Research and Testing of SPN Bearer Solution for Railway 5G-R and GSM-R Systems
Building on the service scenarios of railway 5G-R and GSM-R systems,and the globally commercially deployed SPN innovative bearer technology,this paper developed a small-granularity hard pipe service model and an L3VPN to edge packet service model for the specialized applications of the railway 5G-R system.Additionally,this paper proposed an El CBR Over small-granularity hard pipe solution.This approach leverages SPN dual-plane networking,effectively integrating and bearing the GSM-R services from the existing network.This SPN integration and bearing solution satisfies the high-reliability and high-security hard isolation bearer requirements for railway traffic control services within the 5G-R and GSM-R systems.Additionally,it addresses the evolving demands for flexible scheduling and intelligent operation and maintenance of high-bandwidth video data services in the 5G-R system.This solution has successfully undergone end-to-end functional and reliability test verification based on SPN for both 5G-R and GSM-R systems.The test results have surpassed standard requirements,demonstrating that the SPN integration and bearing solution for railway 5G-R and GSM-R systems is both safe and feasible.
5G-RGSM-RSPNsmall-granularity hard pipebearer solutiondual-plane networking
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