormann
Brian Frank
Filename : draft-ietf-core-coap-11.txt
Pages : 100
Date : 2012-07-16
Abstract:
The Constrained Application Protocol (CoAP) is a specialized web
transfer protocol for use with constrained nodes and constrained
(e.g., low-power, lossy) networks. The nodes often have 8-bit
microcontrollers with small amounts of ROM and RAM, while constrained
networks such as 6LoWPAN often have high packet error rates and a
typical throughput of 10s of kbit/s. The protocol is designed for
machine-to-machine (M2M) applications such as smart energy and
building automation.
CoAP provides a request/response interaction model between
application end-points, supports built-in discovery of services and
resources, and includes key concepts of the Web such as URIs and
Internet media types. CoAP easily interfaces with HTTP for
integration with the Web while meeting specialized requirements such
as multicast support, very low overhead and simplicity for
constrained environments.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-core-coap
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-core-coap-11
A diff from previous version is available at:
http://tools.ietf.org/rfcdiff?url2=draft-ietf-core-coap-11
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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