End-User Software

1. Server sends greeting, terminated with `:'
2. Client sends single byte ID (100 for Java client)
3. If accepted, the server replies with `:' and waits for a command, otherwise replies with `;' and drops the connection.
4. Client sends a command (1 byte)
   • 113 (q) - Quit
   • 114 (r) - Route Request
5. If the command is unsupported, the server replies with `;' and returns to waiting for the next command.
6. If it is supported the server returns `:'
   • if `q' then both client and server close the connection
   • if `r' then
     1. Client sends node ID
     2. Server sends `.'
     3. Repeat until node ID is 1
     4. Server sends node IDs (returned route) finishing with `:'
     5. Server waits for next command.