I/O DEVICE VIRTUALIZATION DEVICE, SYSTEM, AND BAND GUARANTEE CONTROL METHOD

摘要

PROBLEM TO BE SOLVED: To logically and fairly share an I/O device between a plurality of hosts by performing band control of a computing internal signal with a low delay in an external network.SOLUTION: An I/O device virtualization device includes: connection virtualization means; and band control means. The connection virtualization means is connected via a network to a plurality of hosts, and configured to virtualize an I/O device shared by the plurality of hosts through communication with the I/O device. The band control means is configured to, on the basis of a set band control parameter, monitor PCIe(Peripheral Component Interconnect express) packet communication via the network between the plurality of hosts and the I/O device, and to execute band control for guaranteeing the allocation of a predetermined communication band set for each of the plurality of hosts.SELECTED DRAWING: Figure 1