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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ECLB: A Novel Exhaustive Criterion Based Grid Load Balancing Algorithm for e-Learning Platform
Virtual learning is a method to access and share study materials on the web and other distributed networks. Grid technology is used for efficient resource sharing and voluminous data processing. Grid based E-learning environment will ensure efficient utilization of learning objects distributed around it. Scheduling and load balancing among the...
Provided By EuroJournals
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Combinational Adaptive Advanced Scheduling Algorithm for Grid Networking
Scheduling is a fundamental issue in achieving high performance on metacomputers and computational grids. For the first time, the job scheduling problem for grid computing on metacomputers is studied as a combinatorial optimization problem. The efforts to construct a national scale grid computing environment have brought unprecedented computing capacity. Exploiting...
Provided By EuroJournals
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A Comparative Study on Seven Static Mapping Heuristics for Grid Scheduling Problem
Grid computing is a promising technology for future computing platforms and is expected to provide easier access to remote computational resources that are usually locally limited. Scheduling is one of the core steps to efficiently exploit the capabilities of Grid Computing (GC) systems. The problem of optimally mapping (defined as...
Provided By Islamic Azad University
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On Achieving Low Latency in Data Centers
Today's data centers face extreme challenges in providing low latency for online services such as web search, social networking, and recommendation systems. Achieving low latency is important as it impacts user experience, which in turn impacts operator revenue. However, most current congestion control protocols approximate Processor Sharing (PS), which is...
Provided By University of Pitesti
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Green-Aware Workload Scheduling in Geographically Distributed Data Centers
Renewable (or green) energy, such as solar or wind, has at least partially powered data centers to reduce the environmental impact of traditional energy sources (brown energy with high carbon footprint). In this paper, the authors propose a holistic workload scheduling algorithm to minimize the brown energy consumption across multiple...
Provided By Nanyang Technological University
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Delivering 24x7 Learning With Virtualisation & Green Computing
Temasek Polytechnic (TP) is a significant contributor to the field of para-professional education in Singapore, there challenges were to build an e-Campus for anytime, anywhere learning, deliver connected learning in a cost effective and sustainable manner and improve the provisioning and management of computing resources to users. They chose Cisco...
Provided By Cisco Systems
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An Overview of Privacy-Preserving Data Aggregation in Smart Metering Systems
Growing energy needs forces governments to look for alternative resources and ways of better energy grid management and load balancing. As a major initiative, many countries including the UK, the USA and China have already started deploying smart grids. In this paper, the authors present recent and ongoing research in...
Provided By Institute of Electrical & Electronic Engineers
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Power-Efficient Time-Sensitive Mapping in Heterogeneous Systems
Heterogeneous systems that contain multiple types of resources, such as CPUs and GPUs, are becoming increasingly popular thanks to the potential of achieving high performance and energy efficiency. In such systems, the problem of data mapping and communication for time-sensitive applications while reducing power and energy consumption is more challenging,...
Provided By Association for Computing Machinery
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Making Geo-Replicated Systems Fast as Possible, Consistent When Necessary
Online services distribute and replicate state across geographically diverse data centers and direct user requests to the closest or least loaded site. While effectively ensuring low latency responses, this approach is at odds with maintaining cross-site consistency. The authors make three contributions to address this tension; they propose RedBlue consistency,...
Provided By Max Planck Institute for Software Systems
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Cabinet Layout Optimization of Supercomputer Topologies for Shorter Cable Length
In this paper, the authors examine the optimization of the physical layout of topologies of switches on a machine room floor with the goal of reducing cable length. For a given topology, using graph clustering algorithms, they group switches logically into cabinets so that the number of inter-cabinet cables is...
Provided By University of Hawai'i
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Fault Tolerant Most Fitting Resource Scheduling Algorithm (FMFRS) for Computational Grid
In computational Grid, fault tolerance is an imperative issue to be considered during job scheduling. Due to the widespread use of resources, systems are highly prone to errors and failures. Hence fault tolerance plays a key role in grid to avoid the problem of unreliability. The two main techniques for...
Provided By EuroJournals
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Energy Aware Green Task Assignment Algorithm in Clouds
The greatest environmental challenge today is global warming, which is caused by carbon emissions. Energy crisis brings green computing, and green computing needs algorithms and mechanisms to be redesigned for energy efficiency. Green IT refers to the study and practice of using computing resources in an efficient, effective and economic...
Provided By International Journal for Research in Science & Advanced Technologies
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Measuring Energy and Power With PAPI
Energy and power consumption are becoming critical metrics in the design and usage of high performance systems. The authors have extended the Performance API (PAPI) analysis library to measure and report energy and power values. These values are reported using the existing PAPI API, allowing code previously instrumented for performance...
Provided By University of Tehran
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Urban Data Collector Protocol: Performance Evaluation With Different Suppression Techniques
This research was aimed at using Vehicular Adhoc NETworks (VANET) as infra-structure for an urban cyber-physical system in order to gather valuable data in a city. This paper is proposed an Urban Data Collector (UDC) protocol in urban area where all nodes are data sources and there is a gateway...
Provided By International Journal of Computer Science Issues
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Predicting Job Wait Time in Grid Environment by Applying Machine Learning Methods on Historical Information
To have high performance scheduling mechanisms in grid computing, the authors need accurate methods for estimating parameters like jobs' wait time and run time. In this paper, they consider wait time prediction problem. Different regression techniques are examined on AuverGrid data set to predict wait time. To improve the quality...
Provided By Science and Development Network (SciDev.Net)
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Scheduling Tasks on Most Suitable Fault Tolerant Resource for Execution in Computational Grid
Grid computing allows, controlled and coordinated resource sharing and problem solving in dynamic, multi-institutional virtual organizations. Grids are categorized in to two, as Computational grid and Data grid. In computing grid, allocating resources to the tasks based on its requirements and task scheduling is an important issue. Generally, the task...
