A circuit and a method for writing a binary value to a memory cell are provided. A light beam modulated by image information organized by frames is produced. After the first session fails, a same or different database server establishes a second session with the client wherein establishing the second session with the client comprises receiving the virtual session ID from the client, accesses the state information that was stored in the repository in association with the virtual session ID, and associates the state information with the second session. The spherical element and the socket member cooperate to define a dynamic junction that allows the socket member to move relative to the ball element while remaining engaged therewith.