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About this paper
Sanghoon Lee, Taehun Kim, Angelo Corsaro, Kyung-Joon Park
A systematic analysis of ROS 2 middleware reveals inherent architectural trade-offs across Space (location transparency), Time (temporal predictability), and State (contextual continuity), identifying eleven specific manifestations where optimizing one dimension often strains the others. The work proposes a research roadmap for developing more robust and scalable robotic communication architectures by addressing these fundamental conflicts.
Key insights
- Optimizing one dimension (Space, Time, or State) in ROS 2 middleware inherently strains or compromises the others due to shared resource dependencies, indicating an unavoidable trade-off.
- Eleven specific manifestations of structural conflicts consistently demonstrate that proposed mitigation strategies improve one dimensional guarantee by partially relinquishing another.
- Current middleware practices are hindered by QoS semantic loss, inadequate evaluation methodologies, and significant security overhead, which exacerbate dimensional conflicts and complicate effective deployment.
Summary by alphaXiv.
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