through ªAffinity relationsº on page 4 show the relations and lifetimes that result from combining basic affinity transaction groups.

To help you analyze the effect of combining basic transaction affinity groups, the

Builder produces a report that lists the combinations that occurred.

 

Table 7. Resultant affinity relations

 

 

 

 

 

 

Relation A

Relation B

Resultant relation C

 

 

 

 

 

GLOBAL

Any relation

GLOBAL

 

 

 

BAPPL

BAPPL

BAPPL

 

 

 

BAPPL

LUNAME

GLOBAL

 

 

 

BAPPL

USERID

GLOBAL

 

 

 

 

 

LUNAME

LUNAME

LUNAME

 

 

 

 

 

LUNAME

USERID

GLOBAL

 

 

 

 

 

USERID

USERID

USERID

 

 

 

 

 

Table 8. Resultant affinity lifetimes (LUNAME relation)

 

 

 

 

 

 

Lifetime X

Lifetime Y

Resultant lifetime Z

 

 

 

 

 

PERMANENT

Any lifetime

PERMANENT

 

 

 

 

 

SYSTEM

SYSTEM

SYSTEM

 

 

 

 

 

SYSTEM

LOGON

SYSTEM

 

 

 

 

 

SYSTEM

PCONV

SYSTEM

 

 

 

 

 

LOGON

LOGON

LOGON

 

 

 

 

 

LOGON

PCONV

LOGON

 

 

 

 

 

PCONV

PCONV

PCONV

 

 

 

Table 9. Resultant affinity lifetimes (BAPPL relation)

 

 

 

 

Lifetime X

Lifetime Y

Resultant lifetime Z

 

 

 

PERMANENT

Any lifetime

PERMANENT

 

 

 

SYSTEM

Any other combination

SYSTEM

 

 

 

PROCESS

PROCESS

PROCESS

 

 

 

PROCESS

ACTIVITY

SYSTEM

 

 

 

ACTIVITY

PROCESS

SYSTEM

 

 

 

ACTIVITY

ACTIVITY

ACTIVITY

 

 

 

Table 10. Resultant affinity lifetimes (USERID relation)

 

 

 

 

 

 

Lifetime X

Lifetime Y

Resultant lifetime Z

 

 

 

 

 

PERMANENT

Any lifetime

PERMANENT

 

 

 

 

 

SYSTEM

SYSTEM

SYSTEM

 

 

 

 

 

SYSTEM

SIGNON

SYSTEM

 

 

 

 

 

SYSTEM

PCONV

SYSTEM

 

 

 

 

 

SIGNON

SIGNON

SIGNON

 

 

 

 

 

SIGNON

PCONV

SIGNON

 

 

 

 

 

PCONV

PCONV

PCONV

 

 

 

 

60 CICS Transaction Affinities Utility Guide

Page 76
Image 76
IBM OS manual Relation a Relation B Resultant relation C

OS specifications

IBM OS, or IBM Operating System, refers to a family of operating systems developed by IBM to support its hardware architectures. IBM has produced a range of OS versions tailored for different computing needs, such as mainframes, servers, and personal computers. Among the most notable operating systems in IBM's portfolio are OS/2, z/OS, and AIX, representing a blend of innovation and reliability that has defined IBM's reputation in the computing world.

One of the defining features of IBM OS is its robust multitasking capabilities. Both z/OS, predominantly used in IBM's mainframe environments, and AIX, the Unix-based system for IBM Power Systems, support multiple users and processes simultaneously. This ability allows organizations to run numerous applications in parallel efficiently, maximizing resource utilization and improving productivity.

In terms of security, IBM OS incorporates advanced features aimed at protecting data and maintaining integrity. z/OS offers multifactor authentication, data encryption, and a security model that adheres to the latest regulatory requirements. AIX provides Secure Virtualization, which enhances isolation and security in cloud environments, essential for enterprises handling sensitive information.

Another key characteristic is the adaptability of IBM OS to modern technologies. For instance, z/OS is designed to integrate with cloud computing, open source, and DevOps practices. This adaptability supports organizations in modernizing their infrastructure while retaining the stability associated with IBM solutions. AIX similarly supports containerization and virtualization, which are critical for optimizing resource usage in dynamic computing environments.

IBM's commitment to scalability is evident across its OS offerings. Organizations leveraging z/OS can handle enormous workloads and transactional volumes, making it a preferred choice for industries like finance and telecommunications. AIX also supports scalability, allowing businesses to expand their computing resources as demands grow without significant downtime.

The availability of development tools and environments is another noteworthy aspect of IBM OS. With robust IDEs and programming languages support, developers can create and deploy applications smoothly. This assists businesses in streamlining their development processes and improving time-to-market for innovative solutions.

In summary, IBM OS encompasses a suite of operating systems characterized by multitasking, security, adaptability to modern technologies, scalability, and comprehensive development support. These features have cemented IBM's position as a leader in enterprise solutions, allowing organizations across various industries to thrive in an increasingly digital world.