... Tuning the P4 device . Up: Special features of different systems Next: Heterogeneous networks and the ch_p4 device Previous: Using the secure server . The P4 device is normally used for networks of workstations connected using sockets. ... Some systems set their defaults to limit the amount of memory used by the socket connections; this can impact performance. The P4 device allows you to override the defaults by using some environment variables. ... Центры . ...