Business case – benefits for different stakeholders

We have seen in the previous chapters how you can design and implement an SOA based on the solution architecture. A new company can design their architecture and organization from scratch, but most companies don't have that luxury. They need to redesign and implement the architecture, while running the operation. This means that it is not feasible to change the architecture in a big bang scenario, but that you have to grow the architecture gradually. The order in which you execute this depends mainly on the benefits the new architecture offers for different stakeholders.

Apart from benefits, an SOA can result in additional technical complexity and organizational challenges. The technical complexity is caused because SOA introduces new components and standards such as an Enterprise Service Bus or Business Rule Engine in the organization, as you learned in Chapter 6, Solution Architectures. The organizational challenges have to do with the...