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Computers
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Edge and Cloud Computing in IoT
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Edge and Cloud Computing in IoT

A special issue of Computers (ISSN 2073-431X). This special issue belongs to the section "Internet of Things (IoT) and Industrial IoT".

Deadline for manuscript submissions: closed (30 August 2021) | Viewed by 13923

Special Issue Editors

Dr. Antonios Litke

E-Mail Website
Guest Editor
Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
Interests: edge/cloud computing; distributed systems; IoT and applications; blockchains
Special Issues, Collections and Topics in MDPI journals
Dr. Konstantinos Tserpes

E-Mail Website
Guest Editor
Informatics and Telematics, Harokopio University of Athens, 176 76 Athens, Greece
Interests: edge-cloud continuum; performance modeling; machine learning; data analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Modern approaches on edge computing allow the data produced by Internet of Things (IoT) devices to be processed closer to where they are created, instead of sending them across long routes to data centres or clouds. Performing this computing closer to the edge of the network enables organisations to run near real-time analysis of important data—a need of organisations across many domains, including manufacturing, healthcare, telecommunications, and finance. The disruptive potential of edge computing is fuelled by the unprecedented growth of data, the imminent impact of 5th Generation (5G) networks, the growing importance of latency in modern applications, and the emergence of a distributed computing architecture that favours specialised hardware, like GPUs, and offloads techniques to be covered by cloud infrastructures.

However, the new computing model on the edge needs to address the forthcoming massive usage of edge computing resources in the frame of large IoT deployments in smart cities and industrial applications. Essentially, the main goal in such scenarios is to ensure that the overall offered Quality of Service (QoS) fits the application needs over the edge or edge/cloud deployment. Speed and latency issues have been identified as the primary barrier in this domain, while cost and reliability (meeting the provider Service Level Agreements—SLAs), and trust of edge devices, are important factors for evaluating edge and cloud services in the computing continuum.

We welcome original contributions covering the following topics:

  • IoT/ edge/cloud computing architectures.
  • CPU/GPU and hardware in edge computing.
  • Edge computing for industrial internet and systems.
  • Cloud and fog computing environments.
  • Cloud and edge load balancing and offloading techniques.
  • AI-enabled edge computing.
  • Industrial applications on edge computing and IoT.
  • Edge computing for ad-hoc and sensor networks.
  • Edge and fog scheduling.
  • Managing extensive edge computing based services.
  • Performance modelling and evaluation.
  • QoS/QoE management in the edge/cloud.
  • Security and privacy in the cloud-edge hierarchy.
  • Green edge/cloud computing.
  • SLAs and trust and reputation in edge computing.
  • Scientific workflows on clouds.
  • Mobile clouds and mobile edge computing.
  • Big data/complex event processing in the cloud-edge hierarchy.
  • Cloud continuum–IoT/smart cities integration.
  • Blockchains and DLTs on the edge.

Dr. Antonios Litke
Dr. Konstantinos Tserpes
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Computers is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Internet of Things
  • edge/cloud computing continuum
  • applications on IoT/edge
  • QoS, security, and trust in edge computing

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Published Papers (3 papers)

