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Subject: Re: [sca-bindings] ISSUE 2 - Callback support over the Web Servicebinding
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. > > 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. > Question: I thought the reference to WS-Addressing was not necessarily about the particular element name, but about the use of the wsa:EndpointReferenceType? Do we use the same concept, not the exact syntax of ReplyTo, which, as you mention, has potential weird interpretations. We could, for example, use the element wsa:EndpointReference, or define an element of our own that has the same type. I don't have any particular concrete proposal here, either, alas. -Eric. > Michael > > -----Original Message----- > From: Eric Johnson [mailto:eric@tibco.com] > Sent: Monday, October 01, 2007 12:16 PM > To: sca-bindings@lists.oasis-open.org > 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 > >> >> >> >> >> >>
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