H V 2 M: A Novel Approach to boost Inter-VM Network Performance for Xen-based HVMs

•We analysis the key issues in inter-HVM network performance on Xen.•We propose a novel hardware-independent approach which pushes data like an express to boost inter-HVM network performance.•Our new approach is designed to use less shared memory but can achieve higher performance.•We design and implement a prototype system to demonstrate our idea.•Through comparison with PV-on-HVM and SR-IOV, evaluation shows our prototype is in big advance on network throughput.