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Unit 6, Section 24: IMS Connect and IMS TM tools

This video describes some of the tools that you can use with IMS Transaction Manager.

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Unit 6, Section 23: OTMA and OTMA Callable Interface

This video describes OTMA (Open Transaction Manager Access), which is a component of an IMS Control Region. OTMA provides an architected interface that permits it to communicate to devices through a…

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Unit 6, Section 22: Advanced Program-to-Program Communication (APPC)

This video describes Advanced Program-to-Program Communication (APPC), which is the IBM-proprietary SNA (Systems Network Architecture) implementation of client-server processing.

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Unit 6, Section 21: Conversational Processing

This video describes IMS processes and stores information from a conversation, which is defined as a dialog between a user at a terminal and IMS through a scratchpad area (SPA) and one or more…

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Unit 6, Section 20: Message Processing Calls

This video describes several DL/I function codes for IMS TM calls that have the same function code as IMS DB DL/I calls.

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Unit 6, Section 19: IMS GEN: Messaging Processing

This video describes how you use IMS generation to define all of transactions and programs to IMS.

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Unit 6, Section 18: Dynamic Transaction Backout

This video describes how dynamic transaction backout is invoked automatically when a program ABENDs (abnormally ends).

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Unit 6, Section 17: Scheduling Options: Preload of Selected Programs into Regions

This video describes how you can use the option to have the program already in the storage of the MPR region without needing it to be fetched from a load library.

From  5500031CVP 5500031CVP

Unit 6, Section 16: Scheduling Options: Wait-for-Input (WFI) Transactions

This video describes how you can use the wait-for-input option, which results in dedicating an MPR to a single transaction-program so that it is always ready if a transaction arrives.

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Unit 6, Section 15: Scheduling Options: Parallel Scheduling with Load Balancing

This video describes how you can configure parallel scheduling to have the same program and transaction run in more than one dependent region at the same time.

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Unit 6, Section 14: COBOL Coding Example with Message Queue Limit Priority and PROCLIM

This video describes how a simple COBOL application might be coded as an MPR.

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Unit 6, Section 13: Scheduled Transaction Flow

This video describes a transaction flows through an MPR.

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Unit 6, Section 12: Message Scheduling

This video describes how the IMS Scheduler serves as a “matchmaker” and assigns work that needs to be done (messages) to an MPR or JMP that is capable of processing that particular work.

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Unit 6, Section 11: Message Classes and Priorities

This video describes how the IMS Scheduler selects an instance of a transaction for processing by a MPR based on the Class and Priority of the transaction. The Class and Priority are specified as…

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Unit 6, Section 10: IMS TM Message Flow

This video describes how messages flow through IMS.

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Unit 6, Section 9: Master Terminal Operator and Master Terminal Commands

This video describes the MTO LTERM, which controls the IMS system and various commands that you can run on a master terminal versus a remote terminal.

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