British Telecom

Using SOA, they have implemented a legacy encapsulation platform which exposes legacy systems as web services. They then have a BT enterprise service bus to provide an interface between the platforms; a hub platform to run workflow between the applications; and an application server platform that is a Java platform for building new services.
 

Telecom company based out of APAC

Company was facing many competitors and needed to comply with government mandate to capture customer identities for pre-paid mobile services.  Also it needed to improve IT response to business needs so that the carrier could be first to market with new products and services.  Finally a change to the infrastructure was needed to support faster time to market and convergence.  SOA was used to build information access services to service enable existing enterprise systems using AquaLogic Data Service Platform, then integrate those services with AquaLogic Service Bus.  A Governance team was established to oversee services catalogue and provides guidance on service development and reusability
 

Verizon

The company was formed after a merger.  They realized that many of their core business functions were implemented anywhere from five to 30 times across different applications.  Verizon set out to use SOA to reduce support costs by consolidating these core functions from 20 or 30 implementations to one or three

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