DESIRE6G PROJECT
Published May 20, 2024 | Version v1
Conference paper Open

Header Proposal for the DetNet Application Layer

Creators

  • 1. ROR icon Telefonica Research and Development

Description

The new generation of real-time mission-critical applications requires high resilience and low-latency coordinated actions, surpassing the specifications outlined for 5G URLLC services. Examples include high-precision robot control and autonomous vehicles that cannot tolerate millisecond latency, and factory automation over wireless
links that demand sub-millisecond end-to-end latency. To support the next generation of URLLC use cases, referred to as eXtreme URLLC (xURLLC), 6G systems will need to make faster and more reliable decisions at the network edge. One essential requirement in terms of connectivity is determinism. Currently, the solution to
incorporate determinism at the IP layer is defined by IETF DetNet specifications. In a DetNet domain, a DetNet stack is employed, consisting of two sub-layers: the Service sub-layer and the Forwarding sub-layer. This stack is documented in RFC 8655. What remains open is the definition of header fields in the application layer to
incorporate determinism into the network. This paper presents a proposal for a DetNet header for the application layer.

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Additional details

References

  • J. H. Wang, Y. Zhou, and Y. Xu, 'Deterministic Network', in Fundamentals of 6G Communications and Networking, X. Lin, J. Zhang, Y. Liu, and J. Kim, Eds., Cham: Springer International Publishing, 2024, pp. 633–665. doi: 10.1007/978-3-031-37920-8_25.
  • N. Finn, P. Thubert, B. Varga, and J. Farkas, 'Deterministic Networking Architecture', Internet Engineering Task Force, Request for Comments RFC 8655, Oct. 2019. doi: 10.17487/RFC8655.
  • 'Time-Sensitive Networking (TSN) Task Group |'. Accessed: Apr. 12, 2024. [Online]. Available: https://1.ieee802.org/tsn/
  • F. Templin, 'IPv6 Extended Fragment Header', Internet Engineering Task Force, Internet Draft draft-templin- 6man-ipid-ext2-01, Feb. 2024. Accessed: Mar. 21, 2024. [Online]. Available: https://datatracker.ietf.org/doc/draft-templin-6man-ipid-ext2-01
  • 'IEC/IEEE 60802 TSN Profile for Industrial Automation |'. Accessed: Apr. 12, 2024. [Online]. Available: https://1.ieee802.org/tsn/iec-ieee-60802/