SAP R/3

Transcription

SAP R/3

SAP Overview
Systems, Applications and Products in Data Processing
http://www.sapfans.com/
What is SAP?
• SAP is an ERP System
• ERP Stands for Enterprise Resource
Planning
• An ERP System is a collection of
software programs which ties all of an
enterprises various diverse functions
(such as finance, sales, manufacturing,
human resources) into a cohesive data
base.
Introduction to SAP - History
• SAP stands for Systems, Applications,
and Products in Data Processing
• Founded in Germany by Five Former IBM
Engineers in 1972
• In 1988, SAP went public and became a
joint-stock company, SAP AG
Introduction to SAP - Today
• Headquartered in Walldorf, Germany,
• The World's Largest Inter-Enterprise Software
Company
• The world's Third-Largest Independent
Software Supplier Overall
• Employs Over 23,700 People in More than 50
Countries
• Additional Information can be Found on the
SAP Web Site http://www.sap.com/company
and http://www.sapfans.com/
Introduction to SAP
• SAP Supports all Kinds of Industries and
all Functions of the Industry
• SAP is an Integrated System
• This means that all SAP modules are
designed to share information and
automatically create transactions based
on various business process.
Introduction to SAP
• SAP R/2 is the SAP Mainframe Based
Software Package
• SAP R/3 is the SAP Client/ Server – 3
Tier Architecture Based Software
Package
R/2 System Components
•
•
•
•
•
•
•
RA - Assets Accounting
RF - Financial Accounting
RK - Cost Accounting
RK-P - Projects
RM-INST - Plant Maintenance
RM-MAT - Materials Management
RM-PPS - Production Planning and
Control
R/2 System Components
• RM-QSS - Quality Assurance
• RP - Human Resources
R/3 Business Application Modules
•
•
•
•
•
•
FI - Financial Accounting
IM - Investment Management
CO - Controlling
SD - Sales
MM - Materials Management
PP - Production Planning
R/3 Business Application Modules
•
•
•
•
QM - Quality Management
PM - Plant Maintenance
PS - Project System
HR - Human Resources
Characteristics of SAP R/3
• Consists of business application modules
that can be used either individually or in
combination with other modules.
http://wwwext03.sap.com/scripts/redirect.asp?contenturl=http://sap.mis.cmich.edu&sou
rce=ext&backurl=/usa/alliance/alliancemem.asp
Quiz
1. What does SAP stand for?
2. What does ERP stand for?
3. What is the difference between SAP R/2
and SAP R/3?
4. What business application module is the
FI module?
5. Is the FI module an R/2 or R/3 business
application module?
Quiz - Answers
1. System, Application, and Products in Data
Processing
2. Enterprise Resource Planning
3. SAP R/2 is the SAP Mainframe Based
Software Package and SAP R/3 is the SAP
Client/ Server – 3 Tier Architecture Based
Software Package
4. Financial Accounting
5. R/3 – the R/2 Financial Accounting model is
RF
SAP Overview &
Basis Technology
Topics
• The R/3 Basis System
– Client/Server Architecture
– Application Architecture
– System Communication
• Technical Architecture
– Client/Server Overview
– Resource Management
– Technical Configurations
– Object Migration
– The “Database” Client
SAP R/3 Basis System
Logistical
Financial
Sales &
Distribution
Financial
Accounting
Materials
Mgmt.
Controlling
Production
Planning
Fixed Assets
Mgmt.
R/3
Client / Server
ABAP/4
Quality
Mgmt.
Plant
Maintenance
Human
Resources
Project
System
Workflow
Industry
Solutions
Basis System: Three-Tier Computer
Hierarchy
Central Database
(Storage of all data)
Access to Dataase:
(Read / Write data)
Database
Input / Output
of data to users
Processing of data
using application logic
Application
Presentation
Presentation of the
processed data to
the user
Typical Basis Systems: Client Server
Architecture
Presentation
Central System
Two - tier
Distributed System
Two - tier
