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Issue: Why should not there be a relationship among ports in a Service?

From: Prasad Yendluri <pyendluri@webmethods.com>
Date: Mon, 15 Apr 2002 18:55:43 -0700
Message-ID: <3CBB849F.D60C4CE@webmethods.com>
To: www-ws-desc@w3.org
Section 2.7 Services states:

"Ports within a service have the following relationship:

   *   None of the ports communicate with each other (e.g. the output of
     one port is not the input of another)."

This seems to be an unnecessary restriction. What is the justification
for it. Some of the specs that are built on WSDL seem to already violate
this rule. Example excerpt from the XLANG specification:

<service name="StockQuoteProviderService">
                      <port name="pGetRequest"

                      <port name="pSendResponse"

                            <xlang:action operation="AskLastTradePrice"
                              port="pGetRequest" activation="true"/>

I would like to suggest that this restriction is removed..

Thanks, Prasad
Received on Monday, 15 April 2002 21:51:31 UTC

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