CICS 3.1 Structure & Logic

Audience

System programmers and technical support staff responsible for supporting a CICS system. CICS application programmers who are responsible for reading their own CICS dumps would also benefit.

Skills Gained

This course aims to:

• Describe the internal structure of CICS/TS, including the domain structure.
• Explain how failures are internally handled and how the user can participate in ABEND processing.
• Present the control blocks and internal logic.
• Transaction dumps and system dumps are used as examples.
• IPCS is also reviewed so that students become familiar with this product.

Prerequisites

Systems Programmers with at least six months CICS experience and a basic knowledge of CICS Internals. Application Programmers with a minimum of nine months CICS programming experience.

Course Outline

• Architecture
• Domain Architecture
• Kernel Linkage
• Common Format Parameter Lists
• Common Format Modules
• Kernel Domain Repository
• The Kernel (KE) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Dispatcher (DS) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Trace (TR) Domain
• Where
• What
• Controls
• Overheads
• The Application (AP) Domain
• Important Structures
• Detailed Dump Information
• File Control (FC)
• Interval Control (IC)
• Terminal Control (TC)
• Transient Data (TD)
• The Program Manager (PG) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Transaction Manager (XM) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Storage Manager (SM) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• Detailed Dump Information
• The Loader (LD) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Message (ME) & Dump (DU) Domains
• Formats
• Relationship
• Dump Tables
• The Logger (LG) & Recovery Manager (RM) Domains
• Key Functions
• Relationship
• Important Structures
• Temporary Storage Domain (TS)
• Key Functions
• Important Structures
• Summary Dump Information
• The Enqueue Manager (NQ) Domain
• Key Functions
• Important Structures
• Summary Dump Information
• The Web-Related Domains
• Document Handler (DH)
• Enterprise Java Beans (EJ)
• Internet Inter-ORB Protocol (II)
• IP ECI (IE)
• Object Transaction Services (OT)
• Partner (PT)
• Request Streams (RZ)
• Scalable Java (SJ)
• Sockets (SO)
• Web Interface (WB)
• Business Transaction Manager Domains
• Event Manager (EM)
• Scheduler (SH)
• Miscellaneous Domains
• Debugging Profile (DP)
• Directory Manager (DD)
• Domain Manager (DM)
• External Security Interface (XS)
• Local & Global Catalogues (LC & GC)
• Lock Manager (LM)
• Monitor (MN)
• Parameter Manager (PA)
• RRS Interface (RX)
• Statistics (ST)
• Timer (TI)
• User (US)