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SAP System Architecture

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.

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SAP System Architecture

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  1. SAP System Architecture

  2. 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 V S E G Oracle Informix DB2 MS SQL Server MAX DB Database Server

  3. SAP Installation Concept

  4. SAP Installation Concept • Install Oracle RDBMS • Install Central Instance (SAP Application Server) • Install Database Instance • Install SAP GUI

  5. 1.Install Oracle RDBMS

  6. Install Oracle RDBMS

  7. 2.Install Central Instance

  8. Install Central Instance

  9. 3.Install Database Instance

  10. Install Database Instance

  11. Install Database Instance

  12. 4.Install SAP GUI

  13. Install SAP GUI

  14. SAP Architecture Overview

  15. One - tier Two - tier Three - tier configuration configuration configuration Presentation Presentation Presentation processes Application Application Application processes Database Database Database Database , Database , application , processes application processes presentation processes SAP System Configuration

  16. SAP System : Central Instance SAP Application Server (Central Instance) M Dispatcher SAP Buffer Roll Area Queue … Program Buffer … Table Buffer D D B V S E G

  17. SAP System : Dialog Instance SAP Application Server (Dialog Instance) Dispatcher SAP Buffer Roll Area Queue … Program Buffer … Table Buffer D D D D D D G

  18. SAP Instance Dialog Instance A Dialog Instance B Dispatcher Dispatcher D D D … D D B … Central Instance M Dispatcher D D B V E S … …

  19. Work Process Types • D = Dialog • B = Background • V = Update • E = Enqueue • S = Spool

  20. SAP System • SID = System Identifier • System Number Three-tier configuration 00, 01,… port 3200 00 by default Standard User System Client SAP*/06071992 DDIC/19920706 000 Application processes 001 066 earlywatch/support SAP*/06071992 Database processes Monitored by SAP

  21. SAP System : Client 000 001 Client Copy 066 800

  22. SAP System Logon

  23. Data in SAP System ≈ 90 tables User Master configurations ≈ xxxx tables 1. Client-dependent Data (Client-Specific) Customizing Master Application Transaction ≈ xx,xxx tables Customizing e.g. printer 2. Client-independent Data (Cross-Client) ABAP programs Repository

  24. SD Sales & Distribution FI Financial Accounting MM Materials Mgmt. CO Controlling PP Production Planning AM Fixed Assets Mgmt. SAP Client / Server ABAP QM Quality Manage-ment TR Treasury PM Plant Main-tenance WF Workflow HR Human Resources IS Industry Solutions SAP System : Application Modules

  25. System Landscape DEV QAS PRD transport transport Manage master configuration CUST QTST PROD Write ABAP program Test data Quality Testing DEVL TRAN UTST Unit test Training client SAND Common Shared Directory

  26. SAP System : Dialog Processing Report ztest. Tables customers. Select single * from customers where id = 1. Write: / customers-name. 1 8 SAP Application Server Dispatcher 2 SAP Buffer Request Queue 7 Program 4 3 Roll Area D D D … D … 6 5 Database Server

  27. Work Process Architecture Dialog Work Process Local Memory Memory Space TaskHandler ABAP Processor Receive input from ABAP program List buffer DYNPRO Processor Receive input from screen DB Interface Change Open SQL statement to DB statement Result Set Database Server

  28. SAP Web AS Technology

  29. 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

  30. 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 …

  31. SAP GUI for HTML http://<SAP Instance>:<ICM port>/sap/bc/gui/sap/its/webgui/!

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