5G TSN Bridge Configuration with Per-Stream Policing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The increasing complexity and diversity of communication devices in 5G systems, including routers, switches, bridges, and gateways, have led to challenges in managing network resources effectively, especially with the advent of new radio (NR) systems, which are not adequately addressed by existing technologies.
Innovation Solution
The integration of a 5G system with an external network through a TSN bridge configuration, utilizing DS-TT and NW-TT translators for interoperation between TSN and 5G systems, supports efficient management of time-sensitive networking (TSN) by configuring logical TSN bridges on a per-UPF basis, enabling precise QoS control and stream management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If 5G systems integrate with external networks through TSN bridge configuration, then time-sensitive communication reliability is improved, but network configuration complexity increases
Solution Approach 1:
The patent introduces TSN translators (DS-TT and NW-TT) as intermediary devices that bridge the 5G network and external TSN networks. These translators handle protocol conversion and configuration management, isolating the complexity of TSN bridge configuration from the core 5G system while ensuring reliable time-sensitive communications through standardized interfaces and automated configuration procedures.
Solution Approach 2:
The patent segments the TSN bridge configuration into per-UPF (User Plane Function) basis, dividing the network into manageable functional units. Each UPF can be independently configured with TSN bridge parameters, allowing granular control over time-sensitive traffic flows while simplifying overall system management through modular configuration approaches.
2Adaptability or versatility
If TSN translators are deployed for interoperation, then adaptability between TSN and 5G systems is improved, but device complexity increases
Solution Approach 1:
The TSN translators are designed with multi-functional capabilities to handle various TSN protocols (IEEE 802.1Q, 802.1AS, 802.1CB) and 5G network functions simultaneously. This universal design allows a single translator device to perform multiple roles including protocol conversion, time synchronization, stream management, and QoS enforcement, thereby improving adaptability without proportionally increasing device complexity.
3Measurement precision
If per-UPF TSN bridge configuration is implemented, then stream management precision is improved, but configuration complexity increases
Solution Approach 1:
The patent implements dynamic TSN bridge configuration that adapts to real-time traffic requirements and network conditions. The per-UPF configuration allows stream management parameters to be dynamically adjusted based on actual traffic patterns, ensuring precise control over time-sensitive flows while the system automatically manages configuration complexity through adaptive algorithms and automated provisioning mechanisms.
Data Source
AI summary
A system to support time sensitive networking (TSN) in a 5G system is described. The TSN application function (AF) sends to a device-side translator a Port Management Information Container (PMIC) and port number that has a Stream Identification type value and Stream Identification controlling parameters that depend on the Stream Identification type value for per-stream policing and filtering in a distributed bridge. During establishment of the bridge, the network-side translator port numbers are provided to the TSN AF in a Bridge Management Information Container (BMIC). Any PDU session of the bridge is able to be selected for Ethernet port and Bridge management procedures between the network-side translator and the TSN AF.