Design of Software Rolling Upgrade of Service Availability System
Song Guo-xin · Huadong Li-Gong Daxue xuebao · 2005
The paper presents a design idea for software rolling upgrade based on service availability architecture. Following the idea, we further describe an implementation procedure of software rolling ~upgrade and some key techniques adopt to realize the idea. The software upgrade feature allows software maintenance to be carried out without causing system off or loss of service for the duration of the main-~tenance activity.