A New Secure Network Upgrade System

This paper introduces a new network upgrade system, which provides a secure way to transmit upgrade packets from the server to the client. Special authentication mechanism of this system prevents intruders from pretending as the legal server or clients and by encrypting the upgrade packets, the client is impossible to know the contents of the packets without password. Many different versions' upgrade packets should be managed in an exact way to avoid the confusion for there are many different versions for one product, this paper describes the details of managing the version numbers.