WEB SERVICE PROXY IN DATAPOWER?

WSP IS USED PROVIDE THE SECURITY  AND ABSTRACTION FOR BACK END SERVICES.

FETCHING THE WSDL DOCUMENT AND ADDING THE FRONT SID HANDLER.
WSDL: WEB SERVICE DESCRIPTION LANGUAGE
UDDI: UNIVERSAL DESCRIPTION DESCOVERY AND INTEGRATION.

BASICALLY THREE ELEMENTS IN WSP:

1) WSDL
2)A NAME OF THE SERVICE
3) ADD THE FRONT SIDE HANDLER