基于XML升级服务器的设计

The Design of Upgrade Server Based on XML

升级服务器通过提供在线自动升级的功能，为软件升级提供了通用的升级解决方案，利用XML技术，升级服务器可以具备很好的扩展性，不但增强了升级服务器的适用性，而且还能够支持断点续传等功能。

The upgrade server provides the function of online auto upgrade.It provides a common solution of software＇s upgrade.With XML technology, the upgrade server can have good scalability.It not only enhances the applicability,but also supports breakpoint resuming.