A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : CoAP option for no server-response
Author(s) : Abhijan Bhattacharyya
Soma Bandyopadhyay
Arpan Pal
Filename : draft-tcs-coap-no-response-option-01.txt
Pages : 10
Date : 2013-09-06
Abstract:
The server end-point does not respond with acknowledgment (ACK) in
non-confirmable (NON) mode of CoAP. However, the server responds the
client with a status code indicating "the result of the attempt to
understand and satisfy the request". But there may be typical
scenarios, while updating resources in NON mode, where any kind of
response from the server may be considered redundant. Thus, in this
case, the transaction becomes completely open-loop with no reverse
path from the server to the client. This kind of exchange may be
useful in constrained systems looking for maximized throughput with
minimized resource consumption. This draft introduces a header
option: 'No-Resp' to suppress responses from the server and
discusses an exemplary but practical use case which actually
motivated this proposition based on real experience. This option not
only allows suppressing any kind of responses but allows suppressing
a typical class or a combination of classes of responses. This
option is applicable for both request/ response as well as resource-
observe mode and may be effective for both unicast and multicast
scenarios.
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-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-tcs-coap-no-response-option-01
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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