With the rapid development of information technology,new types of services such as remote surgery and high-precision robot control in the Internet of things and industrial Internet have necessitated new requirements for end-to-end latency.Traditional Ethernet technology has been found difficult to meet the requirements of various ap-plications due to its transmission uncertainty property.Hence,deterministic networks have emerged as a solution,with time-sensitive networking(TSN)standing as a promising deterministic service assurance technology.TSN was designed to be compatible with traditional Ethernet,ensuring clock consistency between networks through high-precision time synchronization.By employing low-latency traffic shaping and data scheduling strategies,TSN effectively controlled data transmission delays and jitter.Furthermore,the combination of proactive fault preven-tion and network configuration mechanisms enabled the deterministic transmission of time-sensitive services.The deterministic service assurance technology was focused on within TSN.The background,development goals,ad-vantages,and classification of TSN standards were introduced.An overview of current TSN standards was pro-vided from four aspects:time synchronization,resource management,traffic control,and reliability.The current re-search status,both domestically and internationally,was reported.The strengths,weaknesses and applicable sce-narios of different standards were analyzed and compared.The application value of TSN in fields such as automo-tive,industrial,and aerospace was elaborated upon,with research trends in each area being analyzed.The chal-lenges facing the development of time-sensitive networks were summarized,and future research directions were discussed.
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