The Digital Cinema Open System Alliance (DCOSA) is an industry group committed to promoting interoperability between digital cinema equipment from different vendors.
DCOSA
Dolby Laboratories, MikroM, USL Inc., and XDC Collaborate on Interface Specifications to Lower Development Costs, to Increase Flexibility, and to Support Innovation for the Digital Cinema Industry Digital Cinema Open System Alliance Announces Launch of Interoperability Effort
Video Technology Blog article: Digital Cinema Open System Alliance
References
Digital Cinema Open System Alliance Wikipedia(Text) CC BY-SA