Download - SAP System Architecture
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SAP System Architecture
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SAP System ArchitectureSAP System Architecture
Database Server
M
SAP Application Server(SAP Instance)
Oracle
Informix
DB2
MS SQL Server
MAX DB
G
Dispatcher
Queue
D D B V S E
SAP Buffer(Shared Mem)
SAP GUI
DIAG
Dispatcher Queue
ICM
Memory Pipe
SAP Web AS Java
Web Browser
HTTP, HTTPS
SMTP, SOAP, XML,…Web
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SAP Installation Concept
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SAP Installation Concept
• Install Oracle RDBMS
• Install Central Instance (SAP Application Server)
• Install Database Instance
• Install SAP GUI
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1.Install Oracle RDBMS
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Install Oracle RDBMS
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2.Install Central Instance
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Install Central Instance
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3.Install Database Instance
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Install Database Instance
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Install Database Instance
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4.Install SAP GUI
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Install SAP GUI
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SAP Architecture Overview
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SAP System Configuration
ApplicationApplication
DatabaseDatabase
PresentationPresentation
Database , application ,presentation processes
One - tierconfiguration
Two - tierconfiguration
Three - tierconfiguration
Presentation processes
Database ,application processes
Databaseprocesses
Application processes
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SAP System : Central InstanceSAP System : Central Instance
SAP Application Server (Central Instance)
M
G
Dispatcher
Queue
D D
B V S E
SAP Buffer
Roll Area
ProgramBuffer
TableBuffer
…
…
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SAP System : Dialog InstanceSAP System : Dialog Instance
SAP Application Server (Dialog Instance)
G
Dispatcher
Queue
D D
D D
SAP Buffer
Roll Area
ProgramBuffer
TableBuffer
…
…
D D
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SAP Instance
Dispatcher
D D D …
Dispatcher
D …
Dispatcher
D D B …V E S …
M
D B
Dialog Instance A Dialog Instance B
Central Instance
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Work Process Types
D = Dialog B = Background V = Update E = Enqueue S = Spool
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SAP System
• SID = System Identifier
• System Number
Three-tierconfiguration
Databaseprocesses
Application processes000
001
066
System Client
SAP*/06071992DDIC/19920706
earlywatch/supportSAP*/06071992
Standard User
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SAP System : Client
000
001
066
800
Client Copy
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SAP System Logon
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Data in SAP System
1. Client-dependent Data(Client-Specific)
2. Client-independent Data(Cross-Client)
User Master
Customizing
Application
Master
Transaction
Customizing
Repository
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SAP System : Application Modules
SAPSAPClient / ServerClient / Server
ABAPABAP
FIFIFinancialFinancial
AccountingAccounting
COCOControllingControlling
AMAMFixed AssetsFixed Assets
Mgmt.Mgmt.
TRTRTreasuryTreasury
WFWFWorkflowWorkflow
ISISIndustryIndustry
SolutionsSolutions
MMMMMaterialsMaterials
Mgmt.Mgmt.
HRHRHumanHuman
ResourcesResources
SDSDSales &Sales &
DistributionDistribution
PPPPProductionProductionPlanningPlanning
QMQMQualityQuality
Manage-Manage-mentment PMPM
Plant Main-Plant Main-tenancetenance
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System Landscape
DEV
CUST
DEVL
QAS
QTST
PRD
PROD
Common Shared Directory
UTST
SAND
TRAN
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SAP System : Dialog Processing
Database Server
SAP Application Server
Dispatcher
RequestQueue
D D D D…
SAP Buffer
Program
Roll Area
1
2
3
4
56
7
8
Report ztest.
Tables customers.
Select single * from
customers where id = 1.
Write: / customers-name.
…
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Work Process ArchitectureWork Process Architecture
TaskHandler
DYNPRO Processor
ABAP Processor
Local Memory
Memory Space
DB Interface
List buffer
Database Server
Result Set
Dialog Work Process
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SAP Web AS Technology
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SAP Web Application Server
• The SAP Web AS is an open, scalable, and high-availability infrastructure for developing dynamic and company-wide Internet applications
• It is a server based on the well-known SAP Application Server technology, with the additional enhancement of Web functionality
• The SAP Web AS is the new technological basis of all mySAP Business suite solutions. It is also the core element of the SAP R/3 Enterprise system – the successor to the classic SAP R/3
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SAP Web AS Release
• SAP Web AS 6.10– ICM
• SAP Web AS 6.20– ICM, J2EE
• SAP Web AS 6.30– ICM,J2EE + Eclipse,Web Dynpro
• SAP Web AS 6.40– ICM,J2EE + Web Dynpro + Integrated ITS
• SAP Web AS 7.00– Oracle 10g …
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SAP GUI for HTML
http://<SAP Instance>:<ICM port>/sap/bc/gui/sap/its/webgui/!