US Patent 11500689 Communication method and apparatus

A communication method includes monitoring, by a shared agent, shared memory, wherein the shared memory is used by a first application, wherein the first application runs on a virtual device, wherein the virtual device is located on a host, wherein the shared memory belongs to a part of memory of the host and does not belong to memory specified by the host for the virtual device, and wherein the shared agent is disposed on the host independent of the virtual device, determining, by the shared agent, whether data of the first application is written to the shared memory, reading, by the shared agent, the data from the shared memory and sending the data to a second application in response to the data of the first application is written to the shared memory, wherein the second application is a data sharing party specified by the first application.