BASIS

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Module Objectives

• Describe the R/3 BASIS system and technical environment

• Define the transaction concept

• Explain the concepts of client/server architecture

• Define key SAP terminology (e.g., instance, client)

• Describe authorization

• Describe Online Support Service (OSS)

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The R/3 BASIS System

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R/3 Technical Environment

ORACLE7Informix Online 6

ADABAS DDB2/6000* (for AIX only)

ORACLE7Informix Online 6

ADABAS DDB2/6000* (for AIX only)

Windows 3.1, Windows 95 Windows NT, OSF/Motif, Presentation Manager, Macintosh

AIXHP-UXOSF/1

SINIXSOLARIS

UNIX SystemsBull

DigitalHP

IBMSNISUN

AT&TBull/Zenith

Compaq

IBM (Intel)Sequent

SNIAS/400

Data GeneralDigital

HP (Intel)

Windows NTOS390OS400

ORACLE7ADABAS D

MS SQL Server 95DB2

ABAP, C, C+ +LanguagesLanguages

Dialog Dialog SAP-GUISAP-GUI

DatabaseDatabase

Operating Operating SystemsSystems

HardwareHardware

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Client/Server Basics

Client

Process 1

Server

Process 1

Request for a

service

Response

Softwareperspective

Client Server

Hardwareperspective

LAN WAN

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The Transaction Concept

Dialog steps

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Client/Server Architecture Overview

Stores all data and application programs

Application programs

User input/output data

Database accesses and buffer updates

Data Storage Level

Application Logic Level

Presentation Level

0

20

40

60

80

1s t Q tr 2nd

Q tr

0

20

40

60

80

1s t Q tr 2nd

Q tr

0

20

40

60

80

1s t Q tr 2nd

Q tr

0

20

40

60

80

1s t Q tr 2nd

Q tr

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Three-tierClient/Server

DistributedPresentation

Two-tierClient/Server

SAP R/3 System

Multi-LayerCooperative

Client/Server

Presentation Application Database

Central System /Laptop

R/3 System Client/Server Configurations

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The R/3 Dispatcher & R/3 Dialog

Application

Database

Presentation

DispatcherDispatcher

SAP GUISAP GUI

Work ProcessWork ProcessABAP

ProcessorABAP

Processor

Work ProcessWork ProcessABAP

ProcessorABAP

Processor

Work ProcessWork ProcessABAP

ProcessorABAP

Processor

Database

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SAP Instance

Reading the DBand updating thebuffer

Object-Orientedupdate requests(asynchronous)

Database Updates

Application Server

User Interaction

UserOutputData

UserInput Data

User OutputData

User InputData

(Stores all data andapplication programs)

Buffer tocentral DB

Buffer tocentral DB

A single SAP installation that includes Relational Database Management System (RDBMS) runtime and core application programs

More than one instance can be installed on the database server

Example: Three separate instances can be set up

for the Production, Development, and Quality environments

Instance

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Instance

SAP Client

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Key SAP Terminology

Client Independent

Client Dependent

Client 100

Client 200

ABAP ProgramsPrinter DefinitionsSome Configuration:• Decimal Places for Currencies• SAP Calendar

All transaction dataMost Configuration:• Sales Areas • Customer Groups• Document Types• etc…..

Client 100

Client 200

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Sample SAP Client/System Strategy

Sandbox - Client 100

Test - Client 200

Gold - Client 300

Test - Client 100

Master - Client 200

Master - Client 300

ProductionSystem

ProductionSystem

TestSystem

TestSystem

DevelopmentSystem

DevelopmentSystem

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Authorizations / Profiles

Job description A

Jobdescription B

User master record

Profile

authorizationsfor job description A

User master record

Profile

authorizationfor job description B

Authorization exists ?

Objects to be protectedVendor

Company code Plant

Material

Action Action

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Online Support Service (OSS)

SAPNet OSSDatabase

Problem & InformationDatabase

HotNewsLatest SAP News

Release, Installation& Upgrade Notes

OnlineAssistance

Training Offerings &Course Descriptions

SSCR (SAP Software Change Registration) Access

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Any questions?

Questions & Answers