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Subject: RE: [sca-assembly] New Issue: Remove dependencies on SCA Policy and SCA WS Binding
“It's also worth noting that the original two proposals were to decouple Assembly from the Web Services binding and Policy. It does not necessarily follow that WSDL constraints should be removed from Assembly, although that would not be a bad thing.” I agree with Jim. It’s worth to emphasize that: a) The question on the call has been whether Siemens would see interface description of remotable interfaces using wsdl as useful (since we support the decoupling of assembly spec from WS binding and people wanted to know how far we’d like to go). My answer was and is: No (IMO even for enterprise use cases). b) But as to the question whether I’d see it as absolutely necessary to be done together with decoupling of assembly and WS binding: No. Most important for us is to start moving, decouple the specs and release them as soon as possible. By doing so we’d ensure that this great standard and great work put into it can continue to evolve.
We can revisit the even better solution later (after as Eric said, gaining more feedback and experience from real use cases) under better circumstances.
Philipp
From: sca-assembly@lists.oasis-open.org [mailto:sca-assembly@lists.oasis-open.org]
On Behalf Of Jim Marino
Hi,
As I mentioned in the discussion on Tuesday and as I understand Eric's points, WSDL really isn't a "core" (understood as "indispensable"/"central",etc.) Assembly concept: it is a specific constraint for a particular situation. In fact, SCA originally did not require WSDL mappings in any form prior to OASIS. This constraint was added after the fact. This is one set of evidence that WSDL is not critical to Assembly.
The other evidence is empirical: Fabric3 does not rely on WSDL. Like Web Services and Policy, it can simply be removed and forgotten. The runtime will continue to work (actually, more efficiently :-)).
It's also worth noting that the original two proposals were to decouple Assembly from the Web Services binding and Policy. It does not necessarily follow that WSDL constraints should be removed from Assembly, although that would not be a bad thing.
I've already provided evidence in the form of the Fabric3 runtime that decoupling Assembly from WS-* and Policy is not only practical but can be done in a very simple way. A few people have made the contrary claim that Assembly is inextricably tied to Policy and WS-*. Can someone offer specific technical examples as evidence of why those specifications must be coupled?
Jim
On Thu, Sep 19, 2013 at 8:57 PM, Martin Chapman <martin.chapman@oracle.com> wrote: Eric,
You missed the discussion on Tuesday. The question was whether 1) it is possible to decouple and 2) whether to do the decoupling in v1.1 or v1.2. Doing it in v1.1 MAY require work other than just playing around with conformance clauses.
Martin.
From: Eric Johnson [mailto:eric@tibco.com]
Hi Martin, On 9/19/13 10:07 AM, Martin Chapman wrote:
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