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Everything starts oh so well. Embarking on a new SOA initiative the whole team feels as if it is pure green field development. We venture on - The first service is designed. Hey look it got all these bells and whistles; we are even using XML so it must be good. Then we design the second service, it turns out the first service has to talk to the second – and vice versa. Then comes a third, it has to talk to the other two. The forth service only talks to a couple of the previous ones. The twelfth talks to nine of the others and the fourteenth has to contact them all – yep our services are tangling up together into an inflexible, rigid knot