SAP Overview

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SAP • SAP has abbreviated as systems, Analysis and Program Development

in 1972

• SAP has developed as Systems, Applications and Products in 1977

• SAP has founded by 5 former employees of IBM Dietmar Hopp, Hans-

Werner Hector, Hasso Plattner, KlausTschira and Claus Wellenreuther

at walldrof, Germany in 1972

• SAP is Public limited company known as SAP AG

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SAPSAP is three dimensional integrated software

• Integration of core business systems within the organization from Financials, Human resources, logistics, etc.

• Seamless flow of data which transacts in between two organizations

• Controversial approach of combining various business functions into one application and database

• In standard project system, it is divided into three environments Development, Quality Assurance and Production

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SAP Architecture

SAP architectures:

• One Tier [R/1]

• Two Tier [R/2]

• Three -Tier Architecture [R/3]

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SAP ArchitectureOne Tier

• In 1973, SAP Created a basic financial and logistic system called the R/1 System where R Stands for Real Time

Two Tier• In 1981, SAP introduced its second generation of application software ‘SAP R/2’ system• SAP R/2 system installed on Mainframe computers and implemented for Small and

Large enterprises • SAP R/2 was the first ERP system which automates the financial, accounting, human

resources, sales, procurement and manufacturing functions• R/2 System designed to handle Languages and Currencies to attain high level of

stability than previous generation

Modules•RS (Basis), RF (Financial Costing), RM-INST (Plant Maintenance)•RM-MAT (Material Management), RM-PPS (Production Planning)•RM-QSS (Quality Assurance), RP (Human Resources) and•RV (Sales and Distribution)

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SAP R/3 Architecture

SAP R/3 architecture is based on a 3-tier client/server principle

Server Classification:

• Presentation Server • Application Server • Database Server

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3-Tier Architecture•SAP R/3 is integrated software solutions for client/server and distributed open systems•SAP R/3 software is highly customizable, scalable using SAP’s proprietary programming language•SAP R/3 Comprised of presentation, application and database servers•SAP R/3 is based on various hardware and software architectures, running on UNIX, Windows and OS/400•SAP R/3 runs on several databases Oracle, Adabas D, Informix, DB2 for UNIX, DB2/400, Microsoft SQL Server 6.0•SAP R/3 Servers are linked by Communication Networks which perform tasks without sacrificing data integration and processes within the system

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Servers OverviewPresentation Server

• GUI only• At workstation• Sends requests to application server• Obtains screens from application server and displays

Application Server• One application server is needed to operate an sap system• Services are divided among several application servers • Services are technically carried out by Work Processes (Components)• Components are able to execute an application (Logic)

Database Server• Interface between application server and RDBMS• Holds the vendor specific DB driver

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Multi-tier Internet Architecture

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User Dialog: Graphical information processing

Processing application logic: System ManagementTransaction Monitoring

Handling Internet access

Processing Internet Transactions

Presentation

Application

Database

CreateProduction

Orders

ReleaseProduction

Orders

ScheduleProduction

Accept Customer

Order

ConfirmDelivery

BuildProducts

ExplodeBill-of-Material

ReserveMaterial

CustomerService

Rep

PlantPersonnel

ProductionOrder

CustomerOrder Part Material Task

Internet

Information StorageDatabase Backup

Layer Internet Architecture

Multi-tier

10-20%

60-70%

5-10%

10-20%

Load

Application Services

Database Services

Internet Server

WebServer

WebBrowser

Presentation Services

Presentation Services

WebServer

Internet Server

Application Services

Database Services

2-tier 3-tier

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SAP Environment

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MMMaterial Procurement

Inventory ManagementBatch ManagementGoods inspection

Invoice Verification

PPBOM/Work Center/Routing

MRPCapacity Evaluations

Production OrdersQM in production

SDInquiry processing

Sales Order ProcessingDelivery Processing

Billing

FIGeneral Ledger

Accounts PayableAccounts receivableCash management

COCost Center Accounting

Product CostingOrder Contribution Analysis

SAP Modules

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SAP Standard Application Benchmarks

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Materials Management - MMSales & Distribution - SDProduction Planning - PPWarehouse Management -WMAssemble-To-Order - ATOAdvanced Planning and Optimizing - APO

Project System - PS

Online Store

Cross Application Time Sheets - CATSPayroll

Business Information Warehouse - BW

E-commerce

mySAP Human Resources

mySAP Business Intelligence

Retail Banking - Bank Customer Accounts - BCAUtilities - Customer Care and Service - CCS

Industry Solutions

mySAP Supply Chain Management

mySAP Product Lifecycle Management

Financial Accounting - FI

mySAP Financials

Internet SalesCustomer Interaction Center

mySAP Customer Relationship Mgmt

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Thank You

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