Aircraft Data Network(ADN), as defined in the Airlines Electronic Engineering Committee (AEEC)'sARINC 664 specification, is a standardized approach to data networking within commercial aircraft. The specification adaptscommercial off-the-shelf networking standards, like those used in everyday computers and the internet, to meet the specific requirements of aviation. ARINC 664 details how common networking devices—such as bridges, switches, routers, and hubs—can be used within an aircraft's network to ensure reliable and efficient data transfer between avionics systems. This specification leverages established internet andIEEE networking standards and is based on theOpen Systems Interconnection (OSI) model, providing a framework for interoperability between different aircraft systems.[1]
The specification is organized in multiple parts, as follows:
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