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Data Analysis of Network Parameters for Secure Implementations of SDN-Based Firewall

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Computers, Materials & Continua 2023年第11期77卷 1575-1598页

作者： Rizwan Iqbal Rashid Hussain Sheeraz Arif nadia Mustaqim Ansari Tayyab Ahmed Shaikh Department of Telecommunication Engineering Dawood University of Engineering&TechnologyKarachiPakistan Faculty of Engineering Sciences and Technology Hamdard UniversityKarachiPakistan Faculty of Information Technology Salim Habib UniversityKarachiPakistan Department of Electronic Engineering Dawood University of Engineering&TechnologyKarachiPakistan

Software-Defined Networking(SDN)is a new network technology that uses programming to complement the data plane with a control *** enable safe connection,however,numerous security challenges must be *** attacks have been one of the most prominent risks on the internet for decades,and they are now becoming challenging difficulties in SDN *** solve these challenges,we proposed a unique firewall application built on multiple levels of packet filtering to provide a flooding attack prevention system and a layer-based packet detection *** study offers a systematic strategy for wrapping up the examination of SDN *** Mininet simulator examines the effectiveness of SDN-based firewalls at various network *** fundamental network characteristics that specify how SDN should *** three main analytical measures of the network are jitter,response time,and *** regular operations,their behavior evaluates in the standard SDN conditions of Transmission Control Protocol(TCP)flooding and User Datagram Protocol(UDP)flooding with no SDN *** Orbit Ion Cannon(LOIC)is applied to launch attacks on the transmission by the allocated *** and MATLAB are used for the behavioral study to determine how sensitive the parameters are used in the SDN network and monitor the fluctuations of those parameters for different simulated scenarios.

关键词： Software defined networking firewall POX controller open v switch Mininet OpenFlow

Live Migration of Virtual Machines Using a Mamdani Fuzzy Inference System

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Computers, Materials & Continua 2022年第5期71卷 3019-3033页

作者： Tahir Alyas Iqra Javed Abdallah Namoun Ali Tufail Sami Alshmrany nadia Tabassum Department of Computer Science Lahore Garrison UniversityLahore54000Pakistan Faculty of Computer and Information Systems Islamic University of MadinahMadinah42351Saudi Arabia Department of Computer Science Virtual University of PakistanLahore54000Pakistan

Efforts were exerted to enhance the live virtual machines(VMs)migration,including performance improvements of the live migration of services to the *** VMs empower the cloud users to store relevant data and ***,the utilization of servers has increased significantly because of the virtualization of computer systems,leading to a rise in power consumption and storage requirements by data centers,and thereby the running *** center migration technologies are used to reduce risk,minimize downtime,and streamline and accelerate the data center move ***,several parameters,such as non-network overheads and downtime adjustment,may impact the live migration time and server downtime to a large *** virtualizing the network resources,the infrastructure as a service(IaaS)can be used dynamically to allocate the bandwidth to services and monitor the network flow *** to the large amount of filthy retransmission,existing live migration systems still suffer from extensive downtime and significant performance degradation in crossdata-center *** study aims to minimize the energy consumption by restricting the VMs migration and switching off the guests depending on a threshold,thereby boosting the residual network bandwidth in the data center with a minimal breach of the service level agreement(SLA).In this research,we analyzed and evaluated the findings observed through simulating different parameters,like availability,downtime,and outage of VMs in data center *** new paradigm is composed of two forms of detection strategies in the live migration approach from the source host to the destination source machine.

关键词： Cloud computing IaaS data centre storage performance analysis live migration

QoS Based Cloud Security Evaluation Using Neuro Fuzzy Model

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Computers, Materials & Continua 2022年第1期70卷 1127-1140页

作者： nadia Tabassum Tahir Alyas Muhammad Hamid Muhammad Saleem Saadia Malik Syeda Binish Zahra Department of Computer Science Virtual University of PakistanLahore54000Pakistan Department of Computer Science Lahore Garrison UniversityLahore54000Pakistan Department of Statistics and Computer science University of veterinary and animal sciencesLahore54000Pakistan Department of Industrial Engineering Faculty of EngineeringRabighKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Information Systems Faculty of Computing and Information Technology-RabighKing Abdulaziz UniversityJeddah21589Saudi Arabia

