Web as java and abap

How can we create  technical systems for WEB as JAVA and ABAP

Hi,
Working with System Landscape Directory (SLD)
System Landscape Directory is the place where you define the clients landscape information (Technical System and Business System) and also describe the Products and Software Components that is been installed on these systems. Apart from just defining these information we can also facilitate installations, upgrades and transports using SLD. I like to always spell it as "Information Provider for XI".
Lets go some more deeper into the subject and elaborate each of the topic, as I said SLD targets on information like Landscape Information (DEV, QA and PROD) and softwares installed (ECC, CRM, APO) apart from these we can do some of administration parts like locking, transports of packages.
Landscape Information: It is also called as "Systems Catalog". This basically describes the systems in two views Technical system (Physically) and Business System (Logically). Hey One question how you refer to you PC in office. Do you refer it with IP address or with some desk number (XYZ.01.45). Well if you refer with IP then you may have a host name attached to it (Type "hostname" command in the Command Prompt to check the Host name of your system) then it is called as Technical system and if you give any logical name to it say desk number then it is called as Business System. Simple!
So, logically I can say that a One Technical System can be reffered with multiple Business system names. Okay, let me also put in this way for SAP guys. If R/3 is installed on one machine and this R/3 has multiple clients on the same system. Then the system is called as Technical system and multiple Clients are called as Business Systems.
Example: When we define the 3rd Party system we assign HostName to Technical system and some Logical Name (LEG001) to the Business System. If we are creating SAP system then the HostName is Technical System and Clients are addressed as Business systems.
Step by Step process :
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/xi/workingwithSystemLandscapeDirectory+%28SLD%29&
Reward points if this helps
Regards
Vani.

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