Logical System Creation & JCO Connection.................

Hi,
I have configured ESS in my portal 6.0 but I am confused with some concepts.
I have created System in portal System Landscape with alias "SAP_WebDynpro_XSS" . & also i have created JCO Connection SAP_R3_HumanResources (Appln data/Metadata).These are the steps in configuration guide.....
My backend system is ECC 5.0.
If i can access my backend for my webdynpro iview through JCO connectiones why i need to create system in portal ????
Thanks in advance!!!
Smita.

Hi,
All the Standard iviews use this System for calling the JavaWD Application.
This Java WD Application in turn uses the JCo to communicate with backend to get the application sensitive data to the application and display it.
Regards,
<i><b>Raja Sekhar</b></i>

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