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Advancements in Computer Systems and Operating Systems

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Computing and Artificial Intelligence".

Deadline for manuscript submissions: 11 November 2024 | Viewed by 699

Special Issue Editor


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Guest Editor
ISEC-Coimbra Institute of Engineering, Coimbra Polytechnic, 3030-199 Coimbra, Portugal
Interests: software reliability; software engineering; dependability evaluation; fault injection

Special Issue Information

Dear Colleagues,

Computer-based systems are increasingly present in almost all aspects of modern society. From simple daily life activities to critical industrial control, everything is dependent on software running on a device, often controlled by a specifically tailored operating system. This trend is increasing, and new application scenarios are continuously being proposed. This leads to a demand for new types of operating system, which must support new features for new operational requirements, including security, power management, and device control, among many other aspects. At the same time, new applications are being put forward, addressing new types of system use, which, in turn, lead to new requirements for operating systems.

We are, therefore, interested in papers presenting advancements in topics including, but not limited to, the following:

  • Innovative approaches to addressing new security issues;
  • Novel applications of generic operating systems for new application scenarios;
  • Improvements to power management suitable for IoT and edge computing;
  • Ground-breaking new features to address emerging scenarios and operational concerns;
  • Innovative operating system features that open up new avenues for modern applications;
  • Case studies on the innovative use of computer-based systems and operating systems;
  • Systematic surveys detailing new trends and open research issues in computer systems and operating systems.

Prof. Dr. João Durães
Guest Editor

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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • operating systems
  • security
  • IoT
  • edge computing
  • cloud
  • emerging computer applications

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Published Papers (1 paper)

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Research

20 pages, 867 KiB  
Article
Leveraging Static and Dynamic Wear Leveling to Prolong the Lifespan of Solid-State Drives
by Ilhoon Shin
Appl. Sci. 2024, 14(18), 8186; https://doi.org/10.3390/app14188186 - 11 Sep 2024
Viewed by 421
Abstract
In order to extend the lifespan of SSDs, it is essential to achieve wear leveling that evenly distributes the accumulated erase counts of NAND blocks, thereby delaying the occurrence of bad blocks as much as possible. This paper proposes the Greedy-MP policy, integrating [...] Read more.
In order to extend the lifespan of SSDs, it is essential to achieve wear leveling that evenly distributes the accumulated erase counts of NAND blocks, thereby delaying the occurrence of bad blocks as much as possible. This paper proposes the Greedy-MP policy, integrating static and dynamic wear leveling. When a specific block exhibits excessive erasures surpassing a defined threshold, Greedy-MP initiates the migration of cold data, expected to undergo infrequent modifications, to that block. Additionally, migrated blocks are excluded as candidates for garbage collection until their erase counts reach a similar level to others, preventing premature transition into bad blocks. Performance evaluations demonstrate that Greedy-MP achieves the longest lifespan across all test scenarios. Compared to policies solely utilizing static wear leveling like PWL, it extends the lifespan by up to 1.72 times. Moreover, when integrated with dynamic wear leveling policies such as CB alongside static wear leveling like PWL, it extends the lifespan by up to 1.99 times. Importantly, these extensions are achieved without sacrificing performance. By preserving garbage collection efficiency, Greedy-MP delivers the shortest average response time for I/O requests. Full article
(This article belongs to the Special Issue Advancements in Computer Systems and Operating Systems)
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