Transformation
The transformation layer is the “Rosetta Stone” of the system. It understands the format of all information being transmitted among the applications and translates that information on the fly, restructuring data from one message so that it makes sense to the receiving application or applications. It provides a common dictionary that contains information on how each application communicates outside itself (application externalization), as well as which bits of information have meaning to which applications.
Transformation layers generally contain parsing and pattern-matching methods that describe the structure of any message format. Message formats are then constructed from pieces that represent each field encapsulated within a ...
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