A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : CoAP option for no server-response
Authors : Abhijan Bhattacharyya
Soma Bandyopadhyay
Arpan Pal
Filename : draft-tcs-coap-no-response-option-08.txt
Pages : 17
Date : 2015-01-21
Abstract:
There can be typical M2M scenarios where responses from server
against request from client might be considered redundant. This kind
of open-loop exchange (with no reverse path from the server to the
client) may be typically desired to minimize resource consumption in
constrained systems while simultaneously updating a bulk of
resources or updating a resource with a very high frequency. CoAP
already provides a non-confirmable (NON) mode of exchange where the
server end-point does not respond with ACK. However, the server end-
point responds back with a status code indicating "the result of the
attempt to understand and satisfy the request".
This draft introduces a header option for CoAP called 'No-Response'.
The option explicitly tells the server to suppress responses about
the state of the resource against the request from the client. This
option also provides granular control by allowing suppression of a
typical class or a combination of classes of responses. This option
may be effective for both unicast and multicast requests. This draft
discusses few exemplary applications which might benefit from this
option.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-tcs-coap-no-response-option/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-tcs-coap-no-response-option-08
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-tcs-coap-no-response-option-08
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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