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I don't agree with Michael that "web services" is as meaningless a phrase as "service oriented architecture" but it is close.
I'm unclear as to what you mean by Web Services Architecture promulgated by the W3C. Are you talking about the Web Services Architecture note at http://www.w3.org/TR/ws-arch/#whatis? I personally wouldn't put much weight on any document with such a restrictive view of what constitutes a web service. Then again the W3C is the organization that decided to name its XML schema technology XML Schema as if to state that was the be all and end all of XML schema languages.
--
PITHY WORDS OF WISDOM
Manufacturer's specifications of performance should be multiplied by a factor of 0.5.
________________________________
From: Rex Brooks [mailto:rexb@starbourne.com]
Sent: Mon 5/30/2005 6:17 AM
To: Michael Kay; 'Razvan MIHAIU'; xml-dev@lists.xml.org
Subject: RE: [xml-dev] What are web services ?
While this is true for the perpetual world of con artists and grifters, and those on whom they prey, and for the equally perpetual professional gadflies whose avocation appears to be to puncture the also perpetual puffed up human egotists who appear to be born "experts" on just about everything and whose love of their own voices vocally or verbally seems to know no bounds.
However, there is a growing body of standards and practices for both loosely coupled but well-bound WSDL and SOAP based web services AND RESTful web services based largely on structural capabilities inherent in the current and future Web Services Architecture promulgated by the W3C.
Please be aware when you toss out the makings for new assaults in this permathread that asking for or providing short answers for how to build, publish service descriptions, establish reliable connections for web service consumers and transact reliable, secure web service operations to deliver valuable, cost-worthy functionalities over the web is not wise and most likely to produce poor definitions and wider misinformation than we already have.
Since I have been working for three and half years in the OASIS WSRP TC and for the last few months in the newly formed SOA Reference Model TC, I can vouch for how difficult it is to develop sound, reliable specifications, definitions and practices for this arena, especially since it is almost guaranteed that the future of computing will be dominated by the paradigms being developed in this field.
Like it or lump it, you will be dealing with it, so spit into the wind at your own risk. However, it is always tremendous fun to watch while pedants and gurus expound on these topics.
My own position is to attempt to help shape this new technology into more workable pathways and learn it from the inside out while it is possible to do so. Three years ago it was almost pure hype with a tiny proportion of real work and a few major vendors vying to "own" this space. Now it is due to become, in the world of public perception, the province of equally perpetual gurus who have an almost irresistible compulsion to evangelize in these early stages of development and who tend to become "bleeding deacons" decrying the loss of true vision and purpose as what they consider their brainchildren develop their own lifecycles apart from the predilections of early adopters and true believers alike.
This opinion is based on observing similar processes over the course of the last 30 years of tech development..
Ciao,
Rex
At 10:29 AM +0100 5/30/05, Michael Kay wrote:
OK, here's my answer. The term "web service" means anything the speaker wants it to mean. Like "service oriented architecture" or "native XML database" or "electronic business" it's a fuzzy term that different people will define in different ways, depending on what they are trying to sell you.
Michael Kay
http://www.saxonica.com/ <http://www.saxonica.com/>
________________________________
From: Razvan MIHAIU [mailto:mihaiu@mihaiu.name]
Sent: 29 May 2005 17:43
To: xml-dev@lists.xml.org
Subject: Re: [xml-dev] What are web services ?
This is not that much off-topic. Please make the courage to answer :-(
Hi,
Were can I find a good definition of this ? A web service must be based on SOAP in order to belong in this category ? A web service must use XML for transferring data (like SOAP) ? Can we have web services without WSDL and UDDI ?
Regards,
Razvan
--
Regards,
Razvan
SCJP preparation material:
www..mihaiu.name/2004/sun_java_scjp_310_035/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test1/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test1/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test2/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test2/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test3/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test3/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test4/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test4/index.html>
--
Regards,
Razvan
SCJP preparation material:
www..mihaiu.name/2004/sun_java_scjp_310_035/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test1/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test1/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test2/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test2/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test3/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test3/index.html>
www.mihaiu.name/2004/sun_java_scjp_310_035_test4/index.html <http://www.mihaiu.name/2004/sun_java_scjp_310_035_test4/index.html>
--
Rex Brooks
President, CEO
Starbourne Communications Design
GeoAddress: 1361-A Addison
Berkeley, CA 94702
Tel: 510-849-2309
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