Quanta Data Storage: A New Storage Paradigm
Quanta Data Storage: A New Storage Paradigm
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广达数据存储：新的存储范式
DOI：
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发表时间：
2004
期刊：
影响因子：
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通讯作者：
J. Hui
中科院分区：
文献类型：
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作者：
Prabhanjan C. Gurumohan;Sai B. Narasimhamurthy;J. Hui
TCP层和较差的iSCSI实现已被确定为实现高iSCSI性能的主要瓶颈。随着安全机制的增加，使用iSCSI的存储系统实现的吞吐量进一步降低。沿着上述问题，我们认为，过多的处理冗余引入的几个协议层和使用的协议设计的非存储特定的要求，导致存储网络体系结构不佳。为了克服这些问题，我们引入了一种新的存储模式，在这种模式中，数据被操纵、加密并存储在称为量子的固定块大小中。每个量子都由单个有效跨层（ECL）操纵，该跨层包括安全功能、iSCSI功能、直接数据放置技术和数据传输机制。此外，新架构强调了实现客户端安全的大部分计算负担。定性描述的想法。性能改进的想法在测试过程中观察到的。通过仿真和分析，我们还表明，量子的大小必须等于最小路径MTU的最大吞吐量。
TCP layer and poor iSCSI implementations have been identified as the main bottlenecks in realizing high iSCSI performance. With the addition of security mechanisms the throughput achieved by the storage system using iSCSI is further reduced. Along with the above mentioned problems, we argue that the excessive processing redundancy introduced by several protocol layers and use of protocols designed for non-storage specific requirements result in poor storage network architectures. In order to overcome these issues, we introduce a new storage paradigm in which data is manipulated, encrypted and stored in fixed block sizes called quanta. Each quanta is manipulated by a single effective cross layer (ECL) that includes security features, iSCSI functionalities, direct data placement techniques and data transport mechanisms. Further, the new architecture emphasizes majority of burden of computation for achieving security on the clients. Qualitative description of the idea is presented. Performance improvements observed during tests of the idea are presented. Through emulation and analysis we also show that the size of the quanta must be equal to the minimum path MTU for maximum throughput.