August 2012
Intermediate to advanced
168 pages
5h 36m
English
book
RACF Remote Sharing Facility over TCP/IP
by Karan Singh, Rama Ayyar, Mike Onghena, Phil Peters, Arunkumar Ramachandran, Philippe Richard, Roland Schwahn
Content preview from RACF Remote Sharing Facility over TCP/IP
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Chapter 1. Introduction 3
1.1.3 Multi-system node and single-system node
Nodes can also be single-system (SSN) or multi-system (MSN). An MSN node consists of
several z/OS systems that share a RACF database. Each system is defined to RACF as an
RRSF node, and one system is identified as the MAIN system.
An SSN node consists of only one system. Figure 1-2 shows an RRSF network of two MSNs
and a one SSN.
Figure 1-2 Multi-system node (MSN) and single system node (SSN)
MSN and SSN have the following aspects:
All SSNs in an RRSF network send requests only to the main system of an MSN. In
Figure 1-2, SSN NODEC sends requests only to the main system, ...
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