| Service vs. Component [message #576642] |
Wed, 02 December 2009 08:55 |
Eclipse User |
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Originally posted by: michael.gebhart.googlemail.com
Hi,
when looking at SCA, of course I see some benefits compared to common
component models. SCA is platform and language neutral. It supports a
lot of bindings etc.
But what is the difference between a component / service in SCA and for
example EJBs or COM etc.? Is a component in SCA a service or more a
component? Since it is not public it seems to be a component. Or could
it be called private service? This results in the central question: What
in SCA is the difference between a component and a service? In SOA,
typically a service is a functionality that is public, coarse grained,
business aligned, autonomous etc. In SCA the service seems to be the
access to a distributed component that does not have to be coarse
grained, public etc.
So, SCA seems to be a more comfortable way to build component based
applications. Only, it is called service now.
Maybe you can help me to understand the benefit here.
Best regards
Michael
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