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Research

12 pages, 819 KiB  
Article
Reinforcing SLA Consensus on Blockchain
by Nikolaos Kapsoulis, Alexandros Psychas, Antonios Litke and Theodora Varvarigou
Computers 2021, 10(12), 159; https://doi.org/10.3390/computers10120159 - 26 Nov 2021
Cited by 6 | Viewed by 3246
Abstract
Cloud Infrastructure as a Service (IaaS) Service Level Agreements (SLAs) assessment constitutes the de facto area of interest and applications in the public cloud infrastructure. However, the domination of colossal corporations tends to monopolize the way metrics and Key Performance Indicators (KPIs) are [...] Read more.
Cloud Infrastructure as a Service (IaaS) Service Level Agreements (SLAs) assessment constitutes the de facto area of interest and applications in the public cloud infrastructure. However, the domination of colossal corporations tends to monopolize the way metrics and Key Performance Indicators (KPIs) are measured and determined, leading to governed environments where the clientele is unable to obtain accurate and unbiased assessment of SLAs. Leaning toward SLA self-assessment, this paper provides a fair SLA consensus approach with innate transparency and privacy by leveraging permissioned blockchains that are equipped with Trusted Execution Environments (TEEs). The SLA assessment intelligence is performed inside enclaved smart contracts isolated from the on-chain entities views. The result constitutes a permissioned blockchain ecosystem where the IaaS and their clientele commonly agree on all the respective SLA monitoring and computation rules beforehand, as defined in any SLA assessment process, while the SLA consensus scheme constantly audits the SLA metrics based on these pre-approved regulations. Full article
(This article belongs to the Special Issue Edge and Cloud Computing in IoT)
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17 pages, 2532 KiB  
Article
Combining Blockchains, Smart Contracts, and Complex Sensors Management Platform for Hyper-Connected SmartCities: An IoT Data Marketplace Use Case
by Georgios Palaiokrassas, Petros Skoufis, Orfefs Voutyras, Takafumi Kawasaki, Mathieu Gallissot, Radhouene Azzabi, Akira Tsuge, Antonios Litke, Tadashi Okoshi, Jin Nakazawa and Theodora Varvarigou
Computers 2021, 10(10), 133; https://doi.org/10.3390/computers10100133 - 16 Oct 2021
Cited by 15 | Viewed by 5095
Abstract
In this paper, we demonstrate the multiple points of innovation when combining blockchain technology with Internet of Things (IoT) and security frameworks. The deployment and use of IoT device networks in smart city environments has produced an enormous amount of data. The fact [...] Read more.
In this paper, we demonstrate the multiple points of innovation when combining blockchain technology with Internet of Things (IoT) and security frameworks. The deployment and use of IoT device networks in smart city environments has produced an enormous amount of data. The fact that those data are possessed by multiple sources that use independent systems for data collection, storage, and use impedes the exploitation of their value. Blockchains, as distributed ledgers, can be used for addressing the development of a universal system for data collection and distribution. Smart contracts can be used to automate all the processes of such a network, while at the same time, blockchain and the InterPlanetary File System (IPFS) protect sensitive data through anonymity and distributed storage. An innovative and open IoT blockchain market of applications, data, and services is proposed that: (i) provides the framework upon which objects and people can exchange value in form of virtual currencies, for assets (data and services) received; (ii) defines the motivation incentives according to social and business context for humans and smart objects to interact. The specific marketplace is piloted through a cross-border trial between Santander and Fujisawa, in the context of the M-Sec project, validating thus the interoperability, efficiency, and data protection principles. Full article
(This article belongs to the Special Issue Edge and Cloud Computing in IoT)
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18 pages, 1168 KiB  
Article
A Methodology for Generating Systems Architectural Glimpse Statements Using the 5W1H Maxim
by Orfefs Voutyras, Aamir H. Bokhari, Akira Tsuge, Georgios Palaiokrassas, Takafumi Kawasaki, Xavier Cases-Camats, Jin Nakazawa, Antonios Litke, Tadashi Okoshi and Theodora Varvarigou
Computers 2021, 10(10), 131; https://doi.org/10.3390/computers10100131 - 15 Oct 2021
Cited by 1 | Viewed by 4255
Abstract
Attempts to facilitate and streamline systems architecting have resulted in a great number of reusable principles, practices, mechanisms, frameworks, and tools. Such a practice is the use of architectural viewpoints and views. However, as systems change, these practices should also evolve. The increasing [...] Read more.
Attempts to facilitate and streamline systems architecting have resulted in a great number of reusable principles, practices, mechanisms, frameworks, and tools. Such a practice is the use of architectural viewpoints and views. However, as systems change, these practices should also evolve. The increasing scale and complexity of systems resulting from an ever-growing pool of human needs and breakthroughs may lead, in some cases, to an increased gap between the abstraction activities attempting to capture the whole of a system, and the instantiation activities that produce concrete and detailed descriptions of a system’s architecture. To address this issue, this article introduces a new notion, that of architectural glimpse statements, fundamental questions acting as the building blocks for architectural views and products. This notion can help architects ask the right questions in the right manner to create fundamental statements, the elaboration on which can lead directly to concrete architectural products. Working on top of standardized and common approaches, the article introduces a language for the creation of architectural glimpse statements using the 5W1H maxim. Based on this language, a tool and guidelines are also provided to facilitate the usage of glimpses. Finally, the overall methodology is demonstrated in two case studies. Full article
(This article belongs to the Special Issue Edge and Cloud Computing in IoT)
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