Long description

On the left, a vertical rectangular block labeled Client C P U with two partitions of different sizes. The first partition of large size has a circle with a vertical partition. The left of the circle is labeled Client and the right of the circle is shaded and labeled Client stub. There is a downward arrow labeled 1 from Client that points to Client stub. There is a downward arrow labeled 2 from the client stub that points to the second partition of Client C P U and is labeled Operating system. On the right, is a vertical rectangular block labeled Server C P U with two partitions of different sizes. The first partition of large size has a server with a vertical partition. The left of the circle is shaded and labeled Server stub and the right of the circle is labeled Server. There is an upward arrow labeled 3 from the Client's operating system that points to the server's operating system. There is another upward arrow labeled 4 from the server's operating system that points to the server stub. There is a forward arrow labeled 5 from the server stub that points to the server. Both, the client and server C P U are connected to the common network.