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To what extent are FEPs still being used in large data centers?

April 26, 2017Centers Data extent large Used

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To what extent are FEPs still being used in large data centers?

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Most large organizational users of IBM 3745 and 3746 FEPs have done as much as they can to reduce their use of FEPs. Many have implemented IBM’s Enterprise Extender and some have used the CCL emulator. However, in many cases legacy applications remain that have simply not warranted the expense and effort of re-write or migration. Throughout industry there remain thousands of operating 3745 and 3746 FEPs. To a large extent, the remaining FEPs are over-configured. A simple de-configuration of the hardware could result in maintenance cost reduction and software tier cost reduction. When a 3745 FEP has been properly de-configured, it can provide the least costly method of satisfying the requirement to support a residual SNA/SNI workload. • FEPs simply keep working without intervention. • It can be unnecessarily costly to expend time and money to move applications away from a working SNA network. • Most applications that can easily be moved from SNA have already been moved. • Host software