Soa ppt
- 1. www.oeclib.in SUBMITTED BY: ODISHA ELECTRONICS CONTROL LIABRAY Seminar On Service Oriented Architecture (SOA)
- 2. Content Introduction Requirements Principles Attributes of a SOA SOA and Web service protocols SOA and network management architecture Benefits References
- 3. Introduction SOA implementations rely on a mesh (Mesh consists of semi-permeable barrier made of connected strands of metal, fiber, or other flexible/ductile material. Mesh is similar to web or net in that it has many attached or woven strands.) Of software services. Services comprise unassociated, loosely coupled units of functionality that have no calls to each other embedded in them. Each service implements one action, such as filling out an online application for an account, or viewing an online bank-statement, or placing an online booking or airline ticket order.
- 4. Requirements Interoperability between different systems and programming languages that provides the basis for integration between applications on different platforms through a communication protocol. One example of such communication depends on the concept of messages. Using messages across defined message channels decreases the complexity of the end application, thereby allowing the developer of the application to focus on true application functionality instead of the intricate needs of a communication protocol.
- 5. Principles The following guiding principles define the ground rules for development, maintenance, and usage of the SOA: Reuse, granularity, modularity, compensability, componentization and interoperability. Standards-compliance (both common and industry-specific). Services identification and categorization, provisioning and delivery, and monitoring and tracking.
- 6. Attributes of a SOA In addition, one might take the following factors into account when defining a SOA implementation: Efficient use of system resources service maturity and performance EAI (Enterprise Application Integration (EAI) is defined as the use of software and computer systems architectural principles to integrate a set of enterprise computer applications.)
- 7. SOA and Web service protocols Service encapsulation – Many web services are consolidated for use under the SOA. Often such services were not 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 descriptions in the service contract, services hide logic from the outside world.
- 8. SOA and Web service protocols… Implementers commonly build SOAs using web services standards (for example, SOAP) that have gained broad industry acceptance. These standards (also referred to as Web Service specifications) also provide greater interoperability and some protection from lock-in to proprietary vendor software. One can, however, implement SOA using any service-based technology, such as Jini, CORBA or REST.
- 9. SOA and network management architecture As of 2008 the principles of SOA are being applied to the field of network management. Examples of service-oriented network management architectures include TS 188 001 NGN Management OSS Architecture from ETSI, and M.3060 Principles for the Management Of Next Generation Networks recommendation from the ITU-T.
- 10. Benefits Some enterprise architects believe that SOA can help businesses respond more quickly and cost-effectively to changing market- conditions. This style of architecture promotes reuse at the macro (service) level rather than micro (classes) level. It can also simplify interconnection to – and usage of – existing IT (legacy) assets.
- 11. References www.oeclib.in www.google.com www.wikipedia.com
- 12. THANKS
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