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There seems to be a move in the market towards Software As A Service (SaaS),
for me this is really a case of the technology catching up with the requirement.
Most people see the Service Oriented Architecture as a means to better integrate,SaaS is the obvious progression.
For me SaaS is nothing new, I helped to pioneer one of the only global supply chain B2B solutions
in First4Farming http://www.first4farming.com. The principal behind First4Farming was initially around
Business to Business trading in the Agriculture sector, but more focussed on the supply chain.
Once we put the B2B in place we built a set of hosted services that could be leveraged by the community,
this has been a huge success and it gives me a great deal of satisfaction to see it growing.
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One thing that I often get asked is "why do I need Adapters if I am moving to SOA?".
My take on this is to think back to all those lovely legacy applications and the vital pieces
of business logic and data contained within them.
The problem is that most people equate SOA to web-services, its not! Web-Services are a great way
to implement SOA- BUT guess what, that creaking old application that hosts your purchasing system doesn't
expose its business logic as a web service.
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Why Traditional EAI Adapters Fail
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Years of building integration solutions has taught us a great deal about what makes certain approaches
productive or not. We've observed many projects where traditional EAI Adapters were used
to connect IT Assets to the integration infrastructure. One constant in all of these projects
was the staggering amount of legacy code that had to be written to make what should be a completely configurable adapter work.
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