Patent ID: 9696985
Date: 2017-07-04
CPC Classifications: G06F

Claim:
1. A method for patching virtual machines in L redundancy groups in accordance with a patching schedule, said method comprising: generating, by a processor of a computer system, the patching schedule applicable for patching the virtual machines in the L redundancy groups, wherein said generating the patching schedule comprises scheduling, in W sequential time windows, P patches applicable to one or more virtual machines in the L redundancy groups, each redundancy group m (m=1, . . . , L) comprising R wherein said scheduling comprises determining, by the processor, x wherein the objective function F is a linear combination of N objective function components F wherein α wherein F wherein B wherein n wherein n wherein A(x, m, n patching, by the processor, the virtual machines in the L redundancy groups according to the patching schedule.