Explain the SLD?

System Landscape Directory:

System Landscape is
i.Technical Systems
ii.Business Systems
iii.Software Content

i.Technical Systems:

• Technical systems are the Application Systems which participate in the message Processing.
• Technical Sys's Defines the Application system system with System Attributes.
• For each application System only one Technical System.

ii.Business Systems:

• Business systems are Logical systems of the Technical Systems.They define the role of the Application Systems.
• Each Technical can have 'N' number of Business systems.
  
• Technical systems can have different clients (or) Different Business systems.
• In xi the message processing would happan between two business Systems.
• Generally this would be a role of Netweaver Architect OR Netweaver Adiministrator
  

Defining of Technical systems & Business systems is mandatory.

iii.Software Content:

• content also can be defined is SLD
• Software component is divided in products, software component.
• Software Component is the logical Unit to hold Process related information .i.e all the process related objects are bundled in s/w component.
• s/w components are Transportable Packages.U can transfer there from one landscape to another in R/3.
• product is hierarchy of s/w component.
  

Defining Technical& Business Sysstems,S/w Components and Product is SLD preparation(Mandatory) .