Cloud systems are tools and software for cloud computing that are deployed on the Internet or a cloud computing network,and users can use them at any *** assessing and choosing cloud providers,however,customers confront the variety and difficulty of quality of service(QoS).To increase customer retention and engagement success rates,it is critical to research and develops an accurate and objective evaluation *** is the emerging environment for distributed services at various *** to the benefits of this environment,globally cloud is being taken as a standard environment for individuals as well as for the corporate sector as it reduces capital expenditure and provides secure,accessible,and manageable services to all stakeholders but Cloud computing has security challenges,including vulnerability for clients and association acknowledgment,that delay the rapid adoption of computing *** of resources in the Cloud is difficult because resources provide numerous measures of quality of *** this paper,the proposed resource allocation approach is based on attribute QoS Scoring that takes into account parameters the reputation of the asset,task completion time,task completion ratio,and resource *** article is focused on the cloud service’s security,cloud reliability,and could *** this paper,the machine learning algorithm neuro-fuzzy has been used to address the cloud security issues to measure the parameter security and privacy,trust *** findings reveal that the ANFIS-dependent parameters are primarily designed to discern anomalies in cloud security and features output normally yields better results and guarantees data consistency and computational power.

关键词： Cloud computing performance quality of service machine learning neuro-fuzzy

Towards a systematic understanding of blockchain governance in proposal voting: A dash case study

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Blockchain(Research and Applications) 2022年第3期3卷 89-99页

作者： Lawrence Mosley Hieu Pham Xiaoshi Guo Yogesh Bansal Eric Hare nadia Antony Omni Analytics Group AmesIA50014USA College of Business The University of Alabama in HuntsvilleHuntsvilleAL35899USA Department of Industrial and Manufacturing Systems Engineering Iowa State UniversityAmesIA50014USA Omni Analytics Innovative Technologies Initiative AmesIA50014USA

The transparent and immutable nature of blockchain provides incentives for organizations wishing to create and implement an open,decentralized governance *** members exercise their voting rights,a fault-tolerant record accumulates on the blockchain that can be analyzed to diagnose and intercept potential threats to the governing *** date,there has not been a systematic study of on-chain governance with respect to *** this paper,we provide an analysis of blockchain governance through a case study of the first cryptocurrency to adopt on-chain voting,*** analysis introduces the key characteristics of blockchain governance,steps through a data-driven exploration of Dash's on-chain voting system,and highlights exploitable attack vectors and vulnerabilities for the subversion of Dash's on-chain voting system via a novel network analysis *** then conclude with guidelines for other organizations looking to implement similar blockchain governance solutions while maintaining integrity in their operations.

关键词： Decentralized governance Blockchain Voting systems Data mining Network analysis

Seed-Specific Expression of Apolipoprotein A-IMilano Dimer in Engineered Rice Lines

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Rice science 2023年第6期30卷 587-597页

作者： Serena REGGI Elisabetta ONELLI Alessandra MOSCATELLI nadia STROPPA Matteo DELL’ANNO Kiril PERFANOV Luciana ROSSI Department of Veterinary Medicine and Animal Science University of MilanLodi 26900Italy Department of Biosciences University of MilanMilan 20133Italy Plantechno Srl Casalmaggiore 26040Italy

Apolipoprotein A-IMilano(ApoA-IM)has been shown to significantly reduce coronary atherosclerotic ***,the preparation of cost-effective pharmaceutical formulations of ApoA-IM is limited by the high cost and difficulty of purifying the protein and producing the highly effective dimeric *** aim of this study was to create an expression cassette that specifically drives the expression of dimeric ApoA-IM in the protein bodies of rice *** ApoA-IM protein under control of the 13 kDa prolamin promoter is expressed exclusively in its dimeric form within the seeds,and immunocytochemical and immunogold analyses confirmed its expression in different caryopsis tissue such as seed coat,aleurone cell and endosperm,particularly in amyloplast and storage vacuoles.A plant-based ApoA-IM production system offered numerous advantages over current production systems,including the direct production of the most therapeutically effective dimeric ApoA-IM forms,long-term protein storage in seeds,and ease of protein production by simply growing ***,seeds had the potential to serve as a costeffective source of therapeutic ApoA-IM.

