Friday, April 28, 2006
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A spate of articles recently hype the "convergence" -- or, at least, the peaceful coexistence - of two superhot trends in the industry: SOA and Web 2.0; the term Web-Oriented Archicture has now sprung up to describe it. Woa, indeed.
John Hagel III has an excellent overview, and web bibliography, of the topic here.
Certainly there's much each can learn from the other. SOA is heavyweight but robust enterprise architecture; Web 2.0 is democratic, social and participant-based. On the surface, they are orthogonal. They target different problems: so it's just as hard to imagine building a lightweight wiki with SOA as it is a global supply chain with (say) MySpace.
Still, it's equally easy to imagine that supply chain services will migrate to the cloud, will be accessible by large numbers of individuals, will have rankings for and discussion boards about reliability, and simple tools with which to compose them into larger applications. Imagine strikeiron merging with Socialtext and you get the idea.
But security is on my mind today. Few if any of the bright-eyed cloud advocates have really thought through all the implications, it seems to me: how can you as a customer be assured that a highly distributed, highly mashed-up, part-cloud based app that handles shipping your book will, in fact, not accidentally disclose your credit card? How can an enterprise developer who wishes to make use of a cloud service or mashup know that it's been threat-analyzed and certified as secure?
As we move from simple toy services to coarse-grained services with real business meat, these problems must be confronted in a sober way.
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Mar May
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