Anne, this reminds me of the madness we had in late 90s when everybody wanted to build a system using 3 tier architecture whether or not they really needed it.  Last week during a discussion One person asked me a question given a system how can I make it SOA? My first response was do you really need to do SOA for this application?

Then I had to explain him what it means by having an Application qualified to be SOA. I must admit that I learnt about SOA from the discussion happening in this group. Good on you guys.

But in the process what I was forced to ask myself is "Are we not heading towards another Paradigm Shift". We started as a stove-pipe kind of applications and then we switched over to n-tier apps and now we are talking about Application Re-use rather than Function / Class reuse.

Cheers :)
Samir Kumar Mishra
Tel: +61-403-747-809
Email: [EMAIL PROTECTED]
Home: http://samirmishra.tripod.com/
My Attitude in life is best described by my Blood Group…  B +ve

On 3/14/06, Anne Thomas Manes <[EMAIL PROTECTED]> wrote:
You have no idea how many times in the last year one of my clients has said to me, "I need an ESB. How do I pick one?"

My response is always, "Why do you think you need an ESB?"

Their response is, "We want to build an SOA."

I take a deep breath and dive into my explanation of SOA:
- SOA is something you do, not something you build.
- An ESB won't give you "instant SOA".
- You don't need a new middleware backbone to do SOA.
- Let's take a look at your issues and requirements...

<sigh>
Anne



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