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2019 Fourth International Conference on Fog and Mobile Edge Computing (FMEC)最新文献

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Analysis of Lightweight Message Authentication Codes for IoT Environments 物联网环境下轻量级消息认证码分析
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795359
G. Saldamli, L. Ertaul, Asharani Shankaralingappa
In recent years, Internet of Things (IoT) have spread everywhere from smart home to wireless sensor networks. The physical devices connected to the internet in IoT networks are resource constrained, so implementing security using conventional cryptographic algorithms are not suitable for these resource constrained devices. Recently, National Institute of Standards and Technology (NIST) has published the techniques of lightweight cryptography, which provides a way to implement security in a limited resource environment (IoT environment). Lightweight Message Authentication Code (MAC) is one of the technique in lightweight cryptography. This paper provides an overview of performance analysis of the lightweight cryptography algorithms, which are hash-based Lightweight MAC - LightMAC, CHASKEY on NUCLEO-F401RE IoT board, which has STM32F401RE microcontroller. Performance of these algorithms is analyzed based on the power consumption, memory consumption, execution time and throughput with various supported key sizes and message lengths.
近年来,物联网(IoT)从智能家居到无线传感器网络无处不在。在物联网网络中,连接到互联网的物理设备是资源受限的,因此使用传统的加密算法实现安全并不适合这些资源受限的设备。最近,美国国家标准与技术研究所(NIST)发布了轻量级加密技术,该技术提供了一种在有限资源环境(物联网环境)中实现安全性的方法。轻量级消息认证码(MAC)是轻量级密码技术中的一种技术。本文概述了采用STM32F401RE微控制器的NUCLEO-F401RE IoT板上基于哈希的轻量级MAC - LightMAC、CHASKEY等轻量级加密算法的性能分析。在支持不同密钥大小和消息长度的情况下,根据功耗、内存消耗、执行时间和吞吐量分析了这些算法的性能。
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引用次数: 9
Machine Learning on Mobile: An On-device Inference App for Skin Cancer Detection 移动设备上的机器学习:用于皮肤癌检测的设备上推理应用程序
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795362
Xiangfeng Dai, Irena Spasic, B. Meyer, Samuel Chapman, F. Andrès
Mobile health (mHealth) is considered one of the most transformative drivers for health informatics delivery of ubiquitous medical applications. Machine learning has proven to be a powerful tool in classifying medical images for detecting various diseases. However, supervised machine learning requires a large amount of data to train the model, whose storage and processing pose considerable system requirements challenges for mobile applications. Therefore, many studies focus on deploying cloud-based machine learning, which takes advantage of the Internet connection to outsource data intensive computing. However, this approach comes with certain drawbacks such as those related to latency and privacy, which need to be considered in the context of sensitive data. To tackle these challenges of mHealth applications, we present an on-device inference App and use a dataset of skin cancer images to demonstrate a proof of concept. We pre-trained a Convolutional Neural Network model using 10,015 skin cancer images. The model is then deployed on a mobile device, where the inference process takes place, i.e. when presented with new test image all computations are executed locally where the test data remains. This approach reduces latency, saves bandwidth and improves privacy.
移动医疗(mHealth)被认为是无处不在的医疗应用程序提供健康信息的最具变革性驱动因素之一。机器学习已被证明是分类医学图像以检测各种疾病的强大工具。然而,监督式机器学习需要大量的数据来训练模型,这些数据的存储和处理给移动应用带来了相当大的系统需求挑战。因此,许多研究集中于部署基于云的机器学习,它利用互联网连接来外包数据密集型计算。但是,这种方法也有一些缺点,例如与延迟和隐私相关的缺点,需要在敏感数据的上下文中考虑这些缺点。为了解决移动健康应用程序的这些挑战,我们提出了一个设备上的推理应用程序,并使用皮肤癌图像数据集来演示概念验证。我们使用10015张皮肤癌图像预训练了一个卷积神经网络模型。然后将模型部署在移动设备上,在那里进行推理过程,即当提供新的测试图像时,所有计算都在本地执行,测试数据保留在本地。这种方法减少了延迟、节省了带宽并提高了隐私性。
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引用次数: 64
Network-Protocol-Based IoT Device Identification 基于网络协议的物联网设备识别
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795318
Nesrine Ammar, L. Noirie, S. Tixeuil
To empower end-users in the management of their IoT devices and related services, a natural solution is to design and implement a digital assistant whose role is to facilitate use of IoT devices, e.g. by recommending available services for the given set of existing IoT devices. This digital assistant must be able to identify the core capabilities of the IoT devices that are connected to home networks. In turn, this requires to identify the nature of the IoT devices connected to these home networks (e.g., category of the device, but also manufacturer and exact model of the device). In this article, we address this issue of IoT device identification. We propose a solution based on several existing network protocols. The key idea of our solution is to analyze the packets sent by the device to extract relevant information for device identification purpose. We show that our solution is effective by uniquely identifying 31 devices among 33 of the tested devices: each of these devices is identified by a unique feature vector using the Bag Of Words representation.
