IPsec Tunnel QoS Mapping for Network Service Access
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Solution Overview
Problem
Existing wireless communication technologies face challenges in guaranteeing data transmission and quality of service (QoS) across non-public and public networks, particularly when terminals access network services through IPsec tunnels.
Innovation Solution
The method involves obtaining information about IPsec tunnels used for control signaling and user plane data between a terminal and a second network, and performing related operations on tunnels within a first network to ensure proper mapping and QoS guarantee.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a terminal accesses network services through a non-public network via IPsec tunnel, then non-public network services are provided, but public network services cannot be accessed simultaneously
Solution Approach 1:
The patent segments network services into control plane services and user plane services, allowing them to be transmitted through different tunnels. Control signaling is routed through a control plane tunnel while user data is routed through a user plane tunnel, enabling simultaneous access to both public and non-public network services without interference
Solution Approach 2:
The patent introduces a proxy network element as an intermediary between the terminal and networks. This proxy establishes and manages multiple IPsec tunnels (control plane tunnel and user plane tunnel) on behalf of the terminal, coordinating traffic routing to ensure both control signaling and user data can reach their respective destinations reliably
2Device complexity
If control signaling and user plane data are transmitted through the same tunnel, then network complexity is reduced, but QoS guarantee and transmission reliability deteriorate
Solution Approach 1:
The patent divides the single tunnel into two separate tunnels: a control plane tunnel for signaling and a user plane tunnel for data. This segmentation allows independent QoS management and reliability guarantees for each type of traffic, preventing user data from interfering with control signaling transmission
Solution Approach 2:
The patent applies different quality requirements and management strategies to different parts of the transmission system. The control plane tunnel is configured with high reliability parameters for signaling, while the user plane tunnel is optimized for data throughput, allowing each tunnel to have locally optimized characteristics suited to its specific traffic type
Data Source
AI summary
A method for guaranteeing data transmission and a communications device are provided. The method for guaranteeing data transmission, applied to a terminal, includes: obtaining information of an IPsec tunnel, where the IPsec tunnel is used for transmitting information between the terminal and a second network; and performing a related operation for a tunnel of a first network based on the information of the IPsec tunnel.