z/OS Communications Server: SNA Network Implementation Guide
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VTAM functions

z/OS Communications Server: SNA Network Implementation Guide
SC27-3672-01

VTAM® performs a number of tasks in a network. For example, VTAM:
  • Monitors and controls the activation and connection of resources
  • Establishes connections and manages the flow and pacing of sessions
  • Provides application programming interfaces (for example, an APPC API for LU 6.2 programming) that allow access to the network by user-written application programs and IBM-provided subsystems
  • Provides interactive terminal support for Time Sharing Option (TSO) using Multiple Virtual Storage (MVS™)
  • Provides support for both locally and remotely attached resources
Parent topic: VTAM networking concepts

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