Client/Server
Three - tier
Client/Server
Multi-layer
Cooperative
Client/Server
(w/ release 4.0B)
Application
Database
Basis System: Application Architecture
Hardware
UNIX systems
Bull
Digital
Operating
Systems
Databases
Dialog
SAPGUI
Sold to party: C100
HP
IBM
SNI
SUN
AT&T
Data General SNI
Bull/Zenith
HP
Sequent
Compaq
IBM
Digital
AIX
SINIX
HP-UX SOLARIS
Digital UNIX
Windows NT
OS/400
ADABAS D,
DB2, INFORMIX,
ORACLE 7.1
ADABAS D, Oracle 7.1,
MS SQL Server 6.0
DB2/400
Windows 3.1, Windows 95, Windows NT, OSF/Motif,
Presentation Manager, Macintosh
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Languages
IBM
AS/400
ABAP/4, C, C++
Windows ‘95
OS/2
R/3 Communication / Interfaces
Remote
Function Call
Electronic Data
Interchange
Application
Link Enabling
Program Interface
Communication
Object Linking
and Embedding
Web
Interface
Topics
• The R/3 Basis System
– Client/Server Architecture
– Application Architecture
– System Communication
• Technical Architecture
– Client/Server Overview
– Resource Management
– Technical Configurations
– Object Migration
– The Client
Client/Server Overview
Server
LAN
TCP / IP
Client
Client/Server Overview
(Logical Structure)
Server
Data Storage
Application
Logic
Client
Presentation
SAP R/3 Resource Management: The Dispatcher
Presentation
SAP GUI
Communications
Application
Dispatcher
Work
Process
Data base
Work
Process
Work
Process
Buffers
SAP R/3 Resource Management: Data
Flow
Presentation
SAP GUI
Terminal
Process
1
7
Application
Dispatcher
3
6
Data base
SAP Memory Buffer
Roll
Work
Process
4
Request queues
2
Page
5
Relational data base system
SAP R/3 Resource Management: Work
Processes
A
B
Update
Dialog
Message
Sold to party: C100
Sold to party: C100
Item Material Qty
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6301
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Item Material Qty
10
6301
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20
6412
10
30
1507
25
Order
Order
M
Sold to party: C100
Sold to party: C100
Item Material Qty
10
6301
10
20
6412
10
30
1507
25
Item Material Qty
10
6301
10
20
6412
10
30
1507
25
Order
Background Jobs
SAP Dispatcher Enqueue
1999
1
2
3
4
5
6
7
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11
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15
16
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Order
C
Gateway
Spool
R/3
R/2
G
SAP R/3 Resource Management:
Lock Management by the Enqueue Work Process
Instance A
Message
Server
Dispatcher
Work
Process
Work
Process
Update
Enqueue
Instance B
Dispatcher
Lock table in
main storage
Work
Process
Work
Process
Update
Enqueue
SAP R/3 Resource Management: R/3
Instance
Database
Instance
Message
Server
Instance Profiles
(parameters)
SAP
Gateway
Dispatcher
Dialog
....
Update
Spool
SAP Buffers
Start
or
Stop
Background
Enqueue
SAP R/3 Resource Management:
Distributed SAP R/3 Processing
Instance 03
Instance 02
Dispatcher
Dialog
Background
Dispatcher
Enqueue
Enqueue
Dialog
...
Instance 01
Dispatcher
Dialog
Update
Enqueue
Spool
Message
Gateway
Technical Configuration
Development
Testing
Production
Database
Servers
Application
Servers
Presentation
Servers
Technical Configuration: Example
Object Migration
Corrections and Transport
Development
QA Testing
Production
Program A
Program A
Program A
Table A
Table A
Table A
Screen A
Screen A
Screen A
Object Migration
Development
Program A
Version 1
Program A
Version 2
Program A
Version 3
Originals
Corrections
and
Transport
?
?
QA Testing
Program A
Version 1
Program A
Version 2
Program A
Version 3
The Client
America
Europe
Japan
Client 010
Client 020
Client 030
R/3
Europe
R/3
America
R/3
Japan
Client Copies
Configuration
Development
Quality Assurance
Interface Testing
User Training

SAP R/3

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