Vibhore Kumar Karsten Schwan Subu Iyer Yuan Chen Akhil Sahai A state-space approach to SLA based management. 192-199 2008 NOMS http://dx.doi.org/10.1109/NOMS.2008.4575134 conf/noms/2008 db/conf/noms/noms2008.html#KumarSICS08