216 ◾ Enterprise Architecture A to Z
8.4 Challenges to Full-Fledged SOA Deployment
As might be expected, there are some practical challenges associated with the effective deployment
of SOA and WSs in enterprise environments. SOA and WS deployments may be attractive in
terms of productivity and flexibility, but the issues of scalability and mission criticality have to be
taken into account; otherwise, as implementations expand, the result may be overall performance
issues and application brittleness [STA200502].
According to some observers, an enablement gap exists between the practical reality and vision
of SOA. Specifically, one needs to establish how services with no knowledge of one another will
interoperate semantically. One needs to refi ...