为了使最终用户能够管理其物联网设备和相关服务,一个自然的解决方案是设计和实现一个数字助理,其作用是促进物联网设备的使用,例如,通过为给定的现有物联网设备集推荐可用的服务。这个数字助理必须能够识别连接到家庭网络的物联网设备的核心功能。反过来,这需要识别连接到这些家庭网络的物联网设备的性质(例如,设备的类别,以及设备的制造商和确切型号)。在本文中,我们将讨论物联网设备识别的这个问题。我们提出了一个基于几种现有网络协议的解决方案。我们的解决方案的关键思想是对设备发送的数据包进行分析,提取相关信息,用于设备识别。我们通过在33个测试设备中唯一识别31个设备来证明我们的解决方案是有效的:每个设备都由使用Bag of Words表示的唯一特征向量识别。
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引用次数: 20
OKAPI: In Support of Application Correctness in Smart Home Environments OKAPI:支持智能家居环境中的应用程序正确性
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795349
T. Melissaris, K. Shaw, M. Martonosi
Typical Internet of Things (IoT) and smart home environments are composed of smart devices that are controlled and orchestrated by applications developed and run in the cloud. Correctness is important for these applications, since they control the home’s physical security (i.e. door locks) and systems (i.e. HVAC). Unfortunately, many smart home applications and systems exhibit poor security characteristics and insufficient system support. Instead they force application developers to reason about a combination of complicated scenarios—asynchronous events and distributed devices. This paper demonstrates that existing cloud-based smart home platforms provide insufficient support for applications to correctly deal with concurrency and data consistency issues. These weaknesses expose platform vulnerabilities that affect system correctness and security (e.g. a smart lock erroneously unlocked). To address this, we present OKAPI, an application-level API that provides strict atomicity and event ordering. We evaluate our work using the Samsung SmartThings smart home devices, hub, and cloud infrastructure. In addition to identifying shortfalls of cloud-based smart home platforms, we propose design guidelines to make application developers oblivious of smart home platforms’ consistency and concurrency intricacies.
典型的物联网(IoT)和智能家居环境由智能设备组成,这些智能设备由在云中开发和运行的应用程序控制和编排。这些应用程序的正确性非常重要,因为它们控制着家庭的物理安全(即门锁)和系统(即暖通空调)。不幸的是,许多智能家居应用和系统表现出较差的安全特性和系统支持不足。相反,它们迫使应用程序开发人员考虑复杂场景的组合——异步事件和分布式设备。本文论证了现有的基于云的智能家居平台对应用正确处理并发性和数据一致性问题的支持不足。这些弱点暴露了影响系统正确性和安全性的平台漏洞(例如,智能锁被错误解锁)。为了解决这个问题,我们提出了OKAPI,这是一个提供严格原子性和事件排序的应用程序级API。我们使用三星智能家居设备、集线器和云基础设施来评估我们的工作。除了识别基于云的智能家居平台的不足之外,我们还提出了设计指南,使应用程序开发人员忽略智能家居平台的一致性和并发性的复杂性。
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引用次数: 4
Online User-driven Task Scheduling for FemtoClouds femtocloud的在线用户驱动任务调度
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795304
C. Anglano, M. Canonico, Marco Guazzone
In Fog Computing, FemtoClouds are emerging computing systems consisting of a set of heterogeneous mobile devices whose users allow to run tasks offloaded by other users. FemtoClouds are well suited to run Bag-of-Tasks (BoTs) applications, but they need effective scheduling algorithms that are able to deal with collections of independently-owned, heterogeneous devices that can suddenly leave the system. In this paper, we present UDFS, an online scheduling algorithm that, by combining knowledge-free task and device selection policies with suitable heterogeneity and volatility tolerance mechanisms, can effectively schedule a stream of BoT applications on FemtoClouds. We evaluate the ability of UDFS to achieve its design goals and to perform better than existing scheduling alternatives, by carrying out a thorough simulation study for a large set of realistic scenarios. Our results indeed show that UDFS can effectively schedule a stream of BoT applications on FemtoClouds, and it can do so more effectively than existing scheduling alternatives.
