Hello Akondi,
All the Systems that are installed in your system landscape periodically send data to the SLD. You have to configure the systems to connect to SLD and periodically send data.
In ABAP system its done via RZ70 TCODE.
In global setting: SLD Bridge: Gateway information:
Give the SLD server name in Host space and Service: that sapgw**
and in Other settings space click on check box to schedule the job in background.
For further details on how to set up Java and further to Architure you can find in this link:
http://help.sap.com/saphelp_nw70/helpdata/en/11/0dfe55e0c8fc4e910706a47ca6859b/content.htm
Regards,
Haseena