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Atomic SOA Patterns

Elementary Middleware Communication Patterns for a Succesful SOA

Implementation

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Von Neumann Computers do The Same

János von Neumann zu MargittaFather of modern computer architecture Input Process Output

Input Process Output

János von Neumann zu MargittaFather of modern computer architecture

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Pass Filter Variation: Transformation

Message payload is changed by the filter

SenderSender

Adapter

Adapter

ProcessReceiver

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Null Filter

A special case of a pass filter that would not change the message‘s payload Usages: Protocol converter Bridge between media Decouple sender and receiver to avoid impact

Adapter

Adapter

Null-Filter

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Atom: Proxy - Asynchronous Capsule

Services are activated asynchronously only Proxy provides emulation of synchronous processing

Adapter

AdapterRequester Collector

Service

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Atom: Request Reply Pattern

Request-reply patterns are filter where sender and receiver are the same entity

Adapter

Service