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IM Grid

Ian Foster: "When I first met Web fundamentalists, I found them irritating, because they would not debate on technical grounds. However, they have ultimately proved to be entertaining."

One of the curious things about REST design is that it's *not* absolutist. It clearly demarcates a problem space. It identifies characteristics (aka design decisions) that result in what Fielding and others believe to be an optimal design. If there is a general purpose lesson to be learned from the REST style, it's this - understand the problem space, and then apply a principled design to it.

Much more interesting is why the Grid has cycled its core specifications in the last few years - first OSGI, now WSRF. Here's an alternative view: 5 years from now, Grid services that are not already on Web will be based on instant messaging, and XMPP/Atom/RDF will be the key Grid transfer protocols and formats.


November 15, 2006 12:29 AM

Comments

assaf
(November 15, 2006 05:05 AM #)

Isn't POST with a 201 status giving you exactly that "non-existent" state you can then operate on? Or am I missing something fundamental in the HTTP protocol and the use of URLs?

Cote'
(November 15, 2006 03:04 PM #)

This pulls out a thought in connection to IRC bots and zombies (http://www.wired.com/wired/archive/14.11/botnet_pr.html), namely, the way the Baddies use all those zombies and IRC or whatever to control them is a sort of grid itself. While reading that wired article the thought occured to me that they should use IM. There's another layer of security (asking for a passord in addition to a username), but hey, they're clever.

Dave Berry
(November 15, 2006 10:13 PM #)

The reasons Grid have cycled their core specifications in the last few years seem pretty clear. OGSI suffered from a belief that all the things promised by the WS designers would make it into the final specs and be supported by the tools. This didn't come to pass, so OGSI had to be simplified. The other reasons are primarily political - attempting to satisfy all the major players in the WS space.

Bill de hOra
(November 16, 2006 12:25 AM #)

"While reading that wired article the thought occured to me that they should use IM."

I have to say, I f33r IM spam; that will suck. That said, one of the sweet things about XMPP is that is has identity, authentication and security layers baked in - compliant servers/clients have to do stuff like TLS handshakes, and stuff like dsig can run on top (assuming we ever adopt signatures to begine with). At least it won't be an afterthought.

"The other reasons are primarily political - attempting to satisfy all the major players in the WS space."

Dave, that's want I was suspecting. That could be hard to deal with for the engineering folks.

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