Cisco does not provide the server side tool for SASP/DFP.
Those protocols were developped in association with IBM, so you might be able to find the right tool for windows there.
http://www.ibm.com/developerworks/autonomic/library/ac-ewlmload1/
BTW, I do not think this is really interesting in practice. On paper it loos good, but honestly I think you get good result with leastconn loadbalancing algorithm and simple tcp probes.
Gilles.