Re: [ws-dd] Issue 042 - DPWS - Allow use of replyTo with non-anonymousaddresses

[Antoine Mensch <antoine.mensch@odonata.fr>]

Additional info:
Impact: Implementation change
Urgency: Medium
Priority: Medium


Ram Jeyaraman a écrit :
> This issue is assigned the number 042. For further discussions on this issue, please refer to this issue number or use this thread.
>
> -----Original Message-----
> From: Antoine Mensch [mailto:antoine.mensch@odonata.fr]
> Sent: Tuesday, September 16, 2008 3:52 PM
> To: Ram Jeyaraman
> Subject: NEW Issue - Allow use of replyTo with non-anonymous addresses
>
> Please defer discussions on this issue until a time this issue is
> accepted and is assigned a number.
>
> Document: DPWS
> Location (defaults to line number): 254
> Owner: Antoine Mensch
>
> Description:
> R0031 prohibits the use of the replyTo header with a value different
> from the "anonymous" URI. This restriction appeared in the latest
> version of the DPWS spec (it used to be a MAY reject). We have used this
> feature in our implementation and applications to support an
> "asynchronous" request/reply behavior, where the response is delivered
> to the sender through a different HTTP connection than the one used for
> the request. This behavior is very useful in case of electromechanical
> devices, which do not have instantaneous responses to commands. We would
> like to see this possibility back in the profile, especially since in
> our experience, the implementation of this feature is very similar to
> the one of WS-Eventing notifications, and requires only a very small
> amount of code in addition to the WS-Eventing code.
> Alternatively, we should limit the restriction to apply only for the
> standard SOAP1.2 HTTP binding, leaving the door open to other bindings
> (based or not on HTTP) better adapted to the specific requirements of
> devices (standardizing such additional bindings should probably be left
> to future work or domain-specific standards).
> Proposed resolution:
>
>
>
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