Data Centers
Along with the rise of cloud computing, data centers are being reinvented via virtualization, servers and high-performance computing. Find out more in with the latest white papers and case studies.
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How cloud computing poses challenges for networks
Today's cloud-based infrastructures and complex datacentres need networks that are capable of carrying multiple types of data, each with different types of requirements. How does one go about evaluating how ready their network is for cloud computing and then going about correcting what is needed? Read this Brocade white paper...
Provided By Brocade
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Grid Computing Scenario: A Review
In this paper, the authors discusses some of the basic concepts about the term "grid", "grid computing" and some other important and useful terms related with it. In this paper, the working of grids which means which component is used by the grid for its efficient operation, the analogy of...
Provided By International Journal of Computer Applications
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A Theoretical Study of Grid Computing and Cloud Computing
In general, talking about grid computing, everyone will think of the rage of the search for extraterrestrial year project, that is in the machine by installing a screen saver software that can take advantage of all leisure time when everyone's PC computing power to participate in the search alien calculations....
Provided By International Journal of Computer Applications
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Assessing Load Sharing with in Optimistic Simulation Platforms
The advent of multi-core machines has lead to the need for revising the architecture of modern simulation platforms. Specifically, recent proposals attempted to explore the viability of load-sharing for optimistic simulators run on top of these types of machines. In this paper, the authors provide an extensive experimental study for...
Provided By University of Rochester
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'Cool' Load Balancing for High Performance Computing Data Centers
As the people move to exascale machines, both peak power demand and total energy consumption have become prominent challenges. A significant portion of that power and energy consumption is devoted to cooling, which the authors strive to minimize in this work. They propose a scheme based on a combination of...
Provided By Institute of Electrical & Electronic Engineers
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How the Port Density of a Data Center LAN Switch Impacts Scalability and Total Cost of Ownership
As data centers are forced to accommodate rapidly growing volumes of information, their capacities to process, store, and transfer data are having difficulty keeping pace. A Gartner survey in November 2010 found that 47% of representatives from 1,004 large enterprises from eight countries ranked data growth as one of their...
Provided By Extreme Networks
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A New End-to-End Flow-Control Mechanism for High Performance Computing Clusters
High Performance Computing usually leverages messaging libraries such as MPI or GASNet in order to exchange data among processes in large-scale clusters. In this paper the authors present a new flow control mechanism that is able to adapt the buffering resources used by a process according to the parallel application...
Provided By Heidelberg University
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Augmenting Hierarchical Load Balancing with Intelligence in Grid Environment
Scheduling independent tasks to homogeneous resources is an ineluctable issue to be dealt with. Load balancing of resources is a crucial matter of concern. This paper comes out with an enhancement of hierarchical load balancing algorithm. In this paper, to evaluate cluster imbalance, probability of deviation of average system load...
Provided By Science and Development Network (SciDev.Net)
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Scheduling Jobs in Face of Status Update Timing of Resources in Computational Grids
Users and resources frequently join and leave computational grid, hence the state of the grid changes dynamically. So, an effective job scheduling strategy is needed that consider the dynamically changed conditions in the grid. Most of the existing scheduling strategies are mainly based on selecting resources that have less resource...
Provided By Science and Development Network (SciDev.Net)
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Ant-Q Agent System Based Path Optimization Service for a Multi-Objective Mobile Robot and Real World
A multi-objective mobile robot path planning algorithm based on improved Ant-Q agent system algorithm is proposed. The most Driver has Navigation system. It is convenient if he use the Navigation system. But, Navigation systems are not able to determine optimized driving routes considering that each driver has specific driving habits...
Provided By Science and Development Network (SciDev.Net)
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A New Approach to Grid Scheduling Using Random Weighted Genetic Algorithm with Fault Tolerance Strategy
Grid provides the user a huge amount of computational resources in a distributed manner, using which the authors can perform their tasks over these grid environments. These resources are geographically distributed around the globe and are dynamically available. Hence, to schedule them for actual use they need to consider various...
Provided By West Bend Broadcasting, Inc.
