Ficon definitions

A proprietary specification for storage area network (SAN) developed by IBM for a high-speed serial interface between mainframe computers and peripherals such as external disk drives. FICON supports data transfer rates up to 400 MBps in full duplex (FDX) over distances up to 100 km. FICON is replacing the earlier and slower Enterprise System Connection (ESCON). See also Bps, ESCON, FDX, Fibre Channel, mainframe, peripheral, SAN, and serial.
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(FIber CONnector) An IBM mainframe channel introduced with its G5 servers in 1998. Based on the Fibre Channel standard, it boosts the transfer rate of ESCON's half-duplex 17MB/sec to a full-duplex 100MB/sec. Each FICON channel can support up to 4,000 I/O operations per second and is equivalent to eight ESCON channels. See ESCON and Parallel Enterprise Server.
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