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1. (WO2017067415) DATA TRANSMISSION METHOD AND DEVICE

Pub. No.:    WO/2017/067415    International Application No.:    PCT/CN2016/101981
Publication Date: Fri Apr 28 01:59:59 CEST 2017 International Filing Date: Fri Oct 14 01:59:59 CEST 2016
IPC: H04L 29/08
Applicants: ALIBABA GROUP HOLDING LIMITED
阿里巴巴集团控股有限公司
Inventors: CHENG, Feng
程峰
Title: DATA TRANSMISSION METHOD AND DEVICE
Abstract:
Disclosed are a data transmission method and a device. The method comprises: a first device periodically receives a request message from a second device, said request message carrying a time stamp corresponding to the request message now received; the first device determines whether the value of the time stamp is lower than a preset threshold value; when the time stamp value is lower than the preset threshold value, the first device synchronizes a slice data corresponding to the time stamp to the second device according to the correspondence between the time stamp and slice data locally cached by the first device, the slice data being obtained by slicing the full amount of data recorded by the first device. The invention solves the technical problem of frequent failure occurrence during full-volume data updating among systems. The invention solves the technical problem of frequent failure occurrence during full-volume data updating among systems.