Rehosting your application enables you to port the entire legacy systems' environment and make it work on your new open platform.

There are several advantages of rehosting applications. You can enjoy the flexibility and added functionality of Open Systems, while preserving the best from your legacy application.

The rehosting time of your application is significantly shorter than in the case of re-engineering. Meanwhile, you can continue to use your familiar software on the new target platform. Cost saving is achieved by reducing or eliminating the expensive operating and software costs of your existing systems. You can even maintain the same user interface thus, eliminating the need for retraining.

When you re-engineer your application, you are taking a fresh approach to creating a new System. In the process of recreating your application, you will blend your old needs with your new requirements. Most re-engineering projects are multi-million-dollar investments that require two or more years to complete with many people working on the effort.

Due to the time, risks, costs and resources required to re-engineer applications, many companies rehost their applications either as an interim or a permanent solution.

The Open System platform has emerged as a platform on which tightly integrated applications dynamically exchange data in a seamless fashion. The main advantages of moving to an open systems environment would be price performance, scalability, hardware and software cost savings, the ease of implementing client server technology and complete interconnection of multiple platforms via Internet.

  • Modern Graphical User Interfaces and WEB Browser Emulators
  • Proven to produce enhanced throughput - true multitasking o/s.
  • Better cost/performance ratio
  • Immediate Open System benefits
  • Guaranteed to host mission-critical systems.
  • Executive Information Systems (EIS)
  • Data Warehousing is well supported on a range of SMP O/S servers
  • Years of migration and proven expert systems technology experience

Even though the porting exercise from the mainframe environment to an Open System platform is relatively easy, there are dangers to be aware of.

  • The biggest danger is to assume that the new environment comes standard with the necessary print spoolers, batch scheduling managers and other utilities that mainframe users have become accustomed to. This is most definitely not true. It is an essential part of the initial evaluation process to evaluate third-party utilities. Excellent third-party utilities are available at very reasonable prices that are user-friendlier and less resource intensive than the standard utilities.
  • Character set orientation difference. (EBCDIC vs. ASCII)
  • Ensure that all software you intend running on the open platform is "Supported" by the vendor.
  • Use experienced professionals to launch your company into the Open Systems world as it is extremely flexible but with no resemblance to the mainframe. Total Solution goes further than just migrating data and source code.

Cronus Consulting has a proven track record and has developed tried and tested software products to replace the mainframe tools and to make your application work on the new platform with least amount of risk.

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