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z/OS BMC Mainframe: z/OS Communications Server Part 1 - Implementing an APPN Network using SNA/VTAM
Course Description
Overview
This newly revised four-day course is the first part of the definitive z/OS Communications Server training programme. It is an essential requirement for all personnel working in or with an SNA (APPN and SubArea) network. This in-depth course introduces and explains the concepts, terminology and configuration of SNA, VTAM and APPN. Emphasis is placed upon, but is not limited to, VTAM implementations of SNA in both an APPN and SubArea Network. Additionally, APPC is explained in detail. The course also teaches how to define the network in order to optimize response time and throughput, especially in a Parallel Sysplex.Please note that this is a highly practical course where each student will have their own VTAM/APPN Network.
Objectives
- Define startup and session establishment procedures to the z/OS Communications Server (VTAM) using parameters and logmodes
- Reinforce understanding of SNA architecture implementation
- Define network resources (major/minor nodes) to VTAM
- Avoid the most common mistakes made by new users
- Identify and code routing requirements for an APPN and SubArea network
- Code the definitions to support cross-domain communication in an APPN Network
- Understand uses of VTAM console commands
- Diagnose SENSE code information
- Code USS and LOGMODE tables
- Explain how APPN uses HPR
- Describe the Message structure
- Understand Enterprise Extender and how to code it in an APPN Network
- Recognise the parameters needed for APPC applications
- Understand why VTAM Generics and Multi Node Persistent Session is needed in an APPN network for continuous availability in a Parallel Sysplex
- Perform a VTAM/APPN trace
Audience
- Operations personnel » Systems programming » Networking departments
Prerequisites
- A knowledge of z/OS concepts. A basic understanding of network concepts would be helpful but is not mandatory.
Topics
- SNA – Introduction
- Console Commands
- Network Addressable Units
- SNA Sessions
- APPN/HPR Topology
- Network Installation and Definition
- VTAM and APPN Resources
- User-Coded Tables
- APPN and VTAM Data Flow
- APPN Message Structures
- VTAM/APPN Trace
- Enterprise Extender
- Using VTAM Generics and Multi Node Persistent Sessions
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