What is SAP R/3 System Architecture?

What is SAP R3 System Architecture?

SAP R/3 is one of the main product of SAP.Where R stands for Real Time and the number 3 relates  to three tier application architecture(Database,Application,and Client).
Most of the business runs in SAP R/3 system.Above 80% of companies implement this software.

One tier Architecture?

In a one tier R/3 system configuration,all processing task are performed on one server,as is classic mainframe processing.

Two tier Architecture?

Two tier R/3 system configuration are usually implemented  using special presentation server that are responsible solely for formatting the graphical user interface.Many R/3 system users use Windows PCs .Two tier Architecture Database+Application server in same system and Presentation(client) in different system.

Three tier Architecture?

In a three tier architecture ,separate servers are used for each tier.using data from the database

server,several different application servers can operate at same time.To ensure that the load on individual servers  is as even as possible and to the performed ,You can use special application server for individual application area such as distributed or financial accounting .

 (logon and  load balancing).

SAP R/3 System Architecture.

SAP based architecture of R/3 on a Three-tier Client/server model.

• Preasentation  Server
• Application Server
• Database Server  

Presentation Server.

• SAP GUI
• At workstation
• Sent request to Application Server...,etc.

Application Server.

Application server component and database communication with MESSAGE Server

Main component.

• Disp+work(dispatcher)
• Workprocess
• Gateway
• Message Server.

Database Server

• Interface between Application server and Database Application server
• Hold vendor specific DB Driver.

Find the Date and Time for the imported Transport Request.

Execute Tcode STMS_IMPORT,Select the transport request  and choose LOGS(ctrl+F4).

Above Choose  highlighted icon to see the log.

The date and time will be displayed form the Transport Request log.

  

Alternatively,Go to Tcode SE01,Enter the Transport number and see the same log screen.

What is SAP?

What is SAP?
SAP stands for System Applications and Products in Data Processing. 
SAP SE,a global software company,is one of the  largest vendors of the  ERP (Enterprise Resource Planning) and Enterprise applications.The company is headquartered  in Walldorf ,Germany.The company founded in 1972 by Wellenreuther,Hopp,Hector,plattner and Tschira.

SAP is 1st in the ERP market,AS of 2016,SAP has more then 335,000 customer in 190 countries in     the world wide,Other competitive Products  of  SAP Software in the market are Peoplesoft from Oracle,Microsoft Dynamics,NetERP etc.,

What is SAP ERP?

SAP ERP System enables companies to run their business processes,be they accounting, sales,production,human resource in an integrated environment.The integration ensure that information  flow from one SAP component to another without the need  for redundant DATA ENTRY, and its helps to enforce financial ,process and legal control.SAP ERP system also facilitates effective utilization  of  Resource(the R in ERP),be it machines,production capacities,man power or other assets of the Enterprise(the E in ERP) through detailed Planning(the P in ERP)of the Resource.