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FW: [hst] harvest list (WSDL harvest part 1, repost from July 11)

From: Hao He <Hao.He@thomson.com.au>
Date: Tue, 16 Jul 2002 09:14:47 +1000
Message-ID: <686B9E7C8AA57A45AE8DDCC5A81596AB019ED836@sydthqems01.INT.TISA.COM.AU>
To: www-ws-arch@w3.org


-----Original Message-----
From: Hao He 
Sent: Thursday, July 11, 2002 5:11 PM
To: 'Mark Baker'; jones@research.att.com
Cc: gdaniels@macromedia.com; michael.mahan@nokia.com;
chrisfer@us.ibm.com; w3c-ws-arch@w3.org
Subject: RE: [hst] harvest list (WSDL harvest part 1)


hi, All,

Here is the first part of the harvest effort. 

Hao

<harvest name="WSDL">

Overview
WSDL is like IDL. It plays a descriptor role in the overall Web Services
architecture.


Relationships with other specifications


http://www.w3.org/TR/2002/WD-wsdl12-20020709/#intro

WSDL defines
 1. abstract functionality of a service
 2. concrete details of a service description for SOAP 1.2, HTTP, and MIME
 

Web Services model by WSDL

Summary: http://www.w3.org/TR/2002/WD-wsdl12-20020709/#intro

"WSDL describes Web services starting with the messages that are exchanged
between the service provider and requestor. The messages themselves are
described abstractly and then bound to a concrete network protocol and
message
format. A message consists of a collection of typed data items. An exchange
of
messages between the service provider and requestor are described as an
operation. A collection of operations is called a portType. Collections of
portTypes are grouped and called a serviceType. A service represents an
implementation of a serviceType and contains a collection of ports, where
each
port is an implementation of a portType, which includes all the concrete
details needed to interact with the service."

Components: requestor and provider
Connector: messages, ports.
Data element: typed data item.

Architectural concept:

1. Messages are abstract and then bound to a concrete network protocol and
message format;
2. Operation
3. PortType is a collection of operations.
4. Service type is a collection of portTypes.

</harvest>



Received on Monday, 15 July 2002 19:13:54 GMT

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