Earth Hour 2008

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SOA and Web 2.0

I’ve always liked this diagram and how it relates SOA to Web 2.0.

The plane between SOA and Web 2.0 defines what was or was not determined to be a necessary Human Task. Within the defined Business Process Model (BPM) all human tasks require a user interface, while all non-human tasks are essentially automated IT services (internal services, B2B, etc). Hence why Process sits between Rich User Experience and Services.

There are two methods to achieve SOA: Top-Down and Bottom-Up

Top-down SOA is usually initiated at the business level, and involves the CIO and his crew of analysts to define the process and then put requirements for services against IT.

Bottom-up SOA on the other hand is normally initiated by IT componentizing its existing legacy apps and EIS systems and turning them into reusable services.

Bottom-up gives you quick ROI, however long-term efforts without governance and business level scope is futile. But for some clients that don’t have the resources to start a business level SOA movement, Bottom-up (hopefully with appropriate governance in place) is a good start which would eventually lead to a top-down investment.

Overall, a mix of the two methods to achieving SOA is commonly recommended.

iPhone: All-in-one wonder?

You can see it happening… one single device that will do everything: phone, music, video, gaming, internet, and who knows what else.

Still not sure whether the iPhone will be this ultimate device, but with the announce of its SDK this week, it’s one step closer.

I’m curious to see how the device/internet big boys (Sony, Google, etc) are going to react to this.