Find here the talk The CMS openstack, openvswitch-ed, opportunistic, overlay, online-cluster Cloud (CMSoooooCloud) about our CMS online Cloud on
The International Symposium on Grids and Clouds (ISGC) 2013.

You will also find information on the CMS online Cloud and other efforts at CERN to use the clusters when not fully used on the talk Offline usage of online farms presented on ALICE, ATLAS, CMS & LHCb joint workshop on DAQ@LHC

 Have fun.