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Distributed, Concurrent, and Independent Access to Encrypted Cloud Databases

机译：对加密的云数据库的分布式，并行和独立访问

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摘要

Placing critical data in the hands of a cloud provider should come with the guarantee of security and availability for data at rest, in motion, and in use. Several alternatives exist for storage services, while data confidentiality solutions for the database as a service paradigm are still immature. We propose a novel architecture that integrates cloud database services with data confidentiality and the possibility of executing concurrent operations on encrypted data. This is the first solution supporting geographically distributed clients to connect directly to an encrypted cloud database, and to execute concurrent and independent operations including those modifying the database structure. The proposed architecture has the further advantage of eliminating intermediate proxies that limit the elasticity, availability, and scalability properties that are intrinsic in cloud-based solutions. The efficacy of the proposed architecture is evaluated through theoretical analyses and extensive experimental results based on a prototype implementation subject to the TPC-C standard benchmark for different numbers of clients and network latencies.
机译：将关键数据放在云提供商手中时，应保证静态，移动和使用中的数据的安全性和可用性。对于存储服务，存在几种替代方案，而作为服务范式的数据库的数据机密性解决方案仍不成熟。我们提出了一种新颖的架构，该架构将云数据库服务与数据机密性以及对加密数据执行并发操作的可能性集成在一起。这是第一个支持按地理位置分布的客户端直接连接到加密的云数据库，并执行并发和独立操作（包括那些修改数据库结构的操作）的解决方案。所提出的体系结构还具有消除中间代理的优势，该代理可以限制基于云的解决方案中固有的弹性，可用性和可伸缩性。通过理论分析和广泛的实验结果，根据针对不同数量的客户端和网络延迟的TPC-C标准基准测试的原型实现，评估了所提出体系结构的有效性。

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