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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 architecture1

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

sap installation concept1
SAP Installation Concept
  • Install Oracle RDBMS
  • Install Central Instance (SAP Application Server)
  • Install Database Instance
  • Install SAP GUI
sap system configuration

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
sap system central instance
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

sap system dialog instance
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

sap instance
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

work process types
Work Process Types
  • D = Dialog
  • B = Background
  • V = Update
  • E = Enqueue
  • S = Spool
sap system
SAP System
  • SID = System Identifier
  • System Number

Three-tier

configuration

Standard User

System Client

SAP*/06071992

DDIC/19920706

000

Application processes

001

066

earlywatch/support

SAP*/06071992

Database

processes

sap system client
SAP System : Client

000

001

Client Copy

066

800

data in sap system
Data in SAP System

User Master

1. Client-dependent Data

(Client-Specific)

Customizing

Master

Application

Transaction

Customizing

2. Client-independent Data

(Cross-Client)

Repository

sap system application modules

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
system landscape
System Landscape

DEV

QAS

PRD

CUST

QTST

PROD

DEVL

TRAN

UTST

SAND

Common Shared Directory

sap system dialog processing
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

work process architecture
Work Process Architecture

Dialog Work Process

Local Memory

Memory Space

TaskHandler

ABAP Processor

List buffer

DYNPRO Processor

DB Interface

Result Set

Database Server

sap web application server
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
sap web as release
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 …
sap gui for html
SAP GUI for HTML

http://<SAP Instance>:<ICM port>/sap/bc/gui/sap/its/webgui/!