Olivier Crameri Nikola Knezevic Dejan Kostic Ricardo Bianchini Willy Zwaenepoel Staged deployment in mirage, an integrated software upgrade testing and distribution system. 221-236 2007 conf/sosp/2007 SOSP http://doi.acm.org/10.1145/1294261.1294283 db/conf/sosp/sosp2007.html#CrameriKKBZ07