Efficient
MAVLink 2 has just 14 bytes of overhead
MAVLink Guide
Lightweight messaging protocol for drones and onboard drone components.
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Reliable
Works on high latency/noisy channels. Used in many different systems since 2009.
Multiple languages/platforms
Multiple language support generated from XML definitions runs on numerous OS and systems
Many concurrent systems
Up to 255 devices on a network
Multiple vehicles
Manage multiple vehicles and different types of vehicles
Onboard and offboard support
Used for communication between drones, and also for integrating components in drones.