system architecture.ppt

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© 2003 IBM Corporation

Updated May 2003

©2004 IBM Corporation

Client Strategy

Kapci Coatings - Egypt

22 Feb 2005

This presentation contains information that is proprietary and confidential to IBM , which shall not be disclosed outside or duplicated, used or

disclosed in whole or part for any purpose .. Any use or disclosure of this information in whole or in part without the express written permission

of IBM is prohibited.



IBM Global Services India


Business Consulting Services

| October 13 |

Agenda

SAP’s 3 Tier Client-Server Architecture

System Landscape Overview

Client Strategy

Naming Conventions

Q & A



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Updated May 2003

©2004 IBM Corporation

SAP’s 3 Tier Client-Server

Architecture






| October 13 |


Those SAP R/3 software components that

specialize in the management, storage and

retrieval of data form the Database Layer

The Database Layer


specialize in processing business

applications form the Application Layer.

The Application Layer


specialize in interacting with end-users

form the Presentation Layer.

The Presentation Layer / Front-End PC






| October 13 |


Communication

The Presentation Layer /

Front-End PC

collects user input and

creates process requests.

The Application Layer

uses the application logic of

SAP programs to collect and

process the process requests.

The Database Layer

stores and retrieves all data.






| October 13 |


Database servers:

Specialized systems

with fast and large

hard drives.

Application servers:

Specialized systems

multiple CPUs and

vast amounts of RAM.

Presentation servers:

Systems capable of

providing a graphical

interface.

Presentation Layer /

Front-End PC

components

Application Layer

componentsDatabase Layer

components

reside in: reside in: reside in:






| October 13 |


Three tier Client/Server Computer

“A” Computer

“B”

Computer “C”

Computer

“A-1”

Computer

“A-2”

Computer

“A-n”

Computer

“B-1”

Presentation Layer /

Front-End PCApplication Layer Database Layer

Computer

“B-n”



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Updated May 2003© 2004 IBM Corporation

R/3 Landscape Overview






| October 13 |


SAP R/3 Development System

R/3 Development system will be

installed on a single H/w.

Database and Central Instance will be

running on the same server

This system will be used for :

Customization

ABAP Development

Sandbox

Unit Test

R/3

Development






| October 13 |


SAP R/3 Quality System

R/3 Quality system will be installed on

a single H/w.

Database and Central Instance will be

running on the same server


Integration Test

Training

Data Upload Test

R/3

Quality






| October 13 |


SAP R/3 Production System


Production

Pre-Production Test (Optional)

Pre-Production Client will be available

only for couple of months

You can add additional Application

Servers in Future

R/3

DB/CI

R/3

Appl

R/3

Appl

R/3

Appl



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Client Strategy






| October 13 |

SAP India Landscape

KRD KRQ KRP

100 – Config Master

And Development

130 – Sand Box

110 – Unit Test

210 – Integration

Testing300 – Production

R/3

220 – Training 310 – Pre-Production

System Number

X Y Z Serial Number

Client Purpose

0 – Config/Dev, Production

1 – Testing (Unit, Integration)

2 – Training (End User)

3 – Sandbox



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Request Naming Convention






| October 13 |

Transport Naming Convention

The text description associated with a generated transport number should follow the

format described below :

- LOCAL LOC-<Process team> Description of the Customisation.

- Customisation CUS-<Process team> Description of the Customisation.

- ABAP ABA-<Process Team>-<Development Number> Description of the Program.

- Authorisation AUT-<Process Team> Role Name.

- OSS Notes OSS-<OSS Note No>-<Version>-<Patch Number>-<Process Team> Note

Description






| October 13 |

Q & A

system architecture.ppt

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