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Migration of a Chosen Architectural Pattern to Service Oriented ...

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Chapter 2. Related Work 292.3 SummaryThis chapter presents briefly main <strong>Service</strong> <strong>Oriented</strong> <strong>Migration</strong> approaches. Thefirst three techniques are the most mature and have the more detailed documentation.SMART (White–Box) technique analyses the code in details. Wrapping(Black–Box) wraps the legacy system in<strong>to</strong> services and does not integrate in<strong>to</strong>code <strong>of</strong> the migrated legacy system. Taxonomy Analysis (Grey–Box) analysis thecode <strong>of</strong> the migrated system. As the result <strong>of</strong> analysis a dendogram is created.The diagram is further converted in<strong>to</strong> sub–threes that are implemented as services.Remaining three approaches differ in scope <strong>of</strong> migration. ADM migrateswhole systems by migrating their infrastructure, architecture and business layer.In turn PCBMER is migrated <strong>to</strong> SOA using additional layers. The last techniqueapplies architectural pattern on more abstract level. The whole communicationwithin system is organised as a Peer–<strong>to</strong>–Peer network. Study <strong>of</strong> architecturalpatterns becomes a part <strong>of</strong> standard. <strong>Migration</strong> <strong>of</strong> the system will base uponwhite or black or grey technique.

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