The Extended Cloud: Review and Analysis of Mobile Edge Computing and Fog From a Security and Resilience Perspective
The Extended Cloud: Review and Analysis of Mobile Edge Computing and Fog From a Security and Resilience Perspective
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DOI：
10.1109/jsac.2017.2760478
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发表时间：
2017-10
影响因子：
16.4
通讯作者：
Syed Noor-ul-Hassan Shirazi;Antonios Gouglidis;Arsham Farshad;D. Hutchison
中科院分区：
文献类型：
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作者：
Syed Noor-ul-Hassan Shirazi;Antonios Gouglidis;Arsham Farshad;D. Hutchison
移动边缘计算(MEC)和FOG是将云及其服务扩展到网络边缘的新兴计算模式。MEC和FOG的出现都带来了新的需求，这意味着必须研究它们所支持的部署模型。本文指出了扩展云(即MEC和FOG)对现有云通信和网络服务模式的影响和强烈冲击。尽管它们之间的关系相当明显，但我们根据MEC和FOG提出的新要求，研究了一些重要的性质，特别是那些安全和弹性性质。尽管在一定程度上已经在云环境中研究了安全性和弹性，但现有的解决方案可能不适用于扩展云环境。我们的方法包括检查支撑扩展云的模型和架构，并提供与它们相关的最明显特征的当代讨论。我们将研究实现这些模型和体系结构的技术，并从安全性和弹性要求方面对它们进行分析。此外，还研究了云中与安全和弹性相关的机制的方法(具体而言，异常检测和基于策略的弹性管理)，我们认为这些方法也可以应用于在扩展的云环境中提高安全性和实现弹性。
Mobile edge computing (MEC) and fog are emerging computing models that extend the cloud and its services to the edge of the network. The emergence of both MEC and fog introduce new requirements, which mean their supported deployment models must be investigated. In this paper, we point out the influence and strong impact of the extended cloud (i.e., the MEC and fog) on existing communication and networking service models of the cloud. Although the relation between them is fairly evident, there are important properties, notably those of security and resilience, that we study in relation to the newly posed requirements from the MEC and fog. Although security and resilience have been already investigated in the context of the cloud-to a certain extent-existing solutions may not be applicable in the context of the extended cloud. Our approach includes the examination of models and architectures that underpin the extended cloud, and we provide a contemporary discussion on the most evident characteristics associated with them. We examine the technologies that implement these models and architectures, and analyze them with respect to security and resilience requirements. Furthermore, approaches to security and resilience-related mechanisms are examined in the cloud (specifically, anomaly detection and policy-based resilience management), and we argue that these can also be applied in order to improve security and achieve resilience in the extended cloud environment.