TS/MP Release Supplement

HP NonStop TS/MP Release Supplement—546055-006
1-1
1 ACS Subsystem
The Application Cluster Services (ACS) provide link-management functions for
applications using Pathsend requesters on the NonStop server platform.
ACS replaces the traditional TS/MP 2.0 LINKMON (TS/MP ROUT) process to provide
the Pathsend functionality on the system.
This section includes these topics:
•
Architecture Overview
•
ACS Domains
•
Security
•
Improved Application Availability
•
Pathway Domain Configuration Management
•
ACSCTL File Configuration
•
Configuration and Environment Limits
•
Link Management
•
System Management Interface
•
Pathsend API
•
Application Programming Compatibility and Pathway Domains
•
Load Balancing PATHMON Link Requests in a Pathway Domain
•
Process Management
•
PATHTCP4
•
Statistics Collection
•
Error Handling
Architecture Overview
The following processes are the basic components in the ACS subsystem:
•
Domain Coordinator Process ($ZACS)
•
Process Broker Process ($ZPnn)
•
Configuration Subscriber Process ($ZCSnn)
•
Redirector (ROUT) Process ($ZLnn)
The domain coordinator process manages a single instance of each process broker,
configuration subscriber, and redirector (ROUT) process that is replicated in all CPUs