Coordinating address space (CAS)
Related topics
Product features
The CAS runs as a subsystem. It manages communication with CASs on other local and remote systems, and provides direct communication between an individual terminal session and a product address space.
Usually, one LPAR runs one CAS. However, a single CAS can communicate with an unlimited number of remote systems. A product establishes an independent connection with its local CAS. You can add new products or upgrades to the architecture without affecting existing products or other configurations.
Each CAS contains a component called Plex Manager. Plex Manager provides administration and operations views with which you can perform the following actions:
- Manage communication links with other CASs
- Monitor the activity of accessible products
- Create single system image (SSI) contexts
- Control security for products
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