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-08.txt
Pages : 88
Date : 2011-10-31
This document specifies the Constrained Application Protocol (CoAP),
a specialized web transfer protocol for use with constrained networks
and nodes for machine-to-machine applications such as smart energy
and building automation. These constrained nodes often have 8-bit
microcontrollers with small amounts of ROM and RAM, while networks
such as 6LoWPAN often have high packet error rates and a typical
throughput of 10s of kbit/s. CoAP provides a method/response
interaction model between application end-points, supports built-in
resource discovery, and includes key web concepts such as URIs and
content-types. CoAP easily translates to HTTP for integration with
the web while meeting specialized requirements such as multicast
support, very low overhead and simplicity for constrained
environments.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-core-coap-08.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-ietf-core-coap-08.txt
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