I would have said that essentially FICON is ESCON encapsulated in Fibre
Channel Protocol.
Ron, I don't pretend to be expert in channel protocols, but from what I
read the FICON protocols are quite different from ESCON. I've read that
ESCON does a channel-CU conversation for each CCW in a chain, with data
blocks in between, but FICON batches up CCWs and usually sends an entire
CCW chain in one block.
Did I dream this, or would be more accurate to say that FICON is zArch
channel programming encapsulated in FCP? I also believed that the
FICON extensions to FCP were to accomplish this, not for security
--
Bruce Black
Senior Software Developer
Innovation Data Processing
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