Michael Rowley wrote:
> One problem with using WS-Addressing wsa:ReplyTo is that it is usually
> used to send the response message of a request/response pair. I don't
> think that WS-Address forbids its use for subsequent messages
> (callbacks), but it would at least be unconventional.
>
[khanderao] IMHO WS-Addressing does not make any assumptions on the
number of returned messages. It is upto the integration scenario to have
one or many.
> However, if we can't use wsa:ReplyTo, that would seem to imply that we
> have to devise our own header to use, but that would be getting
> dangerously close to inventing a wire-level protocol, which we don't
> want to be doing.
>
[khanderao] Introducing SCA specific correlation / replyTo parameters
would not be essential. As far as possible we should be using the
available standards, like WSA / WS-Coordination etc..
> Michael
>
> -----Original Message-----
> From: Eric Johnson [mailto:]
> Sent: Monday, October 01, 2007 12:16 PM
> To:
> Subject: Re: [sca-bindings] NEW ISSUE: Callback support over the Web
> Service binding
>
> Created as: http://www.osoa.org/jira/browse/BINDINGS-2
>
> -Eric.
>
> Simon Nash wrote:
>
>> TARGET:
>>
>> Web Service Binding specification, section TBD
>>
>> DESCRIPTION:
>>
>> The Web Service binding provides no example or suggestion for how SCA
>> callback semantics could be carried over Web services. There is an
>> example in section 2.2.3 for how conversation semantics could be
>> supported. It would be good to give some guidance (somewhere in the
>>
> range
>
>> between example and normative) for what could be done for callbacks.
>>
> One
>
>> possibility is to make use of the capabilities provided by
>>
> WS-Addressing.
>
>> PROPOSAL:
>>
>> None yet.
>>
>>
>>
>>
>>
>>
>> Unless stated otherwise above:
>> IBM United Kingdom Limited - Registered in England and Wales with
>>
> number
>
>> 741598.
>> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6
>>
> 3AU
>
>>
>>
>>
>>
>>
>>