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Mixed-Tenancy in the Wild - Applicability of Mixed-Tenancy for Real-World Enterprise SaaS-Applications

机译:混合租赁在野外-混合租赁在现实世界企业SaaS应用中的适用性

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Software-as-a-Service (SaaS) is a delivery model whose basic idea is to provide applications to the customer on demand over the Internet. SaaS thereby promotes multi-tenancy as a tool to exploit economies of scale. This means that a single application instance serves multiple customers. However, a major drawback of SaaS is the customers' hesitation of sharing infrastructure, application code, or data with other tenants. This is due to the fact that one of the major threats of multi-tenancy is information disclosure due to a system malfunction, system error, or aggressive actions. So far the only approach in research to counteract on this hesitation has been to enhance the isolation between tenants using the same instance. Our approach (presented in earlier work) tackles this hesitation differently. It allows customers to choose if or even with whom they want to share the application. The approach enables the customer to define their constraints for individual application components and the underlying infrastructure. The contribution of this paper is an analysis of real-world applicability of the mixed-tenancy approach. This is done experimentally by applying the mixed-tenancy approach to OpenERP, an open source enterprise resource planning system used in industry. The conclusion gained from this experiment is that the mixed-tenancy approach is technically realizable for cases of the real world. However, there are scenarios where the mixed-tenancy approach is not economically worthwhile for the operator.
机译:软件即服务(SaaS)是一种交付模型,其基本思想是通过Internet按需向客户提供应用程序。因此,SaaS提倡将多租户作为一种利用规模经济的工具。这意味着单个应用程序实例可为多个客户提供服务。但是,SaaS的主要缺点是客户不愿与其他租户共享基础架构,应用程序代码或数据。这是由于以下事实:多租户的主要威胁之一是由于系统故障,系统错误或攻击性行为导致的信息泄露。到目前为止,研究中唯一可以消除这种犹豫的方法是使用同一实例增强租户之间的隔离。我们的方法(在较早的工作中提出)以不同的方式处理了这种犹豫。它使客户可以选择是否或什至与谁共享应用程序。该方法使客户能够定义他们对单个应用程序组件和基础架构的约束。本文的贡献是对混合租赁方法在现实世界中的适用性的分析。这是通过将混合租户方法应用于OpenERP(一种用于行业的开源企业资源计划系统)而通过实验完成的。从该实验中得出的结论是,混合租赁方法在现实世界中可以在技术上实现。但是,在某些情况下,混合租赁方法对于运营商而言在经济上不值得。

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