sap system architecture
DESCRIPTION
SAP System Architecture. Web Browser. HTTP, HTTPS SMTP, SOAP, XML, …. Dispatcher Queue. ICM. SAP Web AS Java. Memory Pipe. SAP System Architecture. SAP GUI. DIAG. SAP Application Server(SAP Instance). Web. Dispatcher. M. Queue. SAP Buffer (Shared Mem). D. D. B. - PowerPoint PPT PresentationTRANSCRIPT
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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/!