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5G Replicates TSN: Extending IEEE 802.1CB Capabilities to Integrated 5G/TSN Systems

Adnan Aijaz

TL;DR

Performance evaluation shows that X-FRER empowers a vanilla 5G system with TSN-like capabilities for end-to-end reliability in integrated TSN and 5G deployments.

Abstract

The IEEE 802.1 time-sensitive networking (TSN) standards improve real-time capabilities of the standard Ethernet. TSN and local/private 5G systems are envisaged to co-exist in industrial environments. The IEEE 802.1CB standard provides fault tolerance to TSN systems via frame replication and elimination for reliability (FRER) capabilities. This paper presents X-FRER, a novel framework for extending FRER capabilities to the 3GPP-defined bridge model for 5G and TSN integration. The different embodiments of X-FRER realize FRER-like functionality through multi-path transmissions in a 5G system based on a single or multiple protocol data unit (PDU) sessions. X-FRER also provides enhanced replication and elimination functionality for integrated deployments. Performance evaluation shows that X-FRER empowers a vanilla 5G system with TSN-like capabilities for end-to-end reliability in integrated TSN and 5G deployments.

5G Replicates TSN: Extending IEEE 802.1CB Capabilities to Integrated 5G/TSN Systems

TL;DR

Performance evaluation shows that X-FRER empowers a vanilla 5G system with TSN-like capabilities for end-to-end reliability in integrated TSN and 5G deployments.

Abstract

The IEEE 802.1 time-sensitive networking (TSN) standards improve real-time capabilities of the standard Ethernet. TSN and local/private 5G systems are envisaged to co-exist in industrial environments. The IEEE 802.1CB standard provides fault tolerance to TSN systems via frame replication and elimination for reliability (FRER) capabilities. This paper presents X-FRER, a novel framework for extending FRER capabilities to the 3GPP-defined bridge model for 5G and TSN integration. The different embodiments of X-FRER realize FRER-like functionality through multi-path transmissions in a 5G system based on a single or multiple protocol data unit (PDU) sessions. X-FRER also provides enhanced replication and elimination functionality for integrated deployments. Performance evaluation shows that X-FRER empowers a vanilla 5G system with TSN-like capabilities for end-to-end reliability in integrated TSN and 5G deployments.

Paper Structure

This paper contains 14 sections, 1 equation, 11 figures.

Table of Contents

  1. Introduction
  2. Preliminaries
  3. Overview of TSN
  4. Overview of IEEE 802.1CB
  5. 5G Quality-of-Service Framework
  6. X-FRER Framework
  7. Network Model
  8. FRER-like Functionality via Multiple PDU Sessions
  9. FRER-like Functionality in a Single PDU Session
  10. FRER-like Functionality with Multiple Techniques
  11. System-level Enhancements
  12. Key Advantages
  13. Performance Evaluation
  14. Concluding Remarks

Figures (11)

  • Figure 1: Key functionalities of the FRER protocol stack.
  • Figure 2: Illustration of the network model for integrated 5G and TSN systems.
  • Figure 3: Illustration of multi-path transmissions in a 5G system.
  • Figure 4: FRER-like functionality with multiple PDU sessions.
  • Figure 5: FRER-like functionality with a single PDU session.
  • ...and 6 more figures