
142 IBM Communications Server for AIX, V6: New Features and Implementation Scenarios
The previous figure shows an ESCON director between the host and the AIX
system. However, an ESCON director is not required. Up to two ESCON
directors may be used to extend the distance between the host and AIX
system up to 43 kilometers.
MPC+ links require HPR and support only independent LUs. Therefore, if
dependent LU (LU0, 1, 2, 3) support is required over an MPC+ link,
DLUR/DLUS must be used.
The overall CS/AIX support for channel connectivity is referred to as the
SNA
Channel for AIX
feature. Support for MPC+ connectivity is part of the SNA
Channel for AIX feature ...