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Integration is the act of bringing together components of various system that functions as one. In an IT context, integration refers to the end result of a process that aims to stitch together different, often disparate, subsystems so that the data contained in each becomes part of a larger, more comprehensive system that, ideally, quickly and easily shares data when needed
Using standards makes using things easier.Traditional system development approach for e-governance solution will create chaotic situation when different vendor usage different method to intgrate with one another and it becomes difficult to maintain interoperability among the system. Hence it is necessary to define a standard for integration that facilitate software development, maintenance and reuse.
When used with small infrastructures, where only two or three systems must be integrated, this model can work quite well, providing a lightweight integration solution tailor-made to the needs of the infrastructure. However, as additional components are added to an infrastructure, the number of point-to-point connections required to create a comprehensive integration architecture begins to increase exponentially.
A three-component infrastructure requires only three point-to-point connections to be considered fully integrated. By comparison, the addition of just two more components increases this number to 10 connectors. This is already approaching an unmanageable level of complexity, and once an infrastructure includes 8 or 9 component systems, and the number of connections jumps into the 30s, point-to-point integration is no longer a viable option.
Remember that each of these connectors must be separately developed and maintained across system version changes, scalability changes, and more (or, in some cases, even purchased at high cost from a vendor), and the unsuitability of point-to-point integration for complex enterprise scenarios becomes painfully clear.
Various e-governance project Needed some common features that they often time developed again and again for each system . If these system could be integrated with one another to share there data and services to other system then a viable time of development may be saved. But this could not be done randomly. there sould be some rules and defination for integration. Otherwise the whole scenario might get cheotic.That is why integration standard is needed
OISF will provide Integration Standard for Both Core And Shared Services.One can see what
core and Shared Service Mean in below definations