Web Things, by Mark Baker

Wow, what’s the record for most minority opinions on one W3C TR? Three were submitted today.
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I got a couple of comments on the diagram, so patched it up.

Jim Webber posted a picture in an earlier blog entry that I’ve tweaked to reflect my views of large scale software architectural evolution (or lack thereof 8-) over the the past 10 or so years.

The differences with Jim’s can be explained thusly;

• Though REST wasn’t published until 2000, the major architectural work behind the Web, as I understand it (can’t find the message from Roy where I thought I recalled him saying this), was basically wrapped up in 1993
• I consider document based RPC – i.e. same semantics as RPC, only without the operation in the message – to be worse than RPC
• As much as I prefer “processMessage” to what most people know “SOA” to be, I still consider it inferior to REST, since it’s missing an application model (REST has hypermedia), as well as layering (or perhaps I just need a more detailed breakdown of the constraints of a processMessage-oriented architecture)
• The Semantic Web and ARRESTED are extensions built upon the Web and REST. I believe that these will be the future of loosely coupled, document oriented services offered and integrated over the Internet

Interesting report which includes some of their ideas on PVR UI design
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My deep thought for the day …

Evolvability is a special case of integrability, where one integrates over time rather than space.

Whither WHAT?
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Via Jim McGee, a quote from an idol of mine, David Gelernter;

Beauty is more important in computing than anywhere else in technology because software is so complicated. Beauty is the ultimate defence against complexity.

Amen.

That’s the ticket.
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Which reminds me, I still have some invites left if anybody wants one.
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Dave Orchard fights for the right to have a built-in dependency to HTTP in WSDL 2.0. Go Dave! I love it when a plan comes together.
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