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Vehicular Testbeds - Model Validation Before Large Scale Deployment
Vehicular communications are becoming a reality due to the investments by stakeholders like car manufacturers and public transport authorities. The building blocks of the "Vehicle grid" (radios, Access Points, spectrum, standards, etc.) are coming into place enabling a broad gamut of applications that range from navigation safety, intelligent transport, entertainment...
Provided By Academy Publisher
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Carbon-Aware Energy Capacity Planning for Datacenters
Datacenters are facing increasing pressure to cap their carbon footprints at low cost. Recent work has shown the significant environmental benefits of using renewable energy for datacenters by supply-following techniques (workload scheduling, geographical load balancing, etc.) However, all such prior work has only considered on-site renewable generation when numerous other...
Provided By The Pennsylvania State University
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Intelligent Methods for Resource Allocation in Grid Computing
In the era of grid computing, resource allocation plays a vital role for assigning the available resources. This paper describes how to reduce the search time for the best available resources and assure instant provisioning of the lately added resources to the grid thereby using clustering and artificial neural networks....
Provided By Lovely Professional University
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Introduction and Evaluation of Teleprotection Systems in Micro-Grids
A micro-grid is an aggregation of electrical and heat loads and small capacity micro-sources operating as a single controllable unit at the low or medium voltage level. Nowadays, digital telecommunications have been used in many industrial applications which micro-grid protection has also been benefited. Occurred challenges in distribution network caused...
Provided By International Journal of Engineering and Advanced Technology (IJEAT)
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Energy Efficiency in Data Centers: How to Reduce Power Consumption in Data Centers by Optimum UPS Loading
Computation and data center has a huge value to modern enterprise. This has resulted in the installation of millions of data centers in business around the globe. Historically, the cost to power and cool these facilities was small relative to the investment in servers, storage units and other equipments. Today,...
Provided By International Journal of Engineering and Advanced Technology (IJEAT)
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Dynamic Replication Based on Availability and Popularity in the Presence of Failures
The data grid provides geographically distributed resources for large-scale applications. It generates a large set of data. The replication of this data in several sites of the grid is an effective solution for achieving good performance. In this paper, the authors propose an approach of dynamic replication in a hierarchical...
Provided By KIPS
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Revised Slide Window First Algorithm for Advanced Reservation in Optical Grid
For utilizing distributed resources in optical grid environment advanced reservations play a very crucial role. For applications like the co-allocation of distributed resources and deadline driven applications advance reservations are essential. Also for enhancing capabilities of resource brokers advance reservations play a major role. The objective is to determine a...
Provided By Academy & Industry Research Collaboration Center
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Crawler Architecture Using Grid Computing
Crawler is one of the main components in the search engines which use URLs to fetch web pages to build a repository of web pages starting with entering URL. Each web page is parsed to extract the URLs included in it and store the extracted URLs in the URLs Queue...
Provided By Academy & Industry Research Collaboration Center
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Energy Efficiency in Data Centers and IT Industry Obtaining Efficient Performance by Optimum Loading and Harmonics Mitigation
As the trend shifts from paper-based to digital information management, IT & Datacenter have become common and essential to the functioning of business systems. Datacenter is a facility that has various equipment such as servers, data storage devices, network devices etc. Collectively, this equipment processes, stores, and transmits digital information...
Provided By International Journal of Emerging Technology and Advanced Engineering (IJETAE)
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A Clustering Approach for Task Assignment Problem
The problem of task assignment in heterogeneous computing system has been studied for many years with many versions. The authors consider the problem in which tasks are to be assigned to homogeneous and heterogeneous machines to minimize the sum of the total computation and communication costs. In this paper, they...
Provided By Jawaharlal Nehru University
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Crypto System Based Authentication Using CSTA in Grid
Grid computing, as a distributed computing model, stands for the new kind of systems that pools heterogeneous computational resources, such as computers, storage space, sensors, application software, and experiment data. When a user wants to request some computing and data resources, the grid can seamlessly, transparently and dynamically supply them....
Provided By University College of Dublin
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Performance Evaluation Method Proposal for High Performance ICT Systems and Networks
In this paper, the authors present a predicted functional architecture of an emerging application of High Performance Computing and Communication (HPCC) application: the integrated manufacturing and management system. The computer network was defined for a case study of big manufacturer of household appliances. To evaluate and/or predict performance of this...
