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A Novel Decentralized Group Key Management Scheme for Cloud-Based Vehicular IoT Networks 一种新的基于云的车载物联网分散组密钥管理方案
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.311037
Rakesh Kumar, S. K. Singh, D. K. Lobiyal, Kwok Tai Chui, D. Santaniello, M. Rafsanjani
The vehicular internet of things (VIoT) network is connecting smart commuters to elevate traffic problems and effectiveness that help to improve driving conditions for vehicles. Every ITS-based vehicle OBU and commuter might be interchangeable and used to give access permission for the various services during transportation such as infotainment, emergency service, environment service, road condition, etc. These services are suffering from the 1-affect-n problem, scalability, memory resources, computation, and communication overhead. In this paper, the authors proposed a novel decentralized group key management protocol for cloud-based vehicular IoT networks (GVIoTNet) to solve the problem of 1-affect-n and scalability by using the decentralized approach of group key access, key generation, key distribution, key update among vehicles and commuters. Further, by using the master key encryption approach, the average rekeying minimization is 84.84% with the GroupIT scheme. The minimization of rekeying reduces storage overhead and improves computation as well as communication overhead.
车辆物联网(VIoT)网络正在连接智能通勤者,以改善交通问题和效率,帮助改善车辆的驾驶条件。每个基于its的车辆OBU和通勤者都可以互换,并用于在运输过程中为各种服务(如信息娱乐、应急服务、环境服务、路况等)提供访问许可。这些服务受到“1-影响-n”问题、可伸缩性、内存资源、计算和通信开销的困扰。本文提出了一种新的基于云的车载物联网(GVIoTNet)分散组密钥管理协议,通过在车辆和通勤者之间使用分散的组密钥访问、密钥生成、密钥分发和密钥更新方法来解决1-影响n和可扩展性问题。此外,通过使用主密钥加密方法,GroupIT方案的平均密钥重置最小化率为84.84%。密钥更新的最小化减少了存储开销,提高了计算和通信开销。
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引用次数: 2
Business Demand for a Cloud Enterprise Data Warehouse in Electronic Healthcare Computing: Issues and Developments in E-Healthcare Cloud Computing 电子医疗计算中对云企业数据仓库的业务需求:电子医疗云计算中的问题和发展
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.297098
Amaonwu Onyebuchi, U. O. Matthew, J. S. Kazaure, Nwamaka U. Okafor, O. Okey, Prisca I. Okochi, Janet Folasade Taiwo, Ani Okechukwu Matthew
Cloud enterprise data warehousing is a top level strategic business and information technology (IT) investment initiative in any organization that is technologically inclined, profit driven and customer oriented. To build the data warehouse, data are obtained from numerous heterogenous data sources, transformed, cleansed and processed into an applicable data repositories for implementation across the healthcare organizational settings. The current paper constructed an enterprise cloud data warehouse for e-healthcare organization and connected the medical/clinical workforces through the enterprise e-healthcare data warehouse and allowed the medical solutions and clinical information of all the patient to be stored. The proposed system is expected to improved the e-Healthcare information management by providing a model to support medical software automation, hardware system integration and enhances the control and management of the patients records.
云企业数据仓库是任何有技术倾向、利润驱动和以客户为导向的组织的顶级战略业务和信息技术(IT)投资计划。为了构建数据仓库,需要从众多异构数据源获取数据,并将其转换、清理和处理成适用的数据存储库,以便在整个医疗保健组织设置中实现。本文构建了一个面向电子医疗机构的企业云数据仓库,通过企业电子医疗数据仓库连接医疗/临床工作人员,存储所有患者的医疗解决方案和临床信息。该系统提供了一个支持医疗软件自动化、硬件系统集成的模型,增强了对病历的控制和管理,有望改善电子医疗信息管理。
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引用次数: 7
Multi-Cloud Service Brokers for Selecting the Optimal Data Center in Cloud Environment 在云环境中选择最佳数据中心的多云服务代理
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.309935
Mousa Elrotub, Abdelouahed Gherbi
Cloud computing provides different services through data centers that are often located in different geographical locations. The users are faced with a wide variety of services to choose from. Also, with the increasing number of serviced applications, overloading might occur on service brokers for balancing and serving the requests. Consequently, maximizing the number of entry points and considering the maximum number of factors that affect the performance for balancing the workload is very important for the quality of service. This paper proposes a model named multi-cloud service brokers (MCSB) for selecting the optimal DC using multiple entry points. The developed service broker policy shares information about the requests considering some new performance factors. This extension is added to the CloudAnalyst simulator tool which is used in this work, and the results are evaluated and compared to other existing policies from the literature.
