
Chapter 3. Connectivity 113
Intermixing of CU types with different channel usage characteristics on the same channel
is possible.
Input for the selection of ESCON channel candidates for aggregation to FICON channels is
provided by measurement data, the number of FICON Bridge channels required to satisfy
connectivity, and a “best fit” judgement by the user of the FICON Channel Aggregation Tool.
Mixed channel attachment to one control unit
A configuration of mixed channels is not recommended for the long term. Nevertheless,
knowing all the supported combinations (CNC, FCV, FC) from one system to one control unit
may help during migration phas