UPF-EES KPI Measurement for Accurate Edge Server Selection
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Solution Overview
Problem
Current edge data networks fail to select an edge enabler server (EES) that meets user requirements due to the lack of consideration for key performance indicators (KPIs) such as delay and bandwidth between a user plane function (UPF) and the EES during the selection process.
Innovation Solution
A method and apparatus for measuring and transmitting communication KPIs between a UPF and a first server, including sending and receiving information to determine and obtain communication KPIs such as uplink and downlink delays and jitters, using policy control function (PCF), session management function (SMF), and user plane function (UPF) to facilitate accurate EES selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ECS selects an EES based on basic parameters without considering communication KPIs, then the selection process is simple and fast, but the selected EES may not meet user requirements for delay and bandwidth
Solution Approach 1:
The patent implements preliminary measurement of communication KPIs between UPF and candidate EESs before the actual EES selection process. The measurement information is collected in advance and stored, so that when selection is needed, the pre-measured KPI data can be directly used to evaluate and select the most suitable EES, avoiding the need for complex real-time measurements during selection
Solution Approach 2:
The patent introduces an intermediary measurement mechanism where the UPF acts as a mediator to measure communication KPIs with candidate EESs. The UPF collects measurement information about delay, bandwidth, and other communication parameters, and provides this information to the ECS for selection decisions, thereby decoupling the complexity of measurement from the selection logic
2Measurement precision
If communication KPI measurement and transmission mechanisms are implemented between UPF and EES, then accurate EES selection based on user requirements becomes possible, but the system complexity and information transmission overhead increase
Solution Approach 1:
The patent makes the UPF perform multiple functions: it not only forwards user data packets but also measures communication KPIs with candidate EESs and provides measurement information to the ECS. By making the UPF multi-functional, the patent avoids adding separate dedicated measurement devices, thereby reducing overall system complexity while achieving precise KPI measurement
Solution Approach 2:
The patent establishes a feedback mechanism where measurement information about communication KPIs is continuously collected from the UPF and fed back to the ECS. This feedback loop enables the ECS to make informed selection decisions based on actual communication performance data, and the measured KPIs can also be used to validate and adjust selection criteria
Data Source
AI summary
This application provides an information transmission method and apparatus, and a storage medium. The method includes: A first server sends first information to a PCF, where the first information is for measuring a communication KPI corresponding to a first device, and the communication KPI includes a communication KPI between a UPF and the first server. The PCF sends a communication indicator measurement policy to an SMF based on the first information. The SMF sends a communication indicator measurement rule to a UPF according to the communication indicator measurement policy, and sends second information to the first server. The second information includes the communication KPI corresponding to the first device, or a parameter for obtaining the communication KPI corresponding to the first device. In this way, the first server may obtain the KPI between the UPF and the first server based on the second information.