Provided By Science and Development Network (SciDev.Net)
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A Taxonomy of Grid Resource Selection Mechanisms
Resources in grid systems are heterogeneous, geographically distributed, belong to different administrative domains and apply different management policies. The roles of resource selection mechanisms are to identify, select and allocate the most suitable resources for a given set of tasks. This paper presents a taxonomy that facilitates identifying and classifying...
Provided By Science and Development Network (SciDev.Net)
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A Data Throughput Prediction Using Scheduling and Assignment Technique
In this paper, the authors present the design and implementation of an application-layer data throughput prediction and optimization service for many-task computing in widely distributed environments using Operation research. This service uses multiple parallel TCP streams which are used to find maximum data distribution stream through assignment model which is...
Provided By IJCER
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A General Framework for Efficient Continuous Multidimensional Top-K Query Processing in Sensor Networks
Top-k query has long been a crucial problem in multiple fields of computer science, such as data processing and information retrieval. In emerging cyber-physical systems, where there can be a large number of users searching information directly into the physical world, many new challenges arise for top-k query processing. From...
Provided By Institute of Electrical & Electronic Engineers
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GSWAP: A Data Exchanging Partition for the Execution of Grid Jobs
Grid aggregates heterogeneous resources over Internet to execute large-scale jobs. In the job execution, data is usually downloaded to the computing sites before the data processing. The batch mode of data transfer and processing might lead to the waiting of the reserved resources and the decrease of the system efficiency....
Provided By Jilin University
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Web Applications & Operating Cost of Data Center
Traditionally, organizations use their own data centers to communicate with their users/customers through information technology. Business team of the organization achieves this by funding the development of a range of web applications. Typically, web applications are developed using the components present in the data center and using the human IT...
Provided By Academy & Industry Research Collaboration Center
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Neural Approach for Resource Selection with PSO for Grid Scheduling
Grid computing is a computing framework to meet growing demands for running different grid enable applications. This paper proposes a neural network for automatically capturing the requirements of the user and uses it for resource selection. This paper also introduces an approach based on Particle Swarm Optimization (PSO) to schedule...
Provided By International Journal of Computer Applications
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Maintaining Stability in Distribution System with Microgrid Using Neuro-Fuzzy
Microgrid is now commonly used in distribution system to produce continuous power supply during abnormal condition and also to reduce the total power losses in the system. During normal condition, microgrid acts as a part of generators to reduce the total power losses in the system. If any fault occurs...
Provided By EuroJournals
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The Distributed Computing Paradigms: P2P, Grid, Cluster, Cloud, and Jungle
The distributed computing is done on many systems to solve a large scale problem. The growing of high-speed broadband networks in developed and developing countries, the continual increase in computing power, and the rapid growth of the Internet have changed the way. In it the society manages information and information...
Provided By ISSN
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M3R: Increased Performance for In-Memory Hadoop Jobs
Main Memory Map Reduce (M3R) is a new implementation of the Hadoop Map Reduce (HMR) API targeted at online analytics on high mean-time-to-failure clusters. It does not support resilience, and supports only those workloads which can fit into cluster memory. In return, it can run HMR jobs unchanged-including jobs produced...
Provided By VLD Digital
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sDTW: Computing DTW Distances using Locally Relevant Constraints based on Salient Feature Alignments
Many applications generate and consume temporal data and retrieval of time series is a key processing step in many application domains. Dynamic Time Warping (DTW) distance between time series of size N and M is computed relying on a dynamic programming approach which creates and fills an N ? M...
Provided By VLD Digital
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Serializability, not Serial: Concurrency Control and Availability in Multi-Datacenter Datastores
The authors present a framework for concurrency control and availability in multi-datacenter datastores. While they consider Google's Megastore as their motivating example, they define general abstractions for key components, making their solution extensible to any system that satisfies the abstraction properties. They first develop and analyze a transaction management and...
Provided By VLD Digital
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Probabilistically Bounded Staleness for Practical Partial Quorums
Data store replication results in a fundamental trade-off between operation latency and data consistency. In this paper, the authors examine this trade-off in the context of quorum-replicated data stores. Under partial or non-strict quorum replication, a data store waits for responses from a subset of replicas before answering a query,...
Provided By VLD Digital
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Towards Cost-Effective Storage Provisioning for DBMSs
Data center operators face a bewildering set of choices when considering how to provision resources on machines with complex I/O subsystems. Modern I/O subsystems often have a rich mix of fast, high performing, but expensive SSDs sitting alongside with cheaper but relatively slower (for random accesses) traditional hard disk drives....
Provided By VLD Digital
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Capacity Management of Vehicle-to-Grid System for Power Regulation Services
Due to green initiatives adopted in many countries, renewable energy will be massively incorporated into the future smart grid. However, the intermittency of the renewables may result in power imbalance, thus adversely affecting the stability of a power system. Voltage regulation may be used to maintain the power balance at...
Provided By Hong Kong Baptist University
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Dedoop: Efficient Deduplication with Hadoop
The authors demonstrate a powerful and easy-to-use tool called Dedoop (Deduplication with Hadoop) for MapReduce-based Entity Resolution (ER) of large datasets. Dedoop supports a browser-based specification of complex ER workflows including blocking and matching steps as well as the optional use of machine learning for the automatic generation of match...
Provided By VLD Digital
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A Load-Sharing Architecture for High Performance Optimistic Simulations on Multi-Core Machines
In Parallel Discrete Event Simulation (PDES), the simulation model is partitioned into a set of distinct Logical Processes (LPs) which are allowed to concurