RE: Re: Why REST? (RE: WSIO- With Name)
From: Paul Prescod [mailto:paul@p...] >That's all the Web does. Ship descriptions (formally known as >representations) of resources around. It does not move resources. I >can't download Google's database by trying every URI. All I can get are >representations of views of it. If everyone agrees on that, then what does the REST vs WebServicesAsUDDI/WSFL/SOAP debate come down to: 1. Names. GUIDs vs URIs. 2. Where to put the names (in the URI, in the SOAP message) 3. HTTP has all the methods we need if we just used them correctly and could accomodate complex (say rich) actions if we ganged them correctly (I don't know how this can be proven.) vs we need specific API calls that enable us to discover a business exists, is of a given type, can offer typed services based on public or privately negotiated document types A URI is a name and a locator. A URI can have arguments appended to the end of it, so it is a hyperlink and a function call (which after a lot of years I've come to believe are the same thing but we can argue about that). A URI is supported ubiquitously, so web services comes down not to a lot of new technology but to applying what we already have. What am I missing here other than needing to build up a sharable set of arguments per process type which may be per business type which may be per business which may be per department which may be per local desktop? When we did process decomps in the olden days we found that as soon as we dropped below the department level, standardization became not only difficult, it became counterproductive. Almost heisenbergian uncertainty takes over about what actually is going on in these processes, that is, a state might be representable, but isn't resolvable. Even if REST is technically adequate, it trips over real time and the unreliable repeatability of certain outcomes. For such things, no web service or semantic web will be adequate so just don't use the web for those things. len "They got a name for the winners in the world. I want a name when I lose. They call Alabama the Crimson Tide. Call me, Deacon Blues." Steely Dan
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