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1. (WO2018077052) UPGRADING METHOD AND DEVICE FOR VIRTUAL SWITCH

Pub. No.:    WO/2018/077052    International Application No.:    PCT/CN2017/106258
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Tue Oct 17 01:59:59 CEST 2017
IPC: H04L 12/24
Applicants: ALIBABA GROUP HOLDING LIMITED
阿里巴巴集团控股有限公司
Inventors: MA, Jieyue
马介悦
MAO, Xiaoyun
毛小云
LIU, Zheng
刘峥
Title: UPGRADING METHOD AND DEVICE FOR VIRTUAL SWITCH
Abstract:
Embodiments of the present application provide an upgrading method and device for a virtual switch. The virtual switch comprises an old module, which comprises static configuration and dynamic information. The method comprises: loading a new module on the virtual switch; synchronizing static configuration of the new module and the old module; recording changing dynamic information of the old module during the process that the dynamic information of the old module is constantly changing; synchronizing the changing dynamic information of the old module to the new module; and when network traffic is received on the virtual switch, sending same to the new module to which the static configuration and dynamic information of the old module is synchronized. Applying the embodiments of the present application may maintain the consistency of dynamic information of an old module and a new module, which means that the upgrading method in the embodiments of the present application is a hot upgrading method.