Jeremy Boynes wrote:
On Sep 22, 2006, at 12:20 PM, Jim Marino wrote:
If we want interop can't we say use binding.ws since binding.sca
isn't really meant for interop but for optimization and abstraction
of the physical binding? I have a couple of concerns here. The
biggest one is that I don't want to require a web services stack for
the Java runtime (it should be able to run as a very small footprint,
some may not want to use web services). Related to this, we would
then have to select a Java web services stack, which I would like to
avoid.
For Java, I'd actually like to do something where binding.sca is
configurable or potentially not even needed to be specified. For
example, if I'm running on WebLogic, I may want binding.sca to be T3
but if I'm running on Websphere maybe it is some other specialized
protocol. Or, it could be RMI which would run on both.
Jeremy will probably also throw in the question of whether
binding.sca is really needed ;-)
Why do we need binding.sca?
To connect SCA components we have wires. These wires may be remote and
if so we need a physical connection between the machines hosting the
components at either end. We never specify what transport should be
used, although the policies we apply may dictate one. There simply is
no concept of binding in the assembly here.
To connect to non-SCA components we have to use the protocol and
transport they are expecting. Any SCA concept of default is
meaningless - the SCA runtime cannot arbitrarily choose one as it must
match the one the non-SCA service is using.
--
Jeremy
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I don't quite understand. <binding.sca> is in the SCA 0.96 spec. Are you
suggesting that <binding.sca> should be removed from the SCA spec? Has
this been brought up to the SCA assembly spec workgroup?
Are you saying that you are not going to implement a default binding
(with or without a <binding.sca> element) in Tuscany/Java? or just that
you're not going to support <binding.sca>?
--
Jean-Sebastien
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