
140 IMS in the Parallel Sysplex, Volume I: Reviewing the IMSplex Technology
Figure 7-2 IMS architecture in an IMS Version 8 environment
7.2 Common Service Layer (CSL) architecture
The Common Service Layer is an evolving architecture for the IMSplex. It is an architecture,
not an address space. The IMSplex consists of the three new CSL address spaces built on
the Base Primitive Environment (BPE), plus existing address spaces.
7.2.1 CSL address spaces
In IMS Version 8, there are three new IMS CSL address spaces:
Structured Call Interface (SCI)
Operations Manager (OM)
Resource Manager (RM)
The Common Service Layer is a set of address spaces which ...