83 messages in org.w3.www-tagRe: FW: draft findings on Unsafe Meth...
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Dan ConnollyApr 15, 2002 8:50 am 
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Mark BakerApr 15, 2002 8:00 pm 
Keith MooreApr 15, 2002 8:37 pm 
Scott CantorApr 15, 2002 9:28 pm 
Edwin KhodabakchianApr 15, 2002 9:34 pm 
David OrchardApr 15, 2002 10:18 pm 
Paul PrescodApr 15, 2002 11:17 pm 
Tim BrayApr 15, 2002 11:32 pm 
Mark NottinghamApr 16, 2002 1:01 am 
Tim BrayApr 16, 2002 1:02 am 
Mark NottinghamApr 16, 2002 1:09 am 
Paul PrescodApr 16, 2002 2:11 am 
Paul PrescodApr 16, 2002 3:02 am 
Mark BakerApr 16, 2002 4:54 am 
Williams, StuartApr 16, 2002 8:22 am 
Keith MooreApr 16, 2002 8:32 am 
jon...@research.att.comApr 16, 2002 8:44 am 
Scott CantorApr 16, 2002 8:55 am 
Paul PrescodApr 16, 2002 9:40 am 
Mark NottinghamApr 16, 2002 9:42 am 
Hutchison, NigelApr 16, 2002 9:43 am 
Henrik Frystyk NielsenApr 16, 2002 10:48 am 
Bullard, Claude L (Len)Apr 16, 2002 1:46 pm 
Larry MasinterApr 16, 2002 6:39 pm 
Roy T. FieldingApr 16, 2002 7:54 pm 
Larry MasinterApr 16, 2002 10:10 pm 
Graham KlyneApr 17, 2002 1:54 am 
Paul PrescodApr 18, 2002 12:33 am 
Graham KlyneApr 18, 2002 9:11 am 
Alex RousskovApr 18, 2002 9:30 am 
Paul PrescodApr 18, 2002 9:45 am 
Graham KlyneApr 18, 2002 11:58 am 
Roy T. FieldingApr 18, 2002 3:11 pm 
Don BoxApr 18, 2002 6:28 pm 
Mark BakerApr 18, 2002 8:50 pm 
Keith MooreApr 18, 2002 8:54 pm 
Paul PrescodApr 18, 2002 10:00 pm 
Graham KlyneApr 19, 2002 12:53 am 
Bill de hÓraApr 19, 2002 4:18 am 
Roy T. FieldingApr 19, 2002 1:20 pm 
Anne Thomas ManesApr 22, 2002 3:23 pm 
Paul PrescodApr 22, 2002 4:01 pm 
Anne Thomas ManesApr 22, 2002 8:17 pm 
Paul PrescodApr 22, 2002 10:21 pm 
Anne Thomas ManesApr 23, 2002 5:36 am 
Paul PrescodApr 23, 2002 12:03 pm 
Paul PrescodApr 23, 2002 2:09 pm 
Roy T. FieldingApr 23, 2002 2:14 pm 
Bullard, Claude L (Len)Apr 23, 2002 2:50 pm 
Joshua AllenApr 23, 2002 2:53 pm 
David OrchardApr 23, 2002 4:14 pm 
Keith MooreApr 23, 2002 5:05 pm 
Roy T. FieldingApr 23, 2002 5:14 pm 
Simon St.LaurentApr 23, 2002 5:18 pm 
Larry MasinterApr 23, 2002 6:31 pm 
Mark BakerApr 23, 2002 6:36 pm 
Paul PrescodApr 23, 2002 8:03 pm 
Tim BrayApr 23, 2002 8:30 pm 
Dan ConnollyApr 23, 2002 9:05 pm 
Joshua AllenApr 23, 2002 9:10 pm 
Anne Thomas ManesApr 23, 2002 9:28 pm 
Mark NottinghamApr 23, 2002 9:42 pm 
Jeff BoneApr 23, 2002 9:42 pm 
Joshua AllenApr 23, 2002 10:02 pm 
Paul PrescodApr 23, 2002 10:05 pm 
Joshua AllenApr 23, 2002 10:27 pm 
Joshua AllenApr 23, 2002 10:38 pm 
Mark NottinghamApr 23, 2002 10:57 pm 
Mark NottinghamApr 23, 2002 11:16 pm 
Joshua AllenApr 23, 2002 11:20 pm 
Dan ConnollyApr 23, 2002 11:23 pm 
Tim BrayApr 23, 2002 11:56 pm 
Bullard, Claude L (Len)Apr 24, 2002 7:23 am 
Larry MasinterApr 24, 2002 8:47 am 
Keith MooreApr 24, 2002 10:46 am 
Bullard, Claude L (Len)Apr 24, 2002 10:56 am 
Aaron SwartzApr 24, 2002 11:27 am 
Mike DierkenApr 24, 2002 12:06 pm 
David OrchardApr 25, 2002 10:54 am 
Roy T. FieldingMay 5, 2002 3:38 am 
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Subject:Re: FW: draft findings on Unsafe Methods (whenToUseGet-7)Actions...
From:Paul Prescod (pa@prescod.net)
Date:Apr 22, 2002 10:21:26 pm
List:org.w3.www-tag

