Method for accessing external memory of switch from control plane and data plane

摘要

The present invention relates to a method of accessing an external memory of a switch from a control plane and a data plane, wherein the control module sends information of authorized entities and authorized operations to the switch, and the switch sends these authorized information. And a step of storing after receiving the file I / O operation command, and whether or not the operation entity has authority of the file I / O operation command based on the command and authorized information. And for the operation entity having the authority of the file I / O operation command, the switch extracts a command index and a parameter from the file I / O operation command, and performs a file I / O operation. Executing. [Selection] Figure 4