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Peterson graph-based storage network structure and data read-write method thereof

A technology of storage network and Peterson diagram, which is applied in the field of data reading and writing, storage network system based on Peterson diagram, can solve problems such as poor performance, poor performance, single point of failure, etc., and achieve good media data Migration immobility, solving the effect of mass media data migration

Active Publication Date: 2011-09-14
INST OF ACOUSTICS CHINESE ACAD OF SCI +1
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Problems solved by technology

These systems are characterized by the use of a single DHT structure, which solves the single point of failure problem, but often does not meet the needs of applications in terms of performance.
[0005] Distributed file system is a cluster system, which is also more suitable for enterprise network. Recently, data access for wide area network has appeared, but there are problems such as single point of failure; P2P wide area storage has good scalability, but there is a problem of poor performance

Method used

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  • Peterson graph-based storage network structure and data read-write method thereof
  • Peterson graph-based storage network structure and data read-write method thereof
  • Peterson graph-based storage network structure and data read-write method thereof

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Embodiment 1

[0054] The following describes the storage network system and data reading and writing methods based on the Peterson graph in combination with the application scenarios. Such as Figure 4 As shown, an application scenario provided by the present invention: Assume that a certain storage service operating company in X (for example, Beijing) city is based on urban areas, suburban counties (two units are deployed in each district and county, and there are 15 districts and counties in Beijing) and other places. 30 storage nodes (servers) are deployed, and the interface of each node is a 1Gbps Ethernet card. These storage nodes communicate with each other at the IP layer and form a ring network according to the chord algorithm, such as image 3 In addition, when deploying 10 of the nodes, the company selected good link connections with a bandwidth of more than 500 Mbps between the nodes. These 10 nodes were configured in a Peterson graph structure, and their numbers were figure 2 s...

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Abstract

The invention provides a Peterson graph-based storage network system and a data read-write method thereof. The storage network system comprises a basic distributed storage network and a Peterson graph storage network, wherein the basic distributed storage network is a cluster distributed storage network or a DHT-based P2P storage network, and comprises n storage nodes; and the Peterson graph storage network consists of 10 nodes which are selected from the storage node set according to a policy. The Peterson graph-based storage network system and the data read-write method thereof combine the reliabilities of the basic distributed network storage, such as the P2P, and the Peterson graph network storage, can provide storage application with different reliability levels, simultaneously uses good media data migration immobility provided by the Peterson graph network storage to solve the problem of mass media data migration, combines the availability and the robustness of the DHT technology, and shields the single point failure of the cluster storage network and the performance problem of P2P wide area storage.

Description

technical field [0001] The present invention relates to a network storage technology composed of distributed storage nodes, in particular to a storage network system and data reading and writing method based on Peterson (Peterson) graph, which combines basic distributed storage network and Peterson graph storage network Combined, storage applications with different reliability levels can be provided. Background technique [0002] At present, the field of information technology has shifted from a computing-centric architecture to a storage-centric architecture. Such a transformation is caused by the massive information generated with the gradual development and growth of the Internet. The massive information faces problems such as processing, storage, and sharing. The present invention is designed around the distributed storage of massive information. [0003] Since the mid-1980s, researchers have proposed the idea of ​​using distributed hosts on the network to provide file...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/08G06F12/00G06F13/00G06F13/10
CPCH04L29/08414H04L29/08459H04L67/104H04L29/08306H04L67/1065H04L67/1076
Inventor 王劲林王玲芳尤佳莉李挺屹齐向东
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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