云计算通过通常位于不同地理位置的数据中心提供不同的服务。用户面临着各种各样的服务可供选择。此外,随着服务应用程序数量的增加,平衡和服务请求的服务代理可能会出现过载。因此,最大化入口点的数量并考虑影响平衡工作负载性能的最大因素数量对于服务质量非常重要。本文提出了一个多云服务代理(MCSB)模型,用于使用多个入口点选择最优数据中心。考虑到一些新的性能因素,开发的服务代理策略共享有关请求的信息。该扩展被添加到本工作中使用的CloudAnalyst模拟器工具中,并对结果进行评估,并与文献中的其他现有策略进行比较。
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引用次数: 0
Enhancing QoS with Resource Optimization Technique Based on Harmony Search in Cloud Environment 云环境下基于和谐搜索的资源优化技术增强QoS
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.311504
Geeta Singh, Santosh Kumar, S. Prakash
In cloud environment, enhancing QoS is a challenging task to solve the multi objective problems. Effective load balancing and scheduling is a solution to enhance QoS. Job scheduling is a NP complete problem and is difficult to get the best scheduling especially for large number of jobs to enhance QoS. Multiple activities may need to be scheduled efficiently on various resources (CPU, virtual machines) by reducing completion time and maximizing resource utilization. A meta-heuristic method has been proposed for optimizing multi-objective scheduling problems in cloud systems using harmony search algorithm. According to cloud user's expectations, throughput should be high such that most of the user tasks are completed before the deadline expires thereby resulting in a low task rejection rate. Major purpose of the HS-based, NEW HS scheduling algorithm is to arrange upcoming cloud applications at virtual machines in such a way that tasks are completed in least amount of time (execution and makespan time) with low execution cost and take deadline of cloud application as a QoS constraint.
在云环境下,提高服务质量是解决多目标问题的一项具有挑战性的任务。有效的负载均衡和调度是提高QoS的一种解决方案。作业调度是一个NP完全问题,特别是当作业数量较大时,为了提高服务质量,很难得到最优调度。通过减少完成时间和最大化资源利用率,可能需要在各种资源(CPU、虚拟机)上高效地调度多个活动。提出了一种利用和谐搜索算法优化云系统多目标调度问题的元启发式方法。根据云用户的期望,吞吐量应该很高,以便在截止日期之前完成大多数用户任务,从而降低任务拒绝率。基于HS的NEW HS调度算法的主要目的是将即将到来的云应用安排在虚拟机上,使任务以最少的时间(执行时间和makespan时间)以较低的执行成本完成,并将云应用的截止日期作为QoS约束。
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引用次数: 0
A Hybrid Approach for Task Scheduling in the Cloud Environment 云环境下任务调度的混合方法
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.305215
Krishan Tuli, M. Malhotra
In today’s world, Cloud Computing has been considered as the best concept for the virtualization of various resources. There are various approaches that have been available for improvising the load balancing and also to improvise the job scheduling in the concept of cloud. Cloud Computing has offers the on-demand allocation of resources to users and this feature of cloud makes it a best among various technologies. Cloud computing provides great performance in less maintenance cost. So, Task scheduling has become a very important factor in enhancing the performance of resources dynamically and at low cost, which is the most crucial part of cloud computing. In other words, we can say that allocation of resources and task scheduling are the two major factors that are considered for the better performance and they must be organized precisely. The author has focused on enhancing the task scheduling process by creating a hybrid optimization algorithm and named as Cuckoo Harmony Search Algorithm (CHSA) to remove the task scheduling problem.
在当今世界,云计算被认为是各种资源虚拟化的最佳概念。在云概念中,有各种各样的方法可以用于临时负载平衡和临时作业调度。云计算为用户提供了按需分配的资源,云的这一特性使其成为各种技术中的佼佼者。云计算以较低的维护成本提供了出色的性能。因此,任务调度已经成为动态地、低成本地提高资源性能的一个非常重要的因素,是云计算最关键的部分。换句话说,我们可以说资源分配和任务调度是考虑更好的性能的两个主要因素,它们必须精确地组织起来。作者着重于改进任务调度过程,创建了一种混合优化算法,并将其命名为布谷鸟和谐搜索算法(Cuckoo Harmony Search algorithm, CHSA)来解决任务调度问题。
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引用次数: 0
Reactive Hybrid Model for Fault Mitigation in Real-Time Cloud Computing 实时云计算中故障缓解的响应式混合模型
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.295240
F. A. Osuolale
The Fourth Industrial Revolution is driven by cloud computing for increased productivity and efficiency. Despite the influence of cost-effectiveness, on-demand service and scalability, cloud computing is faced with many challenges such as security, performance, and fault tolerance. This research proposes a reactive mitigation model using checkpointing and replication techniques to overcome the challenges. The developed model has four layers: client/user, controller, fault tolerance (hybrid) and virtual machines layers. The functionalities of the developed model were compared to existing system using the same simulation conditions. The results showed a relative improvement over the existing system in terms of response time and computational cost and the developed system is able to react to faults by transferring requests to stable VMs and resume task execution at the last checkpoint. The developed model proved to work efficiently under various simulation conditions.
