Serial port communication method and apparatus of virtual machines

The invention discloses a serial port communication method and apparatus of virtual machines. Serial port communication of the virtual machines is realized through serial port agent programs corresponding to serial ports of the virtual machines and host agent programs corresponding to running physical hosts of the virtual machines. According to the embodiments of the invention, the serial port communication among the virtual machines is realized through agent programs. Compared to the prior art in which serial ports of the virtual machines communicate with each other through a socket mode, a pipeline mode, a file mode and the like, the serial port communication method and apparatus provided by the embodiments of the invention has the following advantages: the problem of serial port client virtual machines and service end virtual machines does not have to be considered, what is needed is only to specify connected serial port agent programs, the configuration is simple, the operation is convenient, when IP addr