5G Uplink Packet Forwarding Across Multiple VN Groups
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The 5G system's restrictive 1:1 relationship between slice + Data Network Name (DNN) and 5G Virtual Network (VN) group limits data forwarding and multicast management, especially in industry applications requiring multiple VN groups and dynamic group management.
Innovation Solution
A method and apparatus that break the 1:1 restriction by implementing rules for data packet forwarding based on address information and interface settings, allowing traffic splitting and dynamic group management through network elements like UPF, SMF, and NEF, enabling flexible communication within VN groups.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the 1:1 relationship between slice + DNN and 5G VN group is maintained, then network management is simplified, but data forwarding flexibility and multicast management capability are limited
Solution Approach 1:
The patent segments the rigid 1:1 mapping relationship between slice+DNN and VN group by introducing independent VN group identification mechanisms. Multiple VN groups can now be established under a single slice+DNN configuration, allowing granular segmentation of virtual network resources while maintaining simplified higher-level management.
Solution Approach 2:
The patent adds a new dimension to the network architecture by introducing independent VN group identification that operates separately from the slice+DNN hierarchy. This creates a multi-dimensional resource allocation model where VN groups can be organized independently, enabling flexible data forwarding and multicast management without increasing slice+DNN complexity.
2Adaptability or versatility
If multiple VN groups are allowed under one slice + DNN, then data forwarding flexibility is improved, but rule configuration complexity increases
Solution Approach 1:
The patent creates universal rule templates that can be applied across multiple VN groups under a single slice+DNN. The forwarding rules are designed to be multi-functional, handling both unicast and multicast traffic patterns through standardized configurations, thereby reducing overall rule complexity despite supporting multiple VN groups.
Solution Approach 2:
The patent utilizes parameter-based rule configuration where forwarding behavior is controlled by adjustable parameters rather than fixed complex rule sets. By changing parameters such as destination address matching criteria and interface selection parameters, the same rule template can adapt to different VN group requirements, simplifying configuration management.
3Productivity
If address-based forwarding rules are implemented, then multicast management efficiency is improved, but packet filtering complexity increases
Solution Approach 1:
The patent implements address-based forwarding by creating simplified copies or representations of address matching logic rather than implementing complex packet inspection for each multicast group. The destination address information is used to generate forwarding decisions through template matching, improving multicast management efficiency while keeping packet filtering relatively simple.
Data Source
Figure 1~4
Figure 5a~5b
Figure 6~7
AI summary
A transmission method, an apparatus, and a device are provided. The method includes: forwarding an uplink data packet to a first interface and/or to a Data Network (DN) according to a first rule and a second rule.