第四次工业革命是由云计算推动的,以提高生产力和效率。尽管受到成本效益、按需服务和可伸缩性的影响,云计算仍然面临许多挑战,例如安全性、性能和容错性。本研究提出了一种使用检查点和复制技术来克服挑战的反应性缓解模型。开发的模型有四层:客户端/用户层、控制器层、容错层(混合)和虚拟机层。在相同的仿真条件下,将所开发的模型与现有系统的功能进行了比较。结果表明,与现有系统相比,在响应时间和计算成本方面有了相对的改进,开发的系统能够通过将请求转移到稳定的vm来对故障做出反应,并在最后一个检查点恢复任务执行。所建立的模型在各种仿真条件下都能有效地工作。
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引用次数: 2
MATEM: A Multi-Agent-Based Trust Evaluation Model for Discovery and Delivery of Reliable Cloud Services 基于多代理的可靠云服务发现与交付信任评估模型
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.305213
S. Jaswal, M. Malhotra
The paradigms of Cloud Computing have risen at a very rapid rate. The Cloud Computing demands that a trustworthy or reliable service should be availed by its potential user. However, it is always a challenge for any cloud user to look for service that is suitable as well as reliable in every aspect. For a trustworthy discovery and delivery of cloud services, a multi-layered model i.e., Multi Agent based Trust Evaluation Model (MATEM) has been proposed. It is a multi-agent trust model that will make use of multiple agents to perform and evaluate the credibility of trust through trust evaluation system. Also, the performance validation has proven that the final calculated values of trust will be helpful in providing reliable cloud services to its users.
云计算的范例以非常快的速度崛起。云计算要求其潜在用户应该使用值得信赖或可靠的服务。然而,对于任何云用户来说,寻找在各个方面都合适且可靠的服务始终是一个挑战。为了实现云服务的可信发现和交付,提出了一种多层模型,即基于多代理的信任评估模型(MATEM)。它是一种多智能体信任模型,利用多个智能体通过信任评估系统来执行和评估信任的可信度。同时,性能验证证明,最终计算出的信任值将有助于为用户提供可靠的云服务。
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引用次数: 10
Trust Evaluation and Prioritization of Cloud Service Providers Using MADM Methods 基于MADM方法的云服务提供商信任评估与优先级排序
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.305219
Suruchi M Pawar, Eunice Grace Paulson, Prajakta Sunil Badgujar, Shilpa Deshpande
With the increasing market for cloud computing and the variety of Cloud Service Providers (CSPs) becoming available, making an appropriate choice of a CSP turns out to be challenging for the consumer. In order to cater to the user’s specific needs of quality, the services provided need to be user-centric. Trust plays an important role in the selection of cloud providers by users. This paper proposes CSP Trust evaluation, Prioritization and Recommendation System (CTPRS) for evaluating the trust of CSPs based on Quality of Service (QoS) parameters, and accordingly ranking and recommending them. MADM methods, namely ARAS, DEA, and GRA are used to evaluate trust by considering the user's preferences across multiple QoS parameters of CSPs. Comparative analysis of all three MADM methods is done using rank conformance, rank correlation, sensitivity, and computational complexity analysis. Experimental results demonstrate that GRA is superior to the other two methods. Thus, GRA is found to be the most suitable method and is therefore used for evaluating trust in CTPRS.
