BSR E1.17-201x is a revision of ANSI E1.17-2006, Entertainment Technology - Architecture for Control Networks (ACN), which is a suite of documents that specifies an architecture, including protocols and language, that may be configured and combined with other standard protocols to form flexible, networked audio, lighting, or other control systems. It can be implemented on networks that support UDP, IP, and related protocols. The revision is to correct errors and to improve functionality.