Provided By IOSR Journal of Engineering
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Comparative Study of High Performance Braun's Multiplier Using FPGAs
Multiplication is one of the essential operations in Digital Signal Processing (DSP) applications like Fast Fourier Transform (FFT), Digital filters etc. With the advancements in technology, research is still going on to design a multiplier that consumes less power or has high speed or occupies less area or a combination...
Provided By IOSR Journal of Engineering
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Two Parallel Strategies for Real-Time Spatial Video Denoising for Multi-Core Processors
Video denoising is usually a time consuming process especially for large video files. With the advancement of the processor technology, it is possible to perform video denoising in real-time on multi-core processors. In this paper, the authors study parallel techniques for denoising real-time video on multi-core processor which work on...
Provided By International Journal of Computer Applications
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Transparent and Efficient Shared-State Management for Optimistic Simulations on Multi-Core Machines
Traditionally, Logical Processes (LPs) forming a simulation model store their execution information into disjoint simulations states, forcing events exchange to communicate data between each other. In this paper, the authors propose the design and implementation of an extension to the traditional Time Warp (optimistic) synchronization protocol for parallel/distributed simulation, targeted...
Provided By University of Rochester
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Coping With Fluctuations in Resource Availability in Grid Networks
Due to the fact that grid networks are nonproprietary systems, resource allocation mechanisms must cope with fluctuations in resource availability to guarantee the QoS requirements of the applications. Mechanisms are classified either as reactive mechanisms, which react to the fluctuations in run time, or as proactive mechanisms, which try to...
Provided By University of Camerino
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Avoiding Overages by Deferred Aggregate Demand for PEV Charging on the Smart Grid
The authors model the aggregate overnight demand for electricity by a large community of (possibly hybrid) Plug-in Electric Vehicles (PEVs) each of whose power demand follows a prescribed profile and is interruptible. Rather than a spot-price system for household consumers (which would necessarily need to be operated by automated means...
Provided By Uppror Media Group
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A Cheat-Proof Game Theoretic Demand Response Scheme for Smart Grids
While demand response has achieved promising results on making the power grid more efficient and reliable, the additional dynamics and flexibility brought by demand response also increase the uncertainty and complexity of the centralized load forecast. In this paper, the authors propose a game theoretic demand response scheme that can...
Provided By University of Mary Washington
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Modeling the Neighborhood Area Networks of the Smart Grid
ICT and M2M communications will definitely play a key role on making the Smart Grid dream comes true. However, there are many available communications technologies that can be applied to this area, so an effective method to evaluate and compare them is required. Simulations represent a powerful, flexible, and cost-effective...
Provided By University of Cincinnati
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An Efficient Multiple Access Scheme for Voltage Control in Smart Grid Using WiMAX
An efficient WiMAX-based multiple access scheme for the state updating in voltage control is introduced. The scheme, called sample-contention scheme, addresses the problem of optimally bringing deviated voltage to a predefined reference level with minimum communication resources by taking advantage of the sparseness of voltage disturbance. An n-sample interval is...
Provided By University of Tehran
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An Algorithm for Joint Guidance and Power Control for Electric Vehicles in the Smart Grid
A massive amount of energy consumption currently stems from the transportation sector. Therefore, improvements in power usage by commuting vehicles are being studied and becoming an increasingly popular research topic. In particular, there is a growing need to model the envisioned smart infrastructure, including charging stations, some of which might...
Provided By North Carolina State University
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A Review of High Performance Computing Foundations for Scientists
The increase of existing computational capabilities has made simulation emerge as a third discipline of Science, lying midway between experimental and purely theoretical branches. Simulation enables the evaluation of quantities which otherwise would not be accessible, helps to improve experiments and provides new insights on systems which are analyzed. Knowing...
Provided By Universidad de Vigo
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High Performance Spatial Query Processing for Large Scale Scientific Data
Analyzing and querying large volumes of spatially derived data from scientific experiments has posed major challenges in the past decade. For example, the systematic analysis of imaged pathology specimens result in rich spatially derived information with "GIS" characteristics at cellular and sub-cellular scales, with nearly a million derived markups and...
