Chapter 15 Legacy Encapsulation Patterns
Introducing a collection of standardized service endpoints into an established IT enterprise will almost always result in a need to manage the marriage of service-orientation with legacy encapsulation. This chapter provides a set of patterns dedicated to addressing common challenges with service encapsulation of legacy systems and environments.
Legacy Wrapper (441) establishes the fundamental concept of wrapping proprietary legacy APIs with a standardized service contract, while Multi-Channel Endpoint (451) builds on this concept to introduce ...
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