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|1. (WO2017148419) DATA TRANSMISSION METHOD AND SERVER|
|Applicants:||HUAWEI TECHNOLOGIES CO., LTD.
|Title:||DATA TRANSMISSION METHOD AND SERVER|
Disclosed is a data transmission method. A server transmits application information required by a sensing node to the sensing node during a process of the server sending encrypted service data to a terminal device, so that the sensing node can learn service information about the encrypted service data transmitted between the terminal device and the server according to the application information, and thus a sensing service system finishes a service related to the content of the service, wherein the application information is transmitted in plaintext, without the server additionally increasing encrypted and decrypted protocol clusters. On the premise of ensuring that service data between the terminal device and the server is encrypted, data transmission is more convenient and system costs are lower.