Patent ID: 8341505
Filing Date: 2012-12-25
Classification: G06F

Abstract:
1. A non-transitory computer readable medium having computer executable instructions stored thereon, when executed by a processor, perform a method, the method comprising: verifying that a guest driver in a guest operating system (OS) is configured to enforce a resource usage policy, wherein the guest OS resides on a host; mapping a hardware receive ring (HRR) residing on a physical network interface card (NIC) operatively connected to the host to the guest OS, wherein after the mapping the guest OS is configured to receive packets directly from the HRR; removing a write bit from a page in a memory of the host on which the guest driver is loaded; determining, using monitoring information, that the guest OS should not receive packets directly from the HRR, wherein determining, using the monitoring information, that the guest OS should not receive packets directly from the HRR comprises: in response to the determination: