Multi-channel recovery data flow parallel transmission and control method

ZHANG Bing1; LU Zheng-tian2; LI Tao2

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Multi-channel recovery data flow parallel transmission and control method

更新时间：2024-10-14

- Multi-channel recovery data flow parallel transmission and control method
- Vol. 30, Issue 3, Pages: 54-58(2009)
- 作者机构：
  
  1. 国家计算机网络应急技术处理协调中心
  2. 四川大学计算机学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309.3
- Published：2009
- 稿件说明：
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ZHANG Bing1, LU Zheng-tian2, LI Tao2. Multi-channel recovery data flow parallel transmission and control method[J]. 2009, 30(3): 54-58.
DOI：

ZHANG Bing1, LU Zheng-tian2, LI Tao2. Multi-channel recovery data flow parallel transmission and control method[J]. 2009, 30(3): 54-58. DOI：

摘要

为有效缩短灾难恢复时间

提出了一种多路恢复数据流并行传输与控制方法(MRPTC)。首先

待恢复服务器与多个备用服务器建立连接

将当前破损数据与原始的完好数据(备份数据)做差异比较

获得两者的差异数据

然后从各备用服务器处动态并行下载差异数据的不同部分

再在本地进行拼合

获得完整的数据

从而实现数据的快速恢复。该方法具有多点协同差异恢复、恢复速度快、带宽利用率高、传输网络要求低等优点。理论分析和实验结果表明

该方法是快速灾难恢复的一种有效的新途径。

Abstract

In order to shorten the time for disaster recovery

a multi-channel recovery data flow parallel transmission and control（MRPTC）method was presented.First

the connections between the server to be recovered and the several standby servers were established

the difference comparison between the current damaged data and the original intact data（the backup data） was completed

the differences were obtained.Then the different parts of the differences were dynamically downloaded from the standby servers in the parallel mode

these parts were united locally

the whole data was finally obtained

and the fast disaster recovery of the data was achieved.The theoretical analysis and the experiment results show that the proposed method has the features of multi-point collaborative difference recovery

high recovery speed

full bandwidth utilization

and low network requirement.Therefore

this method is a new good approach of fast disaster recovery.

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