Provided By Association for Computing Machinery
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Performance Modeling of Hybrid MPI/OpenMP Scientific Applications on Large-Scale Multicore Supercomputers
In this paper, the authors present a performance modeling framework based on memory bandwidth contention time and a parameterized communication model to predict the performance of OpenMP, MPI and hybrid applications with weak scaling on three large-scale multicore supercomputers: IBM POWER4, POWER5+ and BlueGene/P, and analyze the performance of these...
Provided By Texas A&M International University
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Remedy: Network-Aware Steady State VM Management for Data Centers
Steady state VM-management in data centers should be network-aware so that VM migrations do not degrade network performance of other flows in the network, and if required, a VM migration can be intelligently orchestrated to decongest a network hotspot. Recent research in network-aware management of VMs has focused mainly on...
Provided By International Federation for Information Processing
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A Service for Virtual Cluster Performance Evaluation
Virtualization is not a new technology, but recently a plurality of factors has boosted its adoption for server applications in production systems. Basically, a Virtual Machine (VM) environment provides by means of a hypervisor the illusion of multiple independent replicas of the physical machine, each with its own address space,...
Provided By University of San Francisco
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Performance Evaluation of Grid-Enabled Code: A Case Study
The goal of computational grids is to aggregate numerous heterogeneous resources in order to provide sufficient computational power to solve large-scale problems. In a grid environment, users can use unlimited resources as a single powerful entity. However, the heterogeneity of the resources in the grids makes it difficult to predict...
Provided By University of San Francisco
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Optimal Parameter Identification in Ant Colony Optimization for Load Balancing in Grid Computing
Ant Colony Optimization (ACO) is a Swarm Intelligence technique which inspired from the foraging behavior of real ant colonies. The ants deposit pheromone on the ground in order to mark the route for identification of their routes from the nest to food that should be followed by other members of...
Provided By EuroJournals
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Financing Firm Leverages UCS for Improved Scalability and Performance
Credit ACceptance Corporation (CACC) began working with dealerships to help buyers finance the cars they wanted. Their challenges are to scale computing, storage, and networking infrastructure for aggressive, long-term growth, need to improve systems reliability and manageability and enhance user experiences through increased performance. They chose Cisco to overcome these...
Provided By Cisco
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Rescuing Banks From The Effects Of The Financial Crisis
This paper examines government policies aimed at rescuing banks from the effects of the great financial crisis of 2007-2009. To delimit the scope of the analysis, the authors concentrate on the fiscal side of interventions and ignore, by design, the monetary policy reaction to the crisis. The policy response to...
Provided By Indiana University
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Performance Analysis of Cooley-Tukey FFT Algorithms for a Many-Core Architecture
Given that many-core architectures are becoming the mainstream framework for high performance computing, it is important to develop a performance model for many-core architectures to assist parallel algorithms design and applications performance tuning. In this paper, the authors propose a performance modeling technique for parallel Cooley-Tukey FFT algorithms, for an...
Provided By University of Delaware
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Texas Wesleyan University Satisfies Hierarchy of IT Needs With Solution From Mainline
TeXas Wesleyan University (TXW) is a private coeducational university, they need to address Net Gen IT needs, modernize, upgrade and improve IT Systems and Services and address safety and security needs. They called on Mainline Information Systems to overcome these challenges. Mainline configured an infrastructure that consisted of server and...
Provided By Mainline Information Systems
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LEGUP: Using Heterogeneity to Reduce the Cost of Data Center Network Upgrades
Fundamental limitations of traditional data center network architectures have led to the development of architectures that provide enormous bisection bandwidth for up to hundreds of thousands of servers. Because these architectures rely on homogeneous switches, implementing one in a legacy data center usually requires replacing most existing switches. Such forklift...
Provided By University of Washington School of Public Health & Community Medicine
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Energy and Environmental Aspects of Data Centers
Data centers have become an essential operational component of nearly every sector of the economy, and as a result growing consumers of energy and emitters of Green-House Gases (GHGs). Developing strategies for optimizing power usage and reducing the associated life cycle GHG emissions are critical priorities for meeting climate policy...
Provided By Drexel University
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Enabling Interactive Jobs in Virtualized Data Centers
Existing batch schedulers are incapable of adequately addressing the need for immediate access to resources for interactive jobs. In this paper the authors describe the virtual machine-centric scheduler, UBIS, that facilitates both high priority interactive jobs and traditional batch jobs. UBIS is based on preemptable job scheduling which enables rapid...