关键词： apolipoprotein A-IMilano engineered plant immunofluorescence immunogold analysis rice seed-specific promoter

Pixel’s Quantum Image Enhancement Using Quantum Calculus

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Computers, Materials & Continua 2023年第2期74卷 2531-2539页

作者： Husam Yahya Dumitru Baleanu Rabha W.Ibrahim nadia M.G.Al-Saidi Imam Ja’far Al-Sadiq University Baghdad10064Iraq Department of Mathematics Cankaya UniversityAnkara06530Turkey Institute of Space Sciences Magurele-BucharestR76900Romania Department of Medical Research China Medical University40402Taiwan The Institute of Electrical and Electronics Engineers(IEEE) 94086547Portland97005USA Department of Applied Sciences University of TechnologyBaghdad10066Iraq

The current study provides a quantum calculus-based medical image enhancement technique that dynamically chooses the spatial distribution of image pixel intensity *** technique focuses on boosting the edges and texture of an image while leaving the smooth areas *** brain Magnetic Resonance Imaging(MRI)scans are used to visualize the tumors that have spread throughout the brain in order to gain a better understanding of the stage of brain *** detecting brain cancer is a complex challenge that the medical system faces when diagnosing the *** solve this issue,this research offers a quantum calculus-based MRI image enhancement as a pre-processing step for brain cancer *** proposed image enhancement approach improves images with low gray level changes by estimating the pixel’s quantum *** suggested image enhancement technique is demonstrated to be robust and resistant to major quality changes on a variety ofMRIscan datasets of variable *** scans,the BRISQUE“blind/referenceless image spatial quality evaluator”and the NIQE“natural image quality evaluator”measures were 39.38 and 3.58,*** proposed image enhancement model,according to the data,produces the best image quality ratings,and it may be able to aid medical experts in the diagnosis *** experimental results were achieved using a publicly available collection of MRI scans.

关键词： Quantum calculus MRI brain cancer image enhancement image processing BRISQUE NIQE

Inhibition of asphaltene deposition by Al_(2)O_(3) nanoparticles during CO_(2) injection

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Petroleum Research 2023年第4期8卷 499-504页

作者： Ali Amraeiniya Alireza Rahimi nadia Nikpour Siamand Salimi Baneh Farid Arabzadeh Mehdi Razavifar Department of Petroleum Engineering Islamic Azad UniversityCentral Tehran BranchTehranIran Department of Petroleum Engineering Islamic Azad UniversityLamerd BranchLamerdIran Department of Mechanical Engineering Urmia UniversityUrmiaIran Department of Petroleum and Natural Gas Engineering Sahand University of TechnologyTabrizIran Department of Petroleum Engineering Kharg BranchIslamic Azad UniversityKhargIran Department of Petroleum Enginering School of Chmical and Peoeum EngineeringShraz UnivertyShaz Iran

Carbon dioxide flooding is of interest due to its high oil-sweep efficiency for enhanced oil recovery and contribution to the reduction of greenhouse gas ***,when CO_(2)is injected into deep geological strata,asphaltene may *** this work,the effect of Al2O3 nanoparticles on the deposition of asphaltene was examined by assessing the variations of bond number and interfacial tension at different pressures and a temperature of 6℃.The asphaltene onset point and intensity were characterized using the bond number,which proved a better indicator of changes in oil droplet shape and interfacial tension with *** mixtures of toluene and n-heptane that contained two different kinds of asphaltenes were used as M and D oil samples.A 0.06 mass%addition of Al_(2)O_(3) nanoparticles,which worked best for reduction of interfacial tension,was also applied at various *** of nanoparticles to the oils prevented asphaltene precipitation in both synthetic samples by altering the slope of the plot of interfacial tension with pressure by 49.7% for the M sample and 9.0%for the D *** Al_(2)O_(3)nanoparticles were found to be more effective at inhibiting asphaltene precipitation for the M oil sample due to its lower H/C ratio and higher nitrogen content.

