Method and equipment of data communication

The present invention discloses a method and apparatus for data communication, for communication between the main processor having a relationship. Method wherein: a main memory connected to the processor by a bus between the processor and the shared mapping; master processor and the slave processors are arranged to receive data in the shared memory address; When data is transmitted from the source obtaining said shared memory address of the destination terminal receives the data, and writes the data storage medium corresponding to the address, the destination address from the acquired data.