Provided By University at Buffalo
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Load Balancing Mechanisms in Data Center Networks
The authors consider network traffic load balancing mechanisms in data center networks with scale-out topologies such as folded Clos or fat-tree networks. This paper investigates the flow-level Valiant Load Balancing (VLB) technique that uses randomization to deal with highly volatile data center network traffics. Through extensive simulation experiments, the authors...
Provided By Florida State University
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Modeling the Neighborhood Area Networks of the Smart Grid
ICT and M2M communications will definitely play a key role on making the Smart Grid dream comes true. However, there are many available communications technologies that can be applied to this area, so an effective method to evaluate and compare them is required. Simulations represent a powerful, flexible, and cost-effective...
Provided By University of Cincinnati
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Is Online Server Backup Appropriate for Your Business?
Read this whitepaper to examine the setbacks of traditional backup, gain a better understanding of online backup, and discover why Iron Mountain's LiveVault backup and restore solution provides ideal server backup for small and medium-sized businesses, as well as enterprises with remote locations.
Provided By Iron Mountain
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Online PC Backup: Key Criteria in Selecting an Enterprise Solution
Laptops and desktops now need to be centrally protected and secured. This IDC paper outlines what you need to consider in evaluating enterprise-level online PC backup solutions, highlighting the fact that Iron Mountain has been a thought leader in the online backup market serving corporations with effective and secure PC...
Provided By Iron Mountain
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Simple, Affordable Disaster Recovery Automation in the Virtualized IT Datacenter
Quick recovery of operations after a site failure requires major planning and testing, dependent on an infrastructure and recovery plan that can be simply and affordably managed. Virtualized iSCSI SANs are increasingly being chosen for virtual data center deployments because they help simplify storage management and help overcome performance, scalability...
Provided By Dell EqualLogic
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Technical Report:? Deploying Microsoft Hyper-V with PS Series Arrays
Server virtualization is a common practice is today's data centers for server consolidation, power reduction, rapid provisioning, high availability, and data protection. All of these reasons lead to lower data center costs and TCO. Virtual servers together with intelligent virtual storage increase the chances for successful deployments of virtual data...
Provided By Dell EqualLogic
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Solutions Brief: Storage Consolidation and Data Protection for the Remote Office/Branch Office (ROBO)
Driving Enterprise-level efficiencies and capabilities beyond the corporate data center.
Provided By Dell EqualLogic
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Strategies for Reducing Data Center Power Consumption
With concerns about power consumption and energy costs growing, efforts are underway to make data centers more "green" (energy efficient) and sustainable (reducing the use of non-renewable resources). In most data centers, servers draw more energy than storage devices; still, it has been estimated that all of the disk drives...
Provided By Dell EqualLogic
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The Survey Within The Survey; What People Who Keep The Books Think Of Fair Value Accounting
Before anyone buys or sells a stock, one has to determine what the underlying assets are worth. How ones current assessment of the asset values compares to how much the assets ultimately turn out to be worth determines whether one have made a good or bad trade. How to set...
Provided By University of North Carolina at Chapel Hill (Kenan-Flagler)
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Matching Server Virtualization With Advanced Storage Virtualization: LeftHand Networks Accelerates VMware Server Virtualization With SAN/iQ Software-Based Storage Systems
In order to meet the challenges of running today's datacenters, an increasing number of IT organizations are turning to VMware Infrastructure 3 software. The ability to virtualize the datacenter and deploy applications across a shared pool of server resources allows organizations to break free of the limitations they face with...
Provided By LeftHand Networks
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Matching Server Virtualization With Advanced Storage Virtualization
In order to meet the challenges of running today's datacenters, an increasing number of IT organizations are turning to VMware Infrastructure 3 software. The ability to virtualize the datacenter and deploy applications across a shared pool of server resources allows organizations to break free of the limitations they face with...
Provided By LeftHand Networks
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Performance Modeling of Hybrid MPI/OpenMP Scientific Applications on Large-Scale Multicore Supercomputers
In this paper, the authors present a performance modeling framework based on memory bandwidth contention time and a parameterized communication model to predict the performance of OpenMP, MPI and hybrid applications with weak scaling on three large-scale multicore supercomputers: IBM POWER4, POWER5+ and BlueGene/P, and analyze the performance of these...
