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RE: Web services Requirement at the client side in Orchestration

From: Cutler, Roger (RogerCutler) <RogerCutler@chevrontexaco.com>
Date: Thu, 19 Dec 2002 14:31:25 -0600
Message-ID: <7FCB5A9F010AAE419A79A54B44F3718E0162488E@bocnte2k3.boc.chevrontexaco.net>
To: "Pae Choi" <paechoi@earthlink.net>, www-ws-arch@w3.org

I think that the purchasing operation is more an interaction between
peers than it is a client-server-like operation.  That is, the buyer may
send the initial request for information, but then the seller sends in
turn sends various responses and requests for information.  It is a
conversation.

This, of course, is a view based on the scenario of businesses
interacting with each other, which is what the purchasing use case is
pretty much about.  We are NOT really thinking in terms of an individual
purchasing things, in which case it would be much less an interaction
between peers.

I don't think tha B2B purchasing operations taking place through web
services make much sense unless both sides of the interaction are web
services enabled.


-----Original Message-----
From: Pae Choi [mailto:paechoi@earthlink.net] 
Sent: Thursday, December 19, 2002 2:18 PM
To: www-ws-arch@w3.org
Subject: Web services Requirement at the client side in Orchestration



One quick question in [1]the Web Services Architecture as stated under
the section, "3.3.3.2.2 Orchestration", as follows:


3.3.3.2.2 Orchestration

<snip>
"For example, the seller must have web services that receive request for
quote (RFQ) messages, purchase order (PO) messages and payment messages.
The buyer role must have Web services that receive quotes (RFQ response
messages), invoice messages and account summary messages." </snip>


How come the buyer(i.e., client) MUST have "Web services." The client
should be able to acess and interact with Web sevices provided by the
seller, i.e., the Web services provider, without having Web services at
the client side. I cann't think of any scenario that the client, i.e.,
excluding the intermediary, need to have Web services. Any comments?

Regards,


Pae


[1] http://www.w3.org/TR/2002/WD-ws-arch-20021114/#id2616565
Received on Thursday, 19 December 2002 15:32:27 GMT

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