<html><head><style type="text/css"></style></head><body><div style="font-family:arial, helvetica, sans-serif;font-size:10pt;color:#000000;"><DIV></DIV> <DIV>Hi,</DIV> <DIV> </DIV> <DIV>I'm searching some survey papers or technical reports on <EM>state-of-the-art</EM> tools for <STRONG>"Patch Management & Package Management in Large scale Heterogenous distributed systems"</STRONG>. </DIV> <DIV> </DIV> <DIV>Also are there any books available Online or for purchase.<BR> </DIV> <DIV>Regards</DIV> <DIV> </DIV>-Jan Muhammad<BR> <DIV> </DIV></div><br> </body></html>