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Avionics Full-Duplex Switched Ethernet (AFDX), also ARINC 664, is a data network, patented by international aircraft manufacturer Airbus, [1] for safety-critical applications that utilizes dedicated bandwidth while providing deterministic quality of service (QoS).
This equipment, when installed in a network topology, can provide effective data transfer and overall avionics performance. The ARINC 664 specification refers extensively to the set of data networking standards developed by the Internet community and IEEE. The specification also applies the concepts of Open Systems Interconnection (OSI) standards.
ARINC 615A is a standard that covers a "data loading" protocol which can be used over various bus types such as Ethernet, CAN, and ARINC 664. ARINC 618 is a standard that covers a data transmission protocol called "Character Oriented Protocol". ARINC 619 is a standard that covers a data transmission protocol over ARINC 429 called "Bit Oriented ...
ARINC 615 defines a high-speed data loader protocol layered upon the ARINC 429 physical layer. ARINC 629 defines a high-speed, multi-transmitter, TDMA extension to ARINC 429, superseded by AFDX. ARINC 664.7 defines the use of a deterministic Ethernet network as an avionic databus in later aircraft like the Airbus A380 and the Boeing 787. This ...
Communication between the modules can use an internal high speed Computer bus, or can share an external network, such as ARINC 429 or ARINC 664 (part 7). However, much complexity is added to the systems, which thus require novel design and verification approaches since applications with different criticality levels share hardware and software ...
ARINC 661 does not imply the use of a particular Data bus structure to perform the low-level communication between CDS and UA. For example, an ARINC 429 or Ethernet protocol such as ARINC 664 can be used, but it is not mandatory.
San Francisco 49ers running back Christian McCaffrey (23) runs against Buffalo Bills safety Taylor Rapp, bottom, during the first half of an NFL football game in Orchard Park, N.Y., Sunday, Dec. 1 ...
Protocols include Controller Area Network (CAN), Local Interconnect Network (LIN) and others. Conventional computer networking technologies (such as Ethernet and TCP/IP) are rarely used, except in aircraft, where implementations of the ARINC 664 such as the Avionics Full-Duplex Switched Ethernet are used.