The REST bandwagon: all aboard!

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This made my day. 8-)

rest, soa, softarch, web, webservices

REST, WADL, forest, trees

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I’m kinda busy with a bunch of things on my plate, but felt I had to chime in on the latest calls for a RESTful description language ala WADL.

Aristotle’s response struck a chord;

[...] there isn’t much to describe; there aren’t any methods or signatures thereof to document, since access to resources is uniform and governed by the verbs defined in RFC 2616 (in the case of HTTP, anyway)

Right-o, though it might be helpful to rephrase that last bit as “since access to resources is through the *same* uniform interface”, because that’s the whole point of REST: all services expose the same interface. This is what provides the majority of its loose coupling, and is the principle differentiator from RPC.

So if you’re writing (or generating) contract/interface-level code which can’t late-bind to all resources, everywhere, you’re not doing REST (10 kudos to whomever identifies the specific constraint being violated).

Cut the cord already! RPC is dead. You’re not in Kansas anymore.

rest, softarch, webarch, webservices

REST at OOPSLA

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The details are on my other weblog.

rest

Best viewed in Apollo

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I made a comment on Pete Lacey’s latest in the “RIA” discussion that I wanted to reiterate here;

how is that different than the bad old days when a site was developed for one particular browser?

ria, standards, web

REST is pro-contract

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So that whole “contract thang” has popped up again in the echo chamber. I’m going to pick on Steve Jones a little (more 8-), specifically something he says in his latest piece;

Where I do disagree though is whether this is a good or a bad thing to have these camps. Now I’m clearly biased as I’m on the contract side [...]

Hold it! Let’s make sure we’re having the right conversation here. It’s not “pro contract” vs. “anti contract”, it’s simply “many contracts” vs “one contract”.

Resume!

rest, soa, soap, softarch, web, webarch, webservices

New voices

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I’m absolutely thrilled that Tim has finally grokked REST. AFAIK, he’s the first die-hard Web services type with a strong public persona to realize REST’s (and the Web’s, of course) benefits over WS/SOA/RPC. Bravo, Tim!

I’ve long thought that what was needed in this discussion was new perspectives on the relationship between REST and WS/RPC/etc… that would permit the message to reach more people. Tim’s ably doing his part along those lines with his followup posts. I would never have thought to describe things this way.

So, who’s next?

rest, soa, soap, softarch, standards, web, webarch, webservices

Microsoft gig

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I’ve spent some time over the past couple of months helping Microsoft with RESTful issues for two (soon to be three, I hope) different groups there. One of those is the WCF team, and Omri has just reported on some of it. I’m not sure how much of my input (if any) made it into that release, or if it’s all set for the next release, but there you have it; WCF does REST.

It was quite enjoyable to sit around the table (conference room and sushi table alike!) with Don and Steve in the context of trying to answer the question “How can Microsoft best support RESTful service developers?”, and not have to dwell much on the SOA/WS-vs-REST thing. Lots of love all round. 8-)

I’ll point to the other projects as soon as I know they’ve gone public.

Update; if it wasn’t clear, this was a consulting arrangement through my company, Coactus.

Update 2; the second project has been announced. Here’s more; doesn’t that XML just scream “Yaron”? 8-)

microsoft, rest, sushi, web, webservices, xml

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