随着云计算市场的不断增长和各种云服务提供商(CSP)的出现,对消费者来说,选择合适的CSP是一项挑战。为了迎合用户对质量的特定需求,所提供的服务需要以用户为中心。信任在用户选择云提供商的过程中起着重要的作用。本文提出了基于服务质量(QoS)参数的CSP信任评估、优先排序和推荐系统(CTPRS),用于评估CSP的信任,并对其进行排序和推荐。采用MADM方法,即ARAS、DEA和GRA,通过考虑用户对csp多个QoS参数的偏好来评估信任。通过秩一致性、秩相关性、灵敏度和计算复杂度分析,对三种MADM方法进行了比较分析。实验结果表明,GRA算法优于其他两种方法。因此,发现GRA是最合适的方法,因此用于评估CTPRS中的信任。
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引用次数: 0
Performance Evaluation of Contiguous and Noncontiguous Processor Allocation Based on Common Communication Patterns for 2D Mesh Interconnection Network 二维网格互连网络中基于通用通信模式的连续与不连续处理器分配性能评价
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.295239
Areen Al Abass, S. Bani-Mohammad, I. Ababneh
Several processor allocation studies show that the performance of noncontiguous allocation is dramatically better than that of contiguous allocation, but this is not always true. The communication pattern may have a great effect on the performance of processor allocation algorithms. In this paper, the performance of well-known allocation algorithms is re-considered based on several communication patterns, including Near Neighbor, Ring, All-to-All, Divide and Conquer Binomial Tree (DQBT), Fast Fourier Transform (FFT), One-to-All, All-to-One, and Random. The allocation algorithms investigated include the contiguous First Fit (FF) and Best Fit (BF) and the noncontiguous Paging(0), Greedy Available Busy List (GABL) and Multiple Buddy Strategy (MBS). In near neighbor, FFT and DQBT, the simulation results show that the performance of contiguous allocation is dramatically better than that of the noncontiguous allocation in terms of response time; except for MBS in DQBT. In All-to-All, the results show that the performance of contiguous FF and BF is better than that of the noncontiguous MBS.
一些处理器分配研究表明,非连续分配的性能明显优于连续分配,但这并不总是正确的。通信模式对处理器分配算法的性能有很大的影响。本文基于几种通信模式,包括近邻、环、全对全、分而治之二叉树(dbbt)、快速傅立叶变换(FFT)、一对所有(One-to-All)、全对一(All-to-One)和随机,重新考虑了知名分配算法的性能。研究的分配算法包括连续的首次匹配(FF)和最佳匹配(BF)以及不连续的分页(0)、贪婪的可用忙列表(GABL)和多伙伴策略(MBS)。仿真结果表明,在近邻、FFT和DQBT中,连续分配的性能在响应时间上明显优于非连续分配;DQBT中的MBS除外。在All-to-All中,结果表明连续的FF和BF的性能优于非连续的MBS。
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引用次数: 1
Device Access Control and Key Exchange (DACK) Protocol for Internet of Things 物联网设备访问控制和密钥交换(DACK)协议
Pub Date : 2022-01-01 DOI: 10.4018/ijcac.297103
Md. Alimul Haque, Nourah Almrezeq, Shameemul Haque, A. El-Aziz
Internet of Things is a promising technology but it also increases numerous security threats in data transmission. To secure neighboring sensing devices' communication in an IoT environment, a key agreement protocol is primordial. Various IoT data transmission mechanisms have been proposed in the literature to attain security. However, these propositions are not completely secure against all types of attacks. In this paper, a new certificate-based was proposed lightweight authentication and key agreement protocol for the IoT environment. The proposed protocol uses Elliptic Curves Cryptography and minimizes the number of operations needed to generate secret keys. Moreover, performed a detailed informal security analysis, and formal security verification using Automated Validation of Internet Security Protocols and Applications (AVISPA) tool, through which demonstrated that the proposed protocol is resilient against numerous known attacks. The implementation of the proposed protocol using the simulator to evaluate the impact of the proposed protocol on several network parameters.
物联网是一项很有前途的技术,但它也给数据传输带来了许多安全威胁。为了确保物联网环境中相邻传感设备的通信安全,关键协议是基本的。为了实现安全性,文献中提出了各种物联网数据传输机制。然而,这些命题并不能完全抵御所有类型的攻击。针对物联网环境,提出了一种新的基于证书的轻量级认证和密钥协商协议。提出的协议使用椭圆曲线加密技术,并最大限度地减少了生成密钥所需的操作次数。此外,进行了详细的非正式安全分析,并使用互联网安全协议和应用程序自动验证(AVISPA)工具进行了正式的安全验证,通过该工具证明了所提议的协议对许多已知攻击具有弹性。利用模拟器来评估所提出的协议对若干网络参数的影响。
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引用次数: 5
期刊
Int. J. Cloud Appl. Comput.
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