Objectives

On successful completion of this course, attendees will be able to:

• develop an extensive SNA vocabulary
• identify the major SNA components and their role within the architecture
• identify and use the various address structures used in SNA
• describe the purpose and data flow characteristics of each session type
• explain how chaining, bracketing, and pacing operate
• identify the major SNA commands and command flows
• characterise SNA requests and responses
• interpret SNA message structures at each level
• describe the operation of path control and it’s components
• list the characteristics of APPC communication
• interpret SNA data link message structures in SDLC, Token Ring, X.25, and Frame Relay networks
• describe the importance and use of APPC verbs
• identify the APPN node types and explain their function
• explain the principles of APPN routing and addressing.

Who Should Attend

This course is ideal for all personnel working in operations, systems programming, and networking departments. Programmers, analysts, network designers, and managers will also benefit.

Prerequisites

No previous SNA knowledge or experience is required, although some familiarity with basic networking principles would be an advantage.

Duration

3 days

Fee

£1350 (ex. VAT)

Course Code

CSNF

Contents

Introduction

What is SNA?; hardware and software; nodes and datalinks; SNA layers.

Network Accessible Units

SNA NAUs; SSCP functions; CMC and data hosts; PU types and functions; LU functions; NAU data flow; address awareness; network addresses and message format.

SNA sessions

Sessions and half-sessions; half-session layers; session types; setup flows; initiation sequences; logon request processing; LU-LU session types.

Network installation

Network planning; MVS considerations; Network related data sets; VTAM start procedure; SYS1.VTAMLST.

Network definitions

Major & minor nodes.

Applications & local terminals

Applications & local terminals; application major nodes; TSO sessions; SNA terminals; SNA major nodes; non-SNA terminals.

Console commands

Start; Display Net; Vary Net; Modify; Halt.

User tables

USS logon procedure; Mode tables; USS tables; USSCMD macro; USSPARM macro.

Multi-Systems Networking Facility

MSNF Terminology; Path control; transmission groups; explicit routes; PATH statement; Class of Service (COS); cross domain logon processing; cross domain resource managers; CDRSC definitions; cross domain resources.