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Understanding SAP Versions

Niel Robertson - CTO, Co-FounderNewmerix Corporation

1100 S. McCaslin Blvd, Suite 160

Superior, CO 80027

303-350-3900

www.newmerix.com or nielr@newmerix.com

Optimizing PackagedApplications

http://www.newmerix.com/http://www.newmerix.com/

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Keys to UnderstandingVersions

SAP versioning is a bit tricky bearwith it a bit until you learn it

It depends on which part of the stack

you are asking about (application stackor technology stack)

It has evolved as SAP has changed itsoverall architecture from 2 tier to 3 tier

Many names are just marketing bundlesof technology components

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Overview

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Main Concepts You WillEncounter

R/3, R/3 Enterprise, mySAPABAP

BASIS

WebASECC

NetWeaver

Read on for explanations..

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Application Editions

R/2 Terminal server architectureGreenscreen UI

R/3 Introduced client server architecture

Uses BASIS for technology stack Desktop client UI

R/3 Enterprise Replaced BASIS with WebAS (Web Application

Server)

Web Based UImySAP

Web based UI Changed WebAS to just AS

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ABAP

Proprietary programming language

All of SAP was written in ABAPuntil about 3 years ago

ABAP doesnt really have versions,it depends on the BASIS versionbeing run

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BASIS

R/3 BASIS is the complete technology stack and application stack Runs ABAP programs (all application logic is contained in the

BASIS server) BASIS acts as the application server using proprietary protocols to

communicate to the desktop client All changes to SAP application made in BASIS

For R/3 Enterprise BASIS was split into BASIS and WebAS (WebAS uses standardinternet protocols to communicate with web browsers)

BASIS version numbers aligned with WebAS versions BASIS conceptually used only for administration (migrations,

performance monitoring) For mySAP

BASIS conceptually equal to WebAS

Note: since the introduction of WebAS, BASIS versions arereferred to either as both X.YZ andXYZ (e.g. 6.10 or 610, 7.0or 700) where X.YZ is the WebAS version number

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WebAS

Application server that replaced BASIS

Uses standard internet protocols so itcan communicate with web browsers

Hosts ABAP engine (runs ABAPapplications)

Version 6.20 had the first J2EE engineso you could write Java applications aswell as ABAP

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NetWeaver

This is just a bundling of standardtechnology stack components thatare released together

WebASEnterprise Portal

Business Intelligence

Exchange IntegratonWebAS renamed AS going forward

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Try This View With What YouNow Know

BASIS sort of sitsin the middle tohelp administerapplications now

In the beginningBASIS was boththe server ANDthe application

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Solution Manager

tion Manager appears to have been introduced with R/3 Enterprise Edition

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Some Screenshots of Different

Versions

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R/2 Screenshot

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R/3 2.0, 2.1 Screenshot

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R/3 3.0, 3.1 Screenshot

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R/3 4.0, 4.5 Screenshot

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R/3 Enterprise, mySAPScreenshot