Coordinating address space (CAS)

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.

Related topic

Product-features

Each CAS contains a component called Plex Manager. Plex Manager provides administration and operations views that help you:

  • 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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