LEACH and dsdv in tcl file

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http://www.linuxquestions.org – I saw leach_test call wireless.tcl script with arguments to the rp being leach. But the tcl file uses dsdv. Does the leach_test run leach or dsdv or is leach running on top dsdv. If leach is running on dsdv then can one use aodv or any other protocols for routing? Thanks. (HowTos)