Shares the functionality of broadcasting of “audio and video” content over the internet or satellite. Source: ISA2 - EIA Action Syn. Social Network The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): Avalon Media System The Avalon Media System is an open source system for managing and providing access to large collections of digital audio and video. The freely available system enables libraries and archives to easily curate, distribute and provide online access to their collections for purposes of teaching, learning and research. The Avalon Community is made up of a dozen educational, media and open-technology institutions. http://www.avalonmediasystem.org/project