CAJ | 학술논문

针对数据备份需占用大量空间和需额外手段对其安全保密性进行保护的问题,提出了一种基于网络编码技术的文件备份方案,其核心是对多个备份文件进行网络编码操作,生成编码备份文件后存储于备份服务器中.该方案包括以下部分:备份的基本原理、备份过程、文件更新对备份恢复的影响和处理、备份的更新和全局备份控制系统.实验与理论分析表明,该方案较传统备份方案大幅节省了存储空间,提高了备份文件的安全保密性,但文件的可恢复性微降并增加了系统的复杂度.
침대수거비빈수점용대량공간화수액외수단대기안전보밀성진행보호적문제,제출료일충기우망락편마기술적문건비빈방안,기핵심시대다개비빈문건진행망락편마조작,생성편마비빈문건후존저우비빈복무기중.해방안포괄이하부분:비빈적기본원리、비빈과정、문건경신대비빈회복적영향화처리、비빈적경신화전국비빈공제계통.실험여이론분석표명,해방안교전통비빈방안대폭절성료존저공간,제고료비빈문건적안전보밀성,단문건적가회복성미강병증가료계통적복잡도.
According to the problems that data backup needs a lot of storage space and its safe privacy needs to be protected,a file backup scheme based on network coding was proposed.Specifically,adopting network coding,many backup files are encoded into one encoded file,and then saved in the backup server.This scheme includes the following aspects:the principle of backup,the process of backup,influence of file update on recovery and how to handle it,backup file update and the global control system.Experiment and theoretical analysis show,compared with traditional method,this scheme can save storage space greatly and enhance the safe privacy of the backup data,but decrease appreciably the recoverability of it and increase the complexity of the system.