text_combined: padraig brady padraigbradycorvilcom vincent cunniffe wrote anyone practical experience highperformance socket code c linux speed difference unix domain sockets loopback sockets real ethernet interface packets going one process machine another process machine short yes logic involved longer cpu executing ie logic executed including nic logic going metal using lo much logic involved type ipc limiting sockets mutexes shared mem files messages anyway best ipc method choose dictated data want communicate processes various ipc mechanisms tuned various data types ibm running series comparing doze linux ipc mechanisms socket references others bottom httpwww106ibmcomdeveloperworkslinuxlibrarylrt6tgrredhatsockets following google gave useful info also linux ipc mechanisms compared pdraig irish linux users group iluglinuxie httpwwwlinuxiemailmanlistinfoilug unsubscription information list maintainer listmasterlinuxie wed 07 aug 2002 130538 0100 ilug socket latency query