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Re: What are web services ?

• To: <xml-dev@l...>
• Subject: Re: What are web services ?
• From: "Ken North" <kennorth@s...>
• Date: Tue, 31 May 2005 12:53:06 -0700
• References: <74B14CBC0FEB9D4EB16969F09FA51F4555AD25@M...> <429C11B8.2040209@m...>

>> Has the ability to perform its functionality synchronously or asynchronously

To explain synchronous and asynchronous communication, I use a telephone
example. If someone answers when you call, that synchronous. If no one answers
but you leave voicemail, that's asynchronous.

SOAP supports synchronous and asynchronous messaging.  Using RPC-style
messaging, communication is synchronous and the service provider and consumer
maintain state. Document-style SOAP messaging (XML document in the payload)
supports asynchronous messaging because you can encapsulate state information in
a document.


======== Ken North ===========
www.WebServicesSummit.com
www.SQLSummit.com
www.GridSummit.com

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