Wednesday, 11 March 2015

Information System Architecture

        The architecture is a art and science of designing.

       An information system architecture is a formal definition of the business processes and rules, systems structure, technical framework, and product technologies for a business or organizational information system. 

       An information system architecture usually consists of four layers: 
  • Business process architecture, 
  • Systems architecture,
  • Technical architecture, 
  •  Product delivery architecture.

       The architecture of an information system encompasses the hardware and software used to deliver the solution to the final consumer of services. 

        The architecture is a description of the design and contents of a computerized system. If documented, the architecture may include information such as a detailed inventory of current hardware, software and networking capabilities; a description of long-range plans and priorities for future purchases, and a plan for upgrading and/or replacing dated equipment and software. 

        The architecture should document: What data is stored?, How does the system function?, Where are components located?, When do activities and events occur in the system?, and Why does the system exist?

         Information system architecture is a blue print used to develop, implement, maintain the elements in the organization.

         Business architecture is a blue print of enterprise, that provides a common understanding of the organization and is used to align objectives and demands.

         A System architecture is the conceptual model that defines the structure, behavior and more views of the systems. here we set the conventions, rules and standards employed in a system.

         A Technical architecture defines all the Technical requirements like operational, performance, etc.

         Product delivery architecture as the information regarding the delivery of the product, maintenance, etc.

Example for the system Architecture:
      This is for the architecture for the banking services.


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