关键词： CO_(2)injection Enhanced oil recovery Asphaltenedeposition Aluminum oxidenanoparticles Interfacial tension Bond number

Overexpression of GATA binding protein 4 and myocyte enhancer factor 2C induces differentiation of mesenchymal stem cells into cardiac-like cells

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World Journal of Stem Cells 2022年第9期14卷 700-713页

作者： Syeda Saima Razzaq Irfan Khan nadia Naeem Asmat Salim Sumreen Begum Kanwal Haneef University of Karachi Karachi 75270Pakistan Panjwani Center for Molecular Medicine and Drug Research International Center for Chemical and Biological SciencesUniversity of KarachiKarachi 75270Pakistan Dow Research Institute of Biotechnology&Biomedical Sciences(DRIBBS) Dow University of Health Sciences(DUHS)Ojha CampusKarachi 75200Pakistan Stem Cells Research Laboratory(SCRL) Sindh Institute of Urology and Transplantation(SIUT)Karachi 74200Pakistan

BACKGROUND Heart diseases are the primary cause of death all over the *** myocardial infarction,billions of cells die,resulting in a huge loss of cardiac *** cell-based therapies have appeared as a new area to support heart *** transcription factors GATA binding protein 4(GATA-4)and myocyte enhancer factor 2C(MEF2C)are considered prominent factors in the development of the cardiovascular *** To explore the potential of GATA-4 and MEF2C for the cardiac differentiation of human umbilical cord mesenchymal stem cells(hUC-MSCs).METHODS hUC-MSCs were characterized morphologically and immunologically by the presence of specific markers of MSCs via immunocytochemistry and flow cytometry,and by their potential to differentiate into osteocytes and ***-MSCs were transfected with GATA-4,MEF2C,and their combination to direct the *** differentiation was confirmed by semiquant itative real-time polymerase chain reaction and *** hUC-MSCs expressed specific cell surface markers CD105,CD90,CD44,and vimentin but lack the expression of *** transcription factors GATA-4 and MEF2C,and their combination induced differentiation in hUC-MSCs with significant expression of cardiac genes i.e.,GATA-4,MEF2C,NK2 homeobox 5(NKX2.5),MHC,and connexin-43,and cardiac proteins GATA-4,NKX2.5,cardiac troponin T,and *** Transfection with GATA-4,MEF2C,and their combination effectively induces cardiac differentiation in *** genetically modified MSCs could be a promising treatment option for heart diseases in the future.

关键词： Heart disease GATA binding protein 4 Myocyte enhancer factor 2C Transcription factors Differentiation Human umbilical cord-mesenchymal stem cells

Load Balancing Framework for Cross-Region Tasks in Cloud Computing

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Computers, Materials & Continua 2022年第1期70卷 1479-1490页

作者： Jaleel Nazir Muhammad Waseem Iqbal Tahir Alyas Muhammad Hamid Muhammad Saleem Saadia Malik nadia Tabassum Department of Software Engineering The Superior CollegeLahorePakistan Department of Computer Science Lahore Garrison UniversityLahore54000Pakistan Department of Statistics and Computer Science University of Veterinary and Animal SciencesLahore54000Pakistan Department of Industrial Engineering Faculty of EngineeringRabighKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Information Systems Faculty of Computing and Information Technology-RabighKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Computer Science Virtual University of PakistanLahore54000Pakistan

Load balancing is a technique for identifying overloaded and underloaded nodes and balancing the load between *** maximize various performance parameters in cloud computing,researchers suggested various load balancing *** store and access data and services provided by the different service providers through the network over different regions,cloud computing is one of the latest technology systems for both end-users and service *** volume of data is increasing due to the pandemic and a significant increase in usage of the internet has also been *** of the cloud are looking for services that are intelligent,and,can balance the traffic load by service providers,resulting in seamless and uninterrupted *** types of algorithms and techniques are available that can manage the load balancing in the cloud *** this paper,a newly proposed method for load balancing in cloud computing at the database level is *** database cloud services are frequently employed by companies of all sizes,for application development and business *** balancing for distributed applications can be used to maintain an efficient task scheduling process that also meets the user requirements and improves resource *** balancing is the process of distributing the load on various nodes to ensure that no single node is *** avoid the nodes from being overloaded,the load balancer divides an equal amount of computing time to all *** results of two different scenarios showed the cross-region traffic management and significant growth in revenue of restaurants by using load balancer decisions on application traffic gateways.

关键词： Load balancing performance database region virtualization