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Analysis of Load Balancing Algorithms using Cloud Analyst
Simar Preet Singh,Anju Sharma,Rajesh Kumar 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.9
This paper discusses the Cloudanalyst tool. Cloudanalyst tool is used to determine the better load balancing algorithm from various scheduling and load balancing techniques e.g. round robin algorithm. This learning will help valued understanding to design infrastructure services of the Cloud. Different areas like coordination between one data center and other data center, algorithms of load balancing as well as other value-added services are also kept in mind, that are possible like service broker policies, which synchronize efficient
Water diffusion in RTM textile composites for aircraft applications
Simar, Aline,Gigliotti, Marco,Grandidier, Jean-Claude,Ammar-Khodja, Isabelle Techno-Press 2017 Advances in aircraft and spacecraft science Vol.4 No.5
This paper presents a first step towards the understanding of water diffusion in RTM textile composite materials for aircraft applications and focuses on the development of experimental and numerical approaches to characterize the diffusion kinetics within the material. The method consists in making samples which are representative of the materials architecture and carrying out gravimetric tests on such samples. Analysis of results with the aid of a diffusion model reconstructing the architecture of the samples helps identifying the diffusion behaviour of the material.
Kulwinder Kaur,Simar Preet Singh 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.4
Development of an efficient routing protocol is one of the major key challenges in the design of Mobile ad hoc networks (MANETs). DSR reactive routing protocol is the most preferred routing protocol in MANETs due its capability to store already discovered routes in the node’s cache. In DSR routing protocol, in order to find a route to the destination, the source node broadcasts RREQ (Route Request) packets to its all neighbouring nodes and this broadcasting of RREQ packets results in more overhead. In this paper, we propose a multicasting technique to enhance the performance of DSR routing protocol and to reduce the broadcasting overhead. The performance analysis of DSR and enhanced DSR (EDSR) is carried out by varying number of nodes under different traffic conditions with different packet sizes and different network sizes. Also the performance analysis of DSR and enhanced DSR is carried out under different propagation models. The performance metrics used for the performance analysis of DSR and Enhanced DSR are Packet Delivery Ratio (PDR), Average End-to-End Delay, Throughput, Normalized Routing Load (NRL) and Energy Consumption.
Proposed Method to Enhance the Performance of AOMDV under DDOS Attack
Kulbir Kaur Waraich,Er.Simar Preet Singh 보안공학연구지원센터 2015 International Journal of Security and Its Applicat Vol.9 No.4
Performance of AOMDV routing protocol is more reliable and efficient than other routing protocols in ad hoc network. It provides multipath routing which means it follows multipath to send data packets from source to destination. It do not follow multipath simultaneously but when failure occurs in one path, then it immediately discovers new path and then delivers packets up to destination. When any DDOS attack occurs in a network, then it degrades the performance of AOMDV routing protocol. Under this attack AOMDV consumes more power and bandwidth which further degrades the performance and makes it unreliable. In this paper a new protocol is proposed named EAOMDV i.e. Enhanced Ad hoc on demand distance vector routing protocol. It is enhance version of AOMDV which overcomes the problems that occurs during attack in AOMDV. In this, DDOS flooding attack is introduced. Then performance of existing and proposed protocol is measured under various parameters i.e. throughput, packet delivery ratio, end to end delay and normalized routing load.
Structure and Thermodynamics of Hybrid Organic-Inorganic Diblock Copolymers with Salt
Sethi, Gurmukh K.,Jung, Ha Young,Loo, Whitney S.,Sawhney, Simar,Park, Moon Jeong,Balsara, Nitash P.,Villaluenga, Irune American Chemical Society 2019 Macromolecules Vol.52 No.9
<P>We examine the phase behavior of a hybrid organic-inorganic diblock copolymer/salt mixtures. The experimental system comprises poly(ethylene oxide)-<I>block</I>-polyhedral oligomeric silsesquioxane (PEO-POSS) mixed with a lithium bis(trifluoromethane sulfonyl) imide (LiTFSI) salt. Although the diblock copolymers without salt exhibit a classical order-to-disorder transition behavior with increasing temperature, the PEO-POSS/salt mixtures exhibit disorder-to-order transitions with increasing temperature. The analysis of a small-angle X-ray scattering data from the disordered state using Leibler’s random phase approximation enables the determination of an effective Flory-Huggins interaction parameter, χ<SUB>eff</SUB>, for the electrolytes. Unlike conventional systems, χ<SUB>eff</SUB> increases with increasing temperature. A simple expression is proposed to describe the dependence of χ<SUB>eff</SUB> on temperature and salt concentration. This enables the calculation of the segregation strength, χ<SUB>eff</SUB><I>N</I>, for both ordered and disordered electrolytes. The composition of the electrolytes is quantified by <I>f</I><SUB>EO/LiTFSI</SUB>, the volume fraction of the salt-containing poly(ethylene oxide)-rich phase. The morphology of electrolytes is presented on a χ<SUB>eff</SUB><I>N</I> versus <I>f</I><SUB>EO/LiTFSI</SUB> phase diagram. Over the values of <I>f</I><SUB>EO/LiTFSI</SUB> studied (0.61-0.91), only two ordered phases were found: lamellae and co-existing lamellae/hexagonally packed cylinders.</P> [FIG OMISSION]</BR>
Influence of vehicle for calcium hydroxide on postoperative pain: a scoping review
Kritika Aneja,Alpa Gupta,Dax Abraham,Vivek Aggarwal,Simar Sethi,Parul Chauhan,Arundeep Singh,Ansy Hanna Kurian,Sucheta Jala 대한치과마취과학회 2022 Journal of Dental Anesthesia and Pain Medicine Vol.22 No.2
This review aims to identify the influence of the vehicle and its concentration used to carry calcium hydroxide (Ca(OH)2) medicament on postoperative pain. The protocol for this review was registered in the open science framework (Registration DOI-10.17605/OSF.IO/ 4Y8A9) and followed the guidelines provided by the Joanna Briggs Institute. Reporting was based on the preferred reporting items for systematic reviews and meta-analyses extension for scoping reviews (PRISMA-ScR). Literature screening and searches were performed on PubMed/Medline, Scopus, and EBSCO hosts. Furthermore, additional records were manually analyzed using various sources. The selected studies were published in English and included the use of any vehicle adjunct to Ca(OH)2 to evaluate postoperative pain using qualitative and quantitative pain assessment tools. Descriptive analysis was conducted to review the study design, vehicle elements, and their effects. A preliminary search yielded 7584 studies, of which 10 were included. According to the data collected, the most commonly used Ca(OH)2 vehicles were chlorhexidine (CHX), normal saline, and camphorated paramonochlorophenol/glycerine (CPMC/glycerine), which had a significant effect on postoperative pain. Among the included studies, six evaluated the effect of CHX as a vehicle. It was observed that a higher concentration of the vehicle (2%) showed a favorable response in reducing postoperative pain. A majority of studies have validated a positive consequence of using a vehicle on postoperative pain. Although higher vehicle concentrations were found to alter postoperative pain levels, the data were insufficient to draw a firm conclusion. Our scoping review indicates that further clinical studies should focus on using different vehicles at various concentrations and application times to check for feasible and safe exposure in addition to providing pain relief.