Provided By Texas A&M International University
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Performance Characteristics of Hybrid MPI/OpenMP Scientific Applications on a Large-Scale Multithreaded BlueGene/Q Supercomputer
In this paper, the authors investigate the performance characteristics of five hybrid MPI/OpenMP scientific applications (two NAS Parallel benchmarks Multi-Zone SP-MZ and BT-MZ, an earthquake simulation PEQdyna, an aerospace application PMLB and a 3D particle-in-cell application GTC) on a large-scale multithreaded BlueGene/Q supercomputer at Argonne National laboratory, and quantify the...
Provided By Texas A&M International University
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Managing Macs in a Windows Environment
Computer networks are more diverse than ever. A homogeneous environment of only windows or Mac devices is a rarity. Multi-platform computing environments are the norm and require a complex it landscape comprised of multiple applications based on platform, availability, and user preference.
Cross-platform environments are the new standard, supported...Provided By Absolute Software
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Estimating Optimal Cost of Allocating Virtualized Resources With Dynamic Demand
Data centers are designed to provision sufficient virtualized resources at all times to meet the demands of users. Now-a-days the users who have "Elastic demand" take advantage of the "Pay-as-you-go" model and only request needed demands which vary over time. Considering the dynamics of the demand on virtualized resources is...
Provided By University of Missouri
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High-Level Data Partitioning for Parallel Computing on Heterogeneous Hierarchical HPC Platforms
The current state and foreseeable future of High Performance scientific Computing (HPC) can be described in three words: heterogeneous, parallel and distributed. These three simple words have a great impact on the architecture and design of HPC platforms and the creation and execution of efficient algorithms and programs designed to...
Provided By University College Cork
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Lessons Learned When Building a Greenfield High Performance Computing Ecosystem
Faced with a fragmented research computing environment and growing needs for high performance computing resources, Michigan State University established the High Performance Computing Center in 2005 to serve as a central high performance computing resource for MSU's research community. Like greenfield industrial development, the center was unconstrained by existing infrastructure....
Provided By Michigan State University
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On Graphs, GPUs, and Blind Dating a Workload to Processor Matchmaking Quest
Graph processing has gained renewed attention. The increasing large scale and wealth of connected data, such as those accrued by social network applications, demand the design of new techniques and platforms to efficiently derive actionable information from large scale graphs. Hybrid systems that host processing units optimized for both fast...
Provided By University of Bristol
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CD-Adapco STAR-CCM+ on HP Cluster Platform With QLogic TrueScale:Performance Testing-High-Performance Interconnect for CD-Adapco Computer-Aided Engineering Solutions
Companies that make products for the aerospace, automotive, high-tech electronics, and consumer markets can realize significant benefits from today's High-Performance Computing (HPC) technologies, especially given the latest advances in multicore/multiprocessor performance. These cluster computing resources can be interconnected with a high-performance network to eliminate bottlenecks and improve the efficiency of...
Provided By Hewlett-Packard (HP)
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HP BladeSystem Matrix and Microsoft Exchange Server 2010
Companies are facing an increasingly common dilemma. How to manage and control the rising costs of IT while still providing the applications and services necessary to support the requirements of the business? This has led to an increased interest in both more traditional hosted service models as well as an...
Provided By Hewlett-Packard (HP)
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Backup Consolidation Solutions
SA Eagle is the fourth-largest short-term insurer in South Africa. It is a member of the Zurich Financial Services Group. Like all insurance companies, SA Eagle too banks on its data and customer records. It is important for the company to be able to back up and restore all its...
Provided By Hewlett-Packard (HP)
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SamsungSDS Automates Data Center Operations
With the objective of achieving high-quality, yet low-cost operations, SamsungSDS began the automation of processes in their data center operations. Their major goals included eliminating operational inefficiencies, enhancing operational productivity and minimizing human errors to achieve a fault tolerant service. The deployment of HP Server automation software helped them realize...