在雾计算中,femtocloud是由一组异构移动设备组成的新兴计算系统,其用户允许运行由其他用户卸载的任务。femtocloud非常适合运行任务包(bot)应用程序,但它们需要有效的调度算法,能够处理可能突然离开系统的独立拥有的异构设备集合。在本文中,我们提出了一种在线调度算法UDFS,它通过将无知识的任务和设备选择策略与合适的异构和波动容忍机制相结合,可以有效地调度femtocloud上的BoT应用程序流。通过对大量现实场景进行彻底的模拟研究,我们评估了UDFS实现其设计目标的能力,并比现有的调度方案执行得更好。我们的结果确实表明,UDFS可以有效地调度FemtoClouds上的BoT应用程序流,而且它比现有的调度方案更有效。
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引用次数: 12
Cooperative Fog Communications using A Multi-Level Load Balancing 使用多级负载平衡的协同雾通信
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795325
Nour Mostafa
Fog Computing has been introduced as an emergence technology in Internet of Things (IoT). Fog Computing is introduced as a solution for many enterprises, which include computation, storage, and data exchange capabilities of edge, devises. Users, resources, and data are steadily increasing in number, making scalability and extensibility important issues. With the emergence of the Cloud/Fog it is expected that run time estimates will also be used for resource selection, workflow management, load balancing, and job monitoring. User preferences is the core elements of the fog/cloud service provider, as the idea is to learn, predict, optimize etc. Predictions are a very important step towards automatic resource management. This paper proposes a cooperative fogs system, which consider the user preferences e.g. delay, cost, and privacy and find the optimal choice that meet the user preferences. In addition to ensuring efficient utilization of resources to balance the load in fog computing.
雾计算作为物联网(IoT)的新兴技术被引入。雾计算是许多企业的一种解决方案,它包括边缘设备的计算、存储和数据交换功能。用户、资源和数据的数量在稳步增长,这使得可伸缩性和可扩展性成为重要问题。随着Cloud/Fog的出现,预计运行时评估也将用于资源选择、工作流管理、负载平衡和作业监控。用户偏好是雾/云服务提供商的核心要素,因为其理念是学习、预测、优化等。预测是实现自动资源管理的一个非常重要的步骤。本文提出了一种协作雾系统,该系统考虑用户的延迟、成本和隐私等偏好,并找到满足用户偏好的最优选择。在雾计算中,除了保证资源的有效利用外,还要平衡负载。
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引用次数: 7
Coordinating Computation at the Edge: a Decentralized, Self-Organizing, Spatial Approach 边缘协调计算:一种分散的、自组织的空间方法
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795355
Roberto Casadei, Mirko Viroli
Fog and Mobile Edge Computing are promising paradigms aimed at bringing cloud-like functionality at the edge of the network, close to end users and IoT devices, hence complementing the offer of traditional cloud computing, which is based on powerful but distant data centers. A notable, specific thread of research explores so-called edge-clouds, i.e., small clouds emerging from the combination of resources of proximate edge-devices, whose goal is to provide on-demand storage and computation power to nearby users. In order to support the engineering of such edge computing ecosystems, in this paper we describe an approach for coordinating resources and computations in edge-clouds that assumes connectivity only to nearby devices (abstracting from the concrete communication technology) and tolerates unreliability by self-adaptation to device failure, mobility and withdrawal. Most notably, we delineate a decentralized, self-organizing, spatial approach that works by dynamically partitioning the system into areas, each one governed by an elected manager, and setting up downstream and upstream coordination flows from managers to peripheral nodes (i.e., workers and users) and vice versa. We provide an implementation schema in the ScaFi framework for aggregate programming and evaluate a basic request scheduling scenario through simulation.
雾和移动边缘计算是很有前途的范例,旨在在网络边缘带来类似云的功能,靠近最终用户和物联网设备,从而补充传统云计算的提供,传统云计算基于强大但远程的数据中心。一个值得注意的、具体的研究线索探讨了所谓的边缘云,即从邻近边缘设备的资源组合中出现的小云,其目标是为附近的用户提供按需存储和计算能力。为了支持这种边缘计算生态系统的工程,在本文中,我们描述了一种在边缘云中协调资源和计算的方法,该方法假设仅与附近的设备连接(从具体的通信技术中抽象出来),并通过自适应设备故障、移动性和退出来容忍不可靠性。最值得注意的是,我们描述了一种分散的、自组织的、空间的方法,它通过动态地将系统划分为区域,每个区域由选举产生的管理者管理,并建立从管理者到外围节点(即工人和用户)的下游和上游协调流,反之亦然。我们在ScaFi框架中提供了一个用于聚合规划的实现模式,并通过仿真评估了一个基本的请求调度场景。
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引用次数: 22
Distributed SDN controllers optimization for energy saving 分布式SDN控制器优化节能
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795343
Tadeu F. Oliveira, L. Silveira
This paper presents a proposal for energy optimization on Software-Defined Network (SDN) by a proper controller placement. First, the discussion shows the definition of SDN and the role of controllers, then the current state-of-the-art on distributed SDN controllers is briefly discussed showing that current research on this topic focuses on fault-tolerance and load-balancing. Then the energy saving SDN strategies are presented and the problem of saving energy on the control-plane is given further details. A new approach based on parallelism and lower processor frequencies is demonstrated finally, the expected results and key contributions are defined.
