A lot has been written on the approach to service-oriented architecture (SOA)
migration. Although they are referred to by many names, there is the
strategic approach, which is of high quality and so is also costly and
initially less responsive because of the analysis involved up front. Then
there is the organic growth approach, in which services are developed on an
as-needed basis within the context of projects, which is responsive, but
leads to redundancy and the lack of vision leads to unmanageability later.
Finally, there is the hybrid approach, which attempts to take the best of
both of these worlds. It is so very important that the business analysis is
not cast aside when developing the SOA through this hybrid approach to
migration.
What we will discuss here is ju... (more)
Most well established large organizations suffer from some level of "Web
sprawl." It organically grows for the same reasons as a disparate systems
environment:
Mergers and acquisitions Legacy architecture now deprecated Tactical
solutions circumventing architectural goals Disparate IT skill sets Lack of
architecture steering COTS package purchases provide heterogeneous platforms
and fun... (more)