SOA Real-World challenges

SOA from someone who knows...

AllThings.Net — Mon, 15 Mar 2004 06:55:00 GMT

SOA - Real World Challenges reposted

Ramkumar Kothandaraman's Weblog — Tue, 16 Mar 2004 00:20:00 GMT

SOA is

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SOA can a service be really autonomous?

Tiago Pascoal's WebLog — Wed, 17 Mar 2004 01:38:00 GMT

re: SOA Real-World challenges

Sudhar Krishnamachary — Fri, 23 Apr 2004 21:59:00 GMT

Ram,

some of the challenges we encounter as we march towards a SOA vision in our $2B financial/benefits services provider

While every one understands web services and its plus, its unfortunate that most developers relate SOA directly to web services and assume it as the end and that they have enabled SOA from their perspective ( i think we are not even close to beginning). perhaps lack of education and exposure on SOA and WS-*? (let me be honest and put myself also, in this lack of knowledge group, there is just too much to keep track of). Is the industry growing too fast too soon to be called mature?

I also fear in our urgency to enable SOA, we would end up creating scores of web services all over the enterprise, still talking only point-to-point, without a proper intermediary platform. Another mesh of mess?

we are partially approaching the schema harmonization problem by recommending standards payloads. I guess we wanted to reuse what the consortiums have done to define the business entities...but the industry standards themselves are split, promoting more than a few standards...we see no convergence? no one common set of vocabulary? If we folks who should clear are confused, how can we expect a stable SOA anytime soon?

In a huge organizations like ours, there are potentially 1000s of applications, ranging from individual MS access/excels to monsterous mainframe systems. Resistance to change is a major factor across this spectrum. A multi-year plan to dig out the business from these applications(in some cases, should I say files?) is a sure pre-cursor to SOA initiatives. On top of that, owners of legacy apps, perhaps as old as their systems are, feel things like enterprise architecture and SOA are making too much noise. Trust me, tough sell with them.

What are you thoughts on these?

re: SOA Real-World challenges

Ramkumar — Wed, 28 Apr 2004 18:45:00 GMT

Sudhar,

I agree with your second point that concerns about creating scores of web services all over enterprise. In my opinion, there are two key things that act as driver for creating services in the enterprise. They are a) Business process b) Service delivery solutions.

Business process is a very important driver. Activities in a business process almost always spans system boundaries. In order to support a business process, you may have to expose certain functionalities across the service boundary, preferably through web services.

Second scenario is about building solutions (like self-service) that requires integration of systems. Again, this scenario also drives exposing functionalities across service boundaries.

Thanks
Ram

re: SOA Real-World challenges

Mahesh — Thu, 15 Jul 2004 11:01:00 GMT

Ram,

I feel in the industry many people are not applying the SOA model properly.
Can you please confirm me that SOA model can be used for all type of app's. I feel choosing an architecture is totally depended on the requirements & available infrastructure. Can you throw some lights on my views...

Ram-- just to give a background about myself--- i have just started blogging.. I work at wipro, currently working at the dallas office... I think i have met u when u came to our campus. I am also an MVP in C#...

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