Christian Engelmann Stephen L. Scott Chokchai Leangsuksun Xubin He Symmetric Active/Active High Availability for High-Performance Computing System Services: Accomplishments and Limitations. 813-818 2008 CCGRID http://doi.ieeecomputersociety.org/10.1109/CCGRID.2008.78 conf/ccgrid/2008 db/conf/ccgrid/ccgrid2008.html#EngelmannSLH08