Open Sound Control

OSC is a content format for messaging among computers, sound synthesizers, and other multimedia devices that are optimized for modern networking technology. Bringing the benefits of modern networking technology to the world of electronic musical instruments, OSC's advantages include interoperability, accuracy, flexibility, and enhanced organization and documentation

 for more , go to  the link: http://en.wikipedia.org/wiki/Open_Sound_Control

                   and: http://opensoundcontrol.org/