Provided By Hewlett-Packard (HP)
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HP FlexDC - A New Approach to Industrialized IT
Data center strategy was a top-of-mind predicament two years ago, and it still prevails, post economic downturn. It has intensified with majority of the enterprises needing to take action with respect to their data center facilities. Else, they will remain squeezed in too little space, with insufficient power, and in...
Provided By Hewlett-Packard (HP)
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SNICh: Efficient Last Hop Networking in the Data Center
In this paper, the author present the concept of a sNICh, which is a combination of a network interface card and switching accelerator for modern virtualized servers. The sNICh architecture exploits its proximity to the server by separating the network switching tasks between hardware and software efficiently. This enables the...
Provided By Hewlett-Packard (HP)
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Ensemble Routing for Datacenter Networks
This paper describes Hash-Based Routing (HBR), an architecture that enhances Ethernet to support dynamic management for multipath networks in scalable datacenters. This work enhances HBR to support flow ensemble management for large-scale networks of arbitrary topology. Ensemble routing eliminates measurement and control for individual flows and instead manages using summary...
Provided By Hewlett-Packard (HP)
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Lifecycle-Based Data Center Design
Environmental sustainability is an increasingly important design constraint for next-generation servers and datacenters. Unlike prior studies that focus on operational energy use, one study the environmental impact of current designs across the entire lifecycle, including embedded impact factors related to material use and manufacturing. Based on the insights provided by...
Provided By Hewlett-Packard (HP)
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Water Efficiency Management in Datacenters (Part I): Introducing a Water Usage Metric Based on Available Energy Consumption
Water efficiency, like energy efficiency is a key metric to evaluate sustainability of IT ecosystem. In this paper, the author propose a procedure for calculation of water efficiency of a datacenter while providing guidance for a management system that can optimize IT performance while managing the tradeoffs between water and...
Provided By Hewlett-Packard (HP)
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Energy Efficiency: The New Holy Grail of Data Management Systems Research
Energy costs are quickly rising in large-scale data centers and are soon projected to overtake the cost of hardware. As a result, data center operators have recently started turning into using more energy-friendly hardware. Despite the growing body of research in power management techniques, there has been little work to...
Provided By Hewlett-Packard (HP)
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No "Power" Struggles: Coordinated Multi-Level Power Management for the Data Center
Power delivery, electricity consumption, and heat management are becoming key challenges in data center environments. Several past solutions have individually evaluated different techniques to address separate aspects of this problem, in hardware and software, and at local and global levels. Unfortunately, there has been no corresponding work on coordinating all...
Provided By Hewlett-Packard (HP)
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Data Center Power Control: Usage Recommendations
HP Insight Control power management with the new feature Data Center Power Control enables customers to take control of their data center. This functionality allows data center managers to define rules to handle power and cooling emergencies, ensuring that critical services get the power and cooling they need to stay...
Provided By Hewlett-Packard (HP)
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The Data Center of the Future: Adapting to 21st Century Customer-Driven Demands
With virtualization technologies becoming mainstream and adoption rates rising, traditional data centers have transformed into virtual data centers, where technologies are virtualized to provide business services. Although this trend will continue for a few more years, leading-edge companies are positioning themselves for the data center of the future. The data...
Provided By Hewlett-Packard (HP)
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Improved Data Center Efficiency - Incorporating Air Stream Containment
To sustain growth, data centers are facing the challenge of supporting computer equipment with higher densities in kilowatts per rack and managing the environmental impact. Initiatives are being put in place to identify and implement cooling solutions that will produce efficiencies while reducing facilities energy expense per server. One major...
Provided By Hewlett-Packard (HP)
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Improved Data Center Efficiency - Incorporating Air Stream Containment: The Cold Aisle Containment Advantage
To sustain growth, data centers are facing the challenge of supporting computer equipment with higher densities in kilowatts per rack and managing the environmental impact. Initiatives are being put in place to identify and implement cooling solutions that will produce efficiencies while reducing facilities' energy expense per server. One major...
Provided By Hewlett-Packard (HP)
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IT Asset Management: A Cornerstone for Accelerating ITIL Success
ITAM is crucial to the service life cycle that is now described as part of ITIL Version 3 Service Asset and Configuration Management. When an IT organization knows what infrastructure they have and where it resides, they can provide service continuity and service availability and can properly manage the costs...
Provided By CA