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Subject: WSDL and hostingRedirector


Just read Using WSDL in a UDDI Registry, Version 2.0...

One unclear thing is the pattern of using hostingRedirector (which seems
to be deprecated by accessPoint in 3.0). Or some other mechanism to
allow "pluggable services":

Imagine use case when we have local UDDI registry, and clients query it
at runtime to figure out what port/address to use to invoke a service.
In reality, there are cases when not only client doesn't know the
address, but it doesn't know which service to use. It only knows
portType/tModel. Querying for ANY service that has matching
bindingTemplate (as often described in introduction-to-uddi documents)
and using it is not desirable, since there might be multiple services
that implement the interface, but system administrator might want to
specify which one should be used by all clients today.

One possible solution for this might be a dedicated dummy service in
UDDI with known name (or key) that clients will use to get
hostingRedirector value. Then clients will do another query to the
determine actual endpoint.

Is there a better way to do this?

Thanks,
Gia




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