Web Services, SOA, BPM, and Cloud Computing – IV


Before we continue with web services and go into the gory details, let’s first identify WHY would we need web services.

Without the WHY, the HOWs, WHENs, WHEREs, HOW MUCHs, WHATs, BY WHOM, WHOs is pretty much redundant as a good project manager or better still a project sponsor will tell you. The WHY gives direction.. .

The answers to the other questions, pave the way.

Let’s just consider me and a hypothetical situation. It is the 14th of February, Valentine’s day next week. And though I want to give my girlfriend and me, an extra special time, it will be difficult to make arrangements for making that day a memorable one. Travelling will be difficult ; I do not have my own transport. Making dinner reservations and buying show tickets to the latest hit film or the hit musical that’s just come into town in person is almost impossible. How wonderful would it be if I could have a concierge or better still a personal assistant who would do all that for me! And either for a minute transaction fee or for nothing!

Now, I could log on to the car-rental site like Hertz and or the taxi hire ( say Meru) web-site and arrange for transport. Or call them up! And then log on to a web-site like BookMyShow.com and book the tickets for the film I would like to see. But these would have to be done individually and co-ordinating the bookings is a hassle and its my hassle!

But what if there was web-site that would do this, an aggregator of services? A mash-up , if you like. It would offer me a bouquet of services, I enter my requirements and let the service provider do the work.

The web-site does the job of orchestrating and choreographing my requests, and comes up with my dream date! For a small fee!

Would this make for a good bizness model? If you could extend this as a service to firms, that would include booking train, bus and plane tickets, yes, the volumes add up and revenue can be significant.

Though the earlier scenario is so much more interesting and romantic!

And though the WHY is short and pithy, it is so much more potent!

Have a good day!

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