关键词: 更新 动态更新 动态升级 动态更新支持系统

Abstract: Many critical application systems need constant evolving for correcting bugs, extending functions or improve system＇s performance. However, they need to have abilities to afford service when they are being updated, i. e, their being updated have to be imp

Key words: Updating, Dynamic updating, Dynamic upgrading, Supporting system for dynamic updating