When should I use dora-rs over ROS ?

[paul-dls]

Hello I would like to know the difference between dora-rs and ROS,
I've looked a little bit and the internet and I can't find the answer,
I'm a beginner in the field, I would like to know in which conditions I should use one over the other.

[heyong4725]

Thanks for your interest in the Dora-RS open source project. Indeed, Dora and ROS have some similarities. ROS has been around for over 15 years with fragmented but huge ecosystems on both ROS1 and ROS2, but they do have lots of technical debt since it is built upon the old ICT technology foundation. We are targeting Dora as Next-gen Robotic OS with leading ICT technologies, such as: -- Unified middleware and APIs supporting elastic dataflow computing framework, databus, storage and query capabilities which power the next-gen software defined vehicle and robot applications -- ROS1 / ROS2 alternative and beyond, supporting devices (vehicle/robot), edge and cloud collaboration natively, e.g., break ROS single host/local network limitations, expand into multi-heterogenous hosts/multi-network devices-edges-clouds environment -- ROS applications can be smoothly migrated to Dora (we are POC some Autoware modules, which are built upon ROS2, over Dora dataflow engine) -- Based on Rust language development, it beats C/C++ in terms of development speed, development quality, safety and reliability, and meets the future needs of robots and new energy vehicles -- Thru its Python API, provides low code, rapid development environment for education and research, e.g., to adapt latest ML models and algorithms into mobility and robotic applications -- Cloud-native ecosystem integration We are still at the early stage of development, but through our Dora-drive (Dora sister open source project), it has already shown its potential power, such as it is very easy to develop autonomous robotic/driving systems through Dataflow declaration. So to answer your question, if you are developing something like: sensor inputs --> perception ML modules --> sensor fusion --> planning/decision --> control/actuator output, to form a dataflow graph, Dora is probably a good choice. Hope I answered your questions.

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