本文提出了一种通过适当的控制器布局实现软件定义网络(SDN)能量优化的方案。首先,讨论了SDN的定义和控制器的作用,然后简要讨论了分布式SDN控制器的最新进展,表明当前对该主题的研究主要集中在容错和负载平衡上。然后提出了SDN的节能策略,并对控制平面上的节能问题进行了进一步的讨论。最后给出了一种基于并行性和低处理器频率的新方法,并给出了预期结果和关键贡献。
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引用次数: 3
Network Slicing for End-to-End Latency Provisioning in Internet of Things 面向物联网端到端延迟供应的网络切片
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795360
Kamil Macheta, Krzysztof Mateusz Malarski, M.N. Petersen, S. Ruepp
The Internet of Things technology is vastly growing, and more and more applications are being linked to IoT. IoT is moving from a massive deployment and gadget-like applications to also include critical applications for industry, telemedicine or utilities. In this work, we present our plans for a simulation framework that can evaluate and provide end-to-end latency bound connectivity through network slicing.
物联网技术正在迅速发展,越来越多的应用与物联网联系在一起。物联网正在从大规模部署和类似小工具的应用转向包括工业、远程医疗或公用事业的关键应用。在这项工作中,我们提出了一个模拟框架的计划,该框架可以通过网络切片评估和提供端到端延迟绑定连接。
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引用次数: 1
Wildfire Detection using Wireless Mesh Network 利用无线网状网络进行野火探测
Pub Date : 2019-06-10 DOI: 10.1109/FMEC.2019.8795316
G. Saldamli, S. Deshpande, Kaustubh Jawalekar, Pritam Gholap, L. Tawalbeh, L. Ertaul
Forests are one of the prime protectors of earths ecological balance. Unfortunately, the forest fire is typically only discovered when it has already spread over a massive area, making its manage and stoppage onerous and even impossible at times. The end result is devastating loss and irreparable damage to the environment and atmosphere. Among other terrible penalties of forest fires are long-term disastrous outcomes such as impacts on local weather patterns, global warming, and extinction of rare species of the flora and fauna. Millions of hectares of forest are destroyed by means of fire each and every year. Areas destroyed through these fires are massive and trigger greater carbon monoxide than the average automobile traffic. Monitoring of the plausible threat areas and an early detection of fire can substantially shorten the reaction time and also minimize the potential damage as well as the cost of firefighting. Economic fire alarm structures are quintessential in imparting an early warning in the event of fire. They help to save lives and protect property whilst additionally satisfying the needs of insurance groups and government departments. The proposed system is capable of detecting smoke, different flammable gases and fire and notifying any hazardous situation using an Iot Dashboard. This wildfire smoke detection system with IoT framework provides a smart and cost efficient solution that saves lot of flora, fauna and human lives.
森林是地球生态平衡的主要保护者之一。不幸的是,森林火灾通常只有在它已经蔓延到大片地区时才会被发现,这使得它的管理和停止变得繁重,甚至有时是不可能的。最终的结果是对环境和大气造成毁灭性的损失和无法弥补的破坏。森林火灾的其他可怕后果包括对当地天气模式的影响、全球变暖以及珍稀动植物物种的灭绝等长期灾难性后果。每年都有数百万公顷的森林被大火烧毁。这些火灾摧毁的地区面积巨大,产生的一氧化碳比一般汽车交通产生的一氧化碳还要多。监测可能的威胁区域和早期发现火灾可以大大缩短反应时间,也可以最大限度地减少潜在的损失和消防成本。经济火灾报警结构在火灾发生时提供早期预警是必不可少的。他们帮助拯救生命和保护财产,同时也满足保险集团和政府部门的需求。该系统能够检测烟雾、不同的可燃气体和火灾,并使用物联网仪表板通知任何危险情况。这种具有物联网框架的野火烟雾探测系统提供了一种智能且经济高效的解决方案,可以挽救大量动植物和人类的生命。
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引用次数: 11
期刊
2019 Fourth International Conference on Fog and Mobile Edge Computing (FMEC)
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