ARINC 826 is a protocol

Communications protocol

A communications protocol is a system of digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications...

 for avionic data loading over the Controller Area Network (CAN

CAN

- Organizations :* Andean Community of Nations, a South American trade bloc with Bolivia, Colombia, Ecuador and Peru* Campus Antiwar Network, an American network of students opposing the occupation of Iraq...

) as internationally standardized in ISO 11898-1. It allows Loadable Software Aircraft Parts to be loaded in a verifiable and secure manner to avionics Line Replaceable Units (LRUs) and Line Replaceable Modules (LRMs) using CAN

CAN

- Organizations :* Andean Community of Nations, a South American trade bloc with Bolivia, Colombia, Ecuador and Peru* Campus Antiwar Network, an American network of students opposing the occupation of Iraq...

.

Based on a subset of ARINC 615A features (the avionic data loading protocol for data loading over Ethernet

Ethernet

Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....

), ARINC 826 provides basic features for avionics data loading.