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November 21, 2009



Thanks for a great post Anne!

I would like to add two comments though:

1) To me the notion of "shared services" doesn't have to start with reuse. It starts with establishing non-overlapping functional contexts and responsibilities of services. It is then a matter of governance to ensure that no overlapping functionality or similar functionality is implemented in multiple services. Of course, this can be quite a challenge due to the power structures of the organization. In the end we may end up with some functionality that is really reused, but also something that is almost as useful: Knowing where to look for a certain piece of functionality plus synergies that when developing new functionality that is similar to already existing functionality.

2) Flexibility is something that comes with a price tag. To understand why we prioritized flexibility we also should point back to the preamble that states what we want to achieve by applying SOA: "sustainable business value" ... "in line with changing business needs". With such a long term aim in mind the need of flexibility is of course considerable.

By the way, I was approached by a guy that noted that SOME of the manifesto authors "already declared SOA dead. Isnt life strange?" :)


Keith Duddy

You say "A number of people have chided us for stating the obvious in the first paragraph..."

I would state this another way: the problem is that the term "service orientation" is not defined, other than to state that it is a "framing paradigm". Then you go on to use the term "service orientation" as if everyone knows what it means.

I'd really rather see an explicit statement that SOA is about aligning IT with what services the business offers. Isn't that what the paradigm shift is about?

The rest of the manifesto seems fair enough. I just think it opens weakly.


Miko Matsumura

I still object to this one

Pursue uniformity on the outside while allowing diversity on the inside.

and here's why

Peter Kinev

"SOA is Dead; Long Live Services" is a great article. As a practitioner in the field I was pleasantly impressed with this article. And I hoped that the conference in Rotterdam will expand on the main topic of the article. Instead I see the attempt to revitalize the "Dead SOA" - some people in the business myself including think that it's a misplaced and unfortunate effort.

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