Anne Thomas Manes wrote:

...

Not all Web resources are XML. Are you now attempting to specify that the Web architecture requires that all Web content by available and accessible as XML?

We're getting off into a diversion. Can we agree that every piece of information available on the Web should be URL addressable or a PART of a URL-addressable resource? And I don't mean part in a vague sense: I mean you download a representation and the piece of information is in there. In many content-types you can also directly link to "sub-resources" of the resource (e.g. XML, PowerPoint, PDF)

....

Perhaps, but we can certainly establish this convention as the norm or required. Many SOAP implementations adhere to this convention already. I don't view this as a requirement of the SOAP spec, but as a requirement of the Web services architecture.

Okay, for the sake of argument I'll concede this point because the important issue is the one above.

...

I've never made the claim that the current UDDI API is better than other approaches. (I can think of many better mechanisms to perform discovery.)

No, I'm not talking about better ways to perform discovery. I'm talking about better ways to express the *existing API*. i.e. we can improve it with *no new ideas* just by recasting it in terms of URIs. Same for Google. Same for any other SOAP API you can mention. If you care about technology then it should worry you that less flexible and powerful services are being unleashed on the world just to be "SOAP compliant".

...

.... More to the point -- how do I specify a purchase order (which is a pretty common example of a SOAP input message) in a URL?

When would you submit a purchase order in a safe, side-effect-free operation?

I don't think you get the point. People want to submit a Purchase Order over the Web, and they aren't overly concerned with whether or not it's done using a "safe, side-effect-free operation", they just want to submit the PO. What's the best way to do it? I don't think it's appropriate to do it via GET. You might be able to do it via PUT, but you aren't trying to publish the PO, only submit it. POST seems like the safest, side-effect-free approach.

That's exactly my point. POST is the perfect method for this. We *all agree* that GET should NOT be used for submitting a Purchase Order. The heart of the REST+SOAP view is that SOAP users should use the right HTTP method for the type of thing they are doing. GET sometimes. POST sometimes. PUT sometimes. DELETE sometimes. (but GET and POST as a bare minimum!)

... My suggestion is that W3C explore REST in a separate working group.

Forget REST. Concentrate on Web architecture. One of the principles is that as many things as reasonably possible should have URIs:

"The essential process in webizing is to take a system which is designed as a closed world, and then ask what happens when it is considered as part of an open world. Practically, this effect on a computer language is to replace the names/tokens/identifiers for URIs. Thus, where before reference could only be made to something in the same document/program/module one can with equal ease make reference to something in a different one somewhere in that abstract space which is the Web."

* http://www.w3.org/DesignIssues/Webize.html

If you have a non-REST or non-HTTP way to weave this into SOAP then I would probably be satisified with that. Either way, I need SOAP to support "webizing" systems. I think this falls directly out of the group's mandate:

"The Web can grow significantly in power and scope if it is extended to support communication between applications, from one program to another. The purpose of this Working Group is to create a simple foundation to support the needs of such communicating applications."

To me, if you don't support web-izing systems then you have NOT significantly improved the power and scope of the Web. Furthermore, this is not an issue being raised late into the process. It has been raised repeatedly throughout the process.