Other Sources of Information

IBM provides customer-accessible discussion areas where RACF may be discussed by customer and IBM participants. Other information is availa the Internet.

IBM Discussion Areas

Two discussion areas provided by IBM are the MVSRACF discussion and th SECURITY discussion.

ŸMVSRACF

MVSRACF is available to customers through IBM's TalkLink offering. To acc MVSRACF from TalkLink:

1. Select

S390

(the S/390 Developers' Association).

2. Use

the

fastpath keyword: MVSRACF.

Ÿ SECURITY

 

 

 

SECURITY

is

available to

customers through IBM's DialIBM offering, wh

may be

known

by other

names in various countries. To access SECURITY

1.Use the CONFER fastpath option.

2.Select the SECURITY CFORUM.

Contact your IBM representative for information on TalkLink, DialIBM, or eq offerings for your country and for more information on the availability MVSRACF and SECURITY discussions.

Internet Sources

The following resources are available through the Internet:

ŸRACF home page

You can visit the RACF home page on the World Wide Web using this http://www.s39ð.ibm.com/products/racf/racfhp.html

or http://www.s39ð.ibm.com/racf

ŸRACF-L discussion list

Customers and IBM participants may also discuss RACF on the RACF-L discussion list. RACF-L is not operated or sponsored by IBM; it is University of Georgia.

To subscribe

to

the

RACF-L

discussion,

so you can receive postings,

note

to:

 

 

 

 

 

 

listserv@uga.cc.uga.edu

 

 

 

Include

the

following

line

in the body

of the note, substituting yo

and

last

name

as

indicated:

 

subscribe racf-lfirst_name last_name

To post a question or response to RACF-L, send a note to:

racf-l@uga.cc.uga.edu

Include an appropriateSubject: line.

ŸSample code

xivOS/390 V2R4.0 Security Server (RACF) Planning: Installation and Migration

Page 15 Page 17
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Image 16
IBM OS/390 manual Other Sources of Information, Security, Racf home RACF-L discussion list, Sample code
Page 15 Page 17

OS/390 specifications

IBM OS/390, a versatile operating system, was a cornerstone in enterprise environments and played a pivotal role in mainframe computing. Released in the mid-1990s, OS/390 combined the strengths of IBM's MVS (Multiple Virtual Storage) with new features and enhancements, targeting scalability, reliability, and performance in demanding business applications.

One of the key features of OS/390 was its robust support for multiple users and processes. The system allowed thousands of concurrent users to access applications and data, ensuring high availability and minimizing downtime—a critical requirement for many large organizations. This scalability was supported through various enhancements in memory management and processor scheduling, enabling optimal resource allocation across diverse workloads.

OS/390 was known for its superior workload management capabilities. The Workload Manager (WLM) component allowed administrators to define service policies, specifying how system resources would be allocated according to the priority of tasks. This ensured that critical business processes received the necessary resources while less critical tasks were managed more flexibly.

Another significant characteristic of OS/390 was its commitment to security. The operating system provided comprehensive security features, including user authentication, data encryption, and auditing capabilities. This focus on security was vital for organizations handling sensitive data, ensuring compliance with regulations and safeguarding against unauthorized access.

OS/390 also supported advanced technologies that facilitated integration and development. The system included features like the IBM CICS (Customer Information Control System) for transaction processing and IMS (Information Management System) for database management. These technologies allowed organizations to build robust, high-performance applications tailored to specific business needs.

The ease of network integration was another strength of OS/390. With the advent of the Internet and global connectivity, OS/390 systems could easily interface with various network protocols, enabling businesses to operate in a connected world. This inclusion paved the way for many organizations to expand their capabilities and offer new services, driving digital transformation.

In conclusion, IBM OS/390 represented a significant advancement in mainframe technology, combining scalability, security, and robust workload management. Its rich feature set and support for critical enterprise applications solidified its role as a vital component of many organizations' IT infrastructures, ensuring they could meet their operational challenges head-on while supporting future growth. As technology continues to evolve, the legacy of OS/390 remains influential in the realm of computing.
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