Research And Design Of Online Upgrade Scheme On UFi Products Based On Rex Operating System

Along with the constant development of science and technology，the terminalelectronic products become increasingly diversified， the software upgrade ofembedded terminal is extremely urgent. The traditional upgrade of software adds thecost of Service Provider and is inconvenient for users. In particular hardware platformand software support， using online upgrade to achieve the software upgrade ofterminals.Based on real-time Rex embedded operating system and use WebUI to achieve theonline upgrade for uFi products. Put SSL protocol on traditional Socket connection todesign and realize the security of data transmission between client and server, andanalyze the process of data transmission between client and server using http protocol,and how to use XML to store data information that is from client and server, thenanalyzing the method and character of upgrade packet, which contains strategymatching and group matching.Finally through the test and analysis, indicate the online upgrade function is stableon uFi products, and is worthy of other uFi products or data-card that is used WebUI,realized users’ requirement.