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arXiv · 2602.09633

ISO FastLane: Faster ISO 11783 with Dual Stack Approach as a Short Term Solution

Timo Oksanen
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Abstract

The agricultural industry has been searching for a high-speed successor to the 250~kbit/s CAN bus backbone of ISO~11783 (ISOBUS) for over a decade, yet no protocol-level solution has reached standardization. Meanwhile, modern planters, sprayers, and Virtual Terminals are already constrained by the bus bandwidth. This paper presents ISO FastLane, a gateway-less dual-stack approach that routes point-to-point ISOBUS traffic over Ethernet while keeping broadcast messages on the existing CAN bus. The solution requires no new state machines, no middleware, and no changes to application layer code: only a simple Layer~3 routing decision and a lightweight peer discovery mechanism called Augmented Address Claim (AACL). Legacy devices continue to operate unmodified and unaware of FastLane traffic. Preliminary tests reported on the paper demonstrate that ISO FastLane accelerates Virtual Terminal object pool uploads by factor of 8 and sustains Task Controller message rates over 100 times beyond the current specification limit. Because ISO FastLane builds entirely on existing J1939 and ISO~11783 conventions, it can be implemented by ISOBUS engineers in a matter of weeks. This is delivering tangible performance gains today, without waiting for the long-term High Speed ISOBUS solution.

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BibTeXRIS

Timo Oksanen. 2026-02-10. ISO FastLane: Faster ISO 11783 with Dual Stack Approach as a Short Term Solution. https://arxiv.org/abs/2602.09633

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