• Title/Summary/Keyword: Virtual desktop infrastructure

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Data Firewall: A TPM-based Security Framework for Protecting Data in Thick Client Mobile Environment

  • Park, Woo-Ram;Park, Chan-Ik
    • Journal of Computing Science and Engineering
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    • v.5 no.4
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    • pp.331-337
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    • 2011
  • Recently, Virtual Desktop Infrastructure (VDI) has been widely adopted to ensure secure protection of enterprise data and provide users with a centrally managed execution environment. However, user experiences may be restricted due to the limited functionalities of thin clients in VDI. If thick client devices like laptops are used, then data leakage may be possible due to malicious software installed in thick client mobile devices. In this paper, we present Data Firewall, a security framework to manage and protect security-sensitive data in thick client mobile devices. Data Firewall consists of three components: Virtual Machine (VM) image management, client VM integrity attestation, and key management for Protected Storage. There are two types of execution VMs managed by Data Firewall: Normal VM and Secure VM. In Normal VM, a user can execute any applications installed in the laptop in the same manner as before. A user can access security-sensitive data only in the Secure VM, for which the integrity should be checked prior to access being granted. All the security-sensitive data are stored in the space called Protected Storage for which the access keys are managed by Data Firewall. Key management and exchange between client and server are handled via Trusted Platform Module (TPM) in the framework. We have analyzed the security characteristics and built a prototype to show the performance overhead of the proposed framework.

클라우드 데스크탑 서비스를 위한 가상 데스크탑 인프라스트럭처 기술의 개요 및 동향

  • O, Myeong-Hun;Kim, Dae-Won;Kim, Seong-Un
    • Information and Communications Magazine
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    • v.28 no.10
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    • pp.30-37
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    • 2011
  • 본고에서는 클라우드 데스크탑 서비스의 개요와 이 서비스를 구현하기 위해 필요한 가상 데스크탑 인프라스트럭쳐(VDI : Virtual Desktop Infrastructure) 기술의 동향을 살펴보고, 유사점과 차이점을 분석한다.

A Study of the Establishment of Small and Medium Sized Architectural Design Firm BIM Environment based on Virtual Desktop Infrastructure (가상 데스크톱 인프라(VDI) 기술을 활용한 중소규모 설계사의 BIM 사용자 별 데스크탑 자원 할당 전략에 관한 연구)

  • Lee, Kyuhyup;Shin, Joonghwan;Kwon, Soonwook;Park, Jaewoo
    • Korean Journal of Construction Engineering and Management
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    • v.17 no.5
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    • pp.78-88
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    • 2016
  • Recently BIM technology has been expanded for using in construction project. However its spread has been delayed than the initial expectations, due to the high-cost of BIM infrastructure development, the lack of regulations, the lack of process and so forth. In design phase, especially, collaboration based on BIM system has being a key factor for successful next generation building project. Through the analysis of current research trend about IT technologies, virtualization and BIM service, data exchange such as drawing, 3D model, object data, properties using cloud computing and virtual server system is defined as a most successful solution. In various industrial fields, cloud computing technology is utilized as a promising solution which can reduce time and cost of hardware infrastructure. Among the cloud computing technology, VDI is receiving a great deal of attention from it market as an essential part cloud computing. VDI enables to host multiple individual virtual machines by using hypervisor. It has an advantage to easy main device management. Therefore, this study implements a step-by-step user's DaaS by analyzing the desktop resource data of the workers from Pre-design phase to Schematic design, Design develop and Construction design phase. It also develops BIM environment based on test of BIM modeler and designers in architectural design firm. The goal of the study is to enable the cloud computing BIM server. It provides cost saving, high-performance quality of working environment and cooperation's convenience and high security when doing BIM work in small and medium sized architectural design firm.

VDI Performance Optimization with Hybrid Parallel Processing in Thick Client System under Heterogeneous Multi-Core Environment (Heterogeneous 멀티 코어 환경의 Thick Client에서 VDI 성능 최적화를 위한 혼합 병렬 처리 기법 연구)

  • Kim, Myeong-Seob;Huh, Eui-Nam
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.38B no.3
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    • pp.163-171
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    • 2013
  • Recently, the requirement of processing High Definition (HD) video or 3D application on low, mobile devices has been expanded and content data has been increased as well. It is becoming a major issue in Cloud computing where a Virtual Desktop Infrastructure (VDI) Service needs efficient data processing ability to provide Quality of Experience (QoE) in Cloud computing. In this paper, we propose three kind of Thick-Thin VDI Service which can share and delegate VDI service based on Thick Client using CPU and GPU. Furthermore, we propose and discuss the VDI Service Optimization Method in mixed CPU and GPU Heterogeneous Environment using CPU Parallel Processing OpenMP and GPU Parallel Processing CUDA.

VDI Real-Time Monitoring System for KVM-Based Virtual Machine Resource Usage Analysis (KVM 기반의 가상머신 자원 사용량 분석을 위한 VDI 실시간 모니터링 시스템 설계 및 구현)

  • Kim, Taehoon;Kim, Hyeunjee;No, Jaechun
    • Journal of the Institute of Electronics and Information Engineers
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    • v.52 no.1
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    • pp.69-78
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    • 2015
  • Recently, due to the development of next-generation computing devices and high-performance network, VDI (Virtual Desktop Infrastructure) is receiving a great deal of attention from IT market as an essential part of cloud computing. VDI enables to host multiple, individual virtual machines that are provisioned from servers located at the data center by using hypervisor. One of the critical issues related to VDI is to reduce the performance difference between virtual machines and physical ones. In this paper, we present a real-time VM monitoring system, called SETMOV, that is able to collect the real-time resource usage information. We also present the performance results using iozone to verify SETMOV.

Enabling Performance Intelligence for Application Adaptation in the Future Internet

  • Calyam, Prasad;Sridharan, Munkundan;Xu, Yingxiao;Zhu, Kunpeng;Berryman, Alex;Patali, Rohit;Venkataraman, Aishwarya
    • Journal of Communications and Networks
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    • v.13 no.6
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    • pp.591-601
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    • 2011
  • Today's Internet which provides communication channels with best-effort end-to-end performance is rapidly evolving into an autonomic global computing platform. Achieving autonomicity in the Future Internet will require a performance architecture that (a) allows users to request and own 'slices' of geographically-distributed host and network resources, (b) measures and monitors end-to-end host and network status, (c) enables analysis of the measurements within expert systems, and (d) provides performance intelligence in a timely manner for application adaptations to improve performance and scalability. We describe the requirements and design of one such "Future Internet performance architecture" (FIPA), and present our reference implementation of FIPA called 'OnTimeMeasure.' OnTimeMeasure comprises of several measurement-related services that can interact with each other and with existing measurement frameworks to enable performance intelligence. We also explain our OnTimeMeasure deployment in the global environment for network innovations (GENI) infrastructure collaborative research initiative to build a sliceable Future Internet. Further, we present an applicationad-aptation case study in GENI that uses OnTimeMeasure-enabled performance intelligence in the context of dynamic resource allocation within thin-client based virtual desktop clouds. We show how a virtual desktop cloud provider in the Future Internet can use the performance intelligence to increase cloud scalability, while simultaneously delivering satisfactory user quality-of-experience.

CURRENT STATUS OF SUPERCOMPUTING TRENDS (국내외 슈퍼컴퓨팅 동향)

  • Cho, K.W.
    • 한국전산유체공학회:학술대회논문집
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    • 2006.10a
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    • pp.210-210
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    • 2006
  • IT technologies(Chips, Grid and e-Science) are rapidly changed from 1965. In 1965, Intel co-founder Gordon Mooresaq the future. His prediction popularly known as Moore's law, state that the computer chips double in power every 18 months Grid computing offers a model for solving massive computational problems by making use of the unused resources of large numbers of disparate, often desktop, computers treated as a virtual cluster embedded in a distributed telecommunications infrastructure. In this paper, I will discuss current status of supercomputing technology and haw we can use these on CFD. Functionally, one can classify Grids into several types:

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Performance Enhancement of Distributed File System as Virtual Desktop Storage Using Client Side SSD Cache (가상 데스크톱 환경에서의 클라이언트 SSD 캐시를 이용한 분산 파일시스템의 성능 향상)

  • Kim, Cheiyol;Kim, Youngchul;Kim, Youngchang;Lee, Sangmin;Kim, Youngkyun;Seo, Daewha
    • KIPS Transactions on Computer and Communication Systems
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    • v.3 no.12
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    • pp.433-442
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    • 2014
  • In this paper, we introduce the client side cache of distributed file system for enhancing read performance by eliminating the network latency and decreasing the back-end storage burden. This performance enhancement can expand the fields of distributed file system to not only cloud storage service but also high performance storage service. This paper shows that the distributed file system with client side SSD cache can satisfy the requirements of VDI(Virtual Desktop Infrastructure) storage. The experimental results show that full-clone is more than 2 times faster and boot time is more than 3 times faster than NFS.

For Android-based VDI solutions, USB Redirection Technique (안드로이드 기반 VDI 솔루션에서의 USB 리다이렉션 적용 기법)

  • Lee, Jun-ha;Bae, Byoungmin
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2014.10a
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    • pp.606-608
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    • 2014
  • The Study on the technique of applying the method USB redirection on Linux-based SPICE-GTK VDI solution for in (Virtual Desktop Infrastructure) VDI solution for Android-based USB redirection in this paper. VDI solutions are developed according to the development of many of the latest Android-based devices, but a VDI solution that supports USB redirection is limited. Also does not support USB redirection of Android to use the SPICE VDI solution. Therefore, the text presents the techniques applied to the Android-based VDI solutions applied to analyze the way USB redirection of SPICE-GTK VDI solution based on Linux. G PRO smartphone devices to install and use Linux-based VDI server to a test of the method applied in this paper, and the USB redirection applied VDI clients using a USB storage device, USB redirection is done playing files results you can check

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A study on a security model for the establishment of a non-face-to-face smart work working environment in a physical network separation environment of public institutions (공공기관 물리적 망분리 환경에서의 비대면 스마트워크 근무 환경구축을 위한 보안 모델 연구)

  • Park, Sang-Kil;Kim, Gi-Bong;Son, Gyeong-Ja;Lee, Won-Suk;Park, Jae-Pyo
    • Journal of the Korea Convergence Society
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    • v.11 no.10
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    • pp.37-44
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    • 2020
  • Due to the recent COVID 19 pandemic, public institutions are increasingly working from home. Working in public institutions is rapidly changing into a smart work environment where time and space constraints disappear. However, many public institutions currently lack a security model for an efficient smart work environment due to the physical network separation system that separates the Internet network and the business network. Therefore, in this paper, we describe the current limitations for implementing smart work in a physical network separation environment of public institutions, and propose a security model necessary for a work environment to supplement them. As a related study, explain SSL VPN and explain smart work business model through security model research of SDP (Software Defined Perimeter), RDP (Remote Desktop Protocol), and VDI (Virtual Desktop Infrastructure) to overcome the security limitations of SSL VPN. As a result, we intend to propose a security model for a smart work environment suitable for public institutions while complying with the physical network separation security guide.