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Web is now the most powerful medium.Join us to experience how the web changes traditional business models. Read More>>
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BPM allows organizations to abstract business process from technology infrastructure, it goes far beyond automating business processes (software) or solving business problems. Read More>>
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Enterprise Resource Planning (ERP)
Service Oriented Architecture (SOA)
Business Process Management
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Services-Oriented Architecture (SOA) is a software architecture where functionality is grouped around business processes and packaged as interoperable services. SOA also describes IT infrastructure which allows different applications to exchange data with one another as they participate in business processes.
SOA is not just an architecture of services seen from a technology perspective, but the policies, practices, and frameworks by which we ensure the right services are provided and consumed.
With SOA it is critical to implement processes that ensure that there are at least two different and separate processes—for provider and consumer.
Rather than leaving developers to discover individual services and put them into context, the Business Service Bus is instead their starting point that guides them to a coherent set that has been assembled for their domain.
Principles

The following guiding principles define the ground rules for development, maintenance, and usage of the SOA:

  • Reuse, granularity, modularity, composability, componentization, and interoperability
  • Compliance to standards (both common and industry-specific)
  • Services identification and categorization, provisioning and delivery, and monitoring and tracking

The following specific architectural principles for design and service definition focus on specific themes that influence the intrinsic behaviour of a system and the style of its design:

  • Service encapsulation - Many web-services are consolidated to be used under the SOA Architecture. Often such services have not been planned to be under SOA.
  • Service loose coupling - Services maintain a relationship that minimizes dependencies and only requires that they maintain an awareness of each other.
  • Service contract - Services adhere to a communications agreement, as defined collectively by one or more service description documents
  • Service abstraction - Beyond what is described in the service contract, services hide logic from the outside world
  • Service reusability - Logic is divided into services with the intention of promoting reuse.
  • Service composability - Collections of services can be coordinated and assembled to form composite services.
  • Service autonomy – Services have control over the logic they encapsulate.
  • Service optimization – All else equal, high-quality services are generally considered preferable to low-quality ones.
  • Service discoverability – Services are designed to be outwardly descriptive so that they can be found and assessed via available discovery mechanisms
     
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