Method for controlling QoS of virtual machine network based on Linux TC and IFB equipment

Abstract

The invention discloses a method for controlling QoS of a virtual machine network based on Linux TC and IFB equipment. The method comprises the following steps that a, an IFB module is loaded on a host machine, and IFB virtual network equipment is started; b, configuring egress qdisc on a virtual network card of the virtual machine to control exit flow; c, setting ingress qdisc on a virtual network card of the virtual machine, and redirecting the ingress flow to the IFB equipment; d, an egress qdisc is configured on the IFB device, and QoS control is carried out on the redirected inlet flow; and e, realizing bidirectional QoS management of network inflow and outflow of the virtual machine. Compared with the prior art, the method has the advantages that comprehensive two-way control is achieved, complete QoS control over inlet and outlet flow of the virtual machine is achieved for the first time, the performance loss is smaller than 3%, differentiation based on service types, time and loads is supported, QoS parameters can be automatically adjusted according to network conditions, seamless integration with an existing virtualization platform is achieved, and internal configuration of the virtual machine does not need to be modified.

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