Long description

The figure consists of two rectangular blocks, the first block is divided into two parts, two circles are placed inside the block and labeled Sending process and Socket. An arrow is pointing from Sending process to the Socket. The second block is divided into two parts and labeled User mode and Kernel mode, two circles are placed inside the block and labeled Receiving process and Socket. An arrow is pointing from the Socket to the Receiving process. The socket circles are connected and labeled Connection. A horizontal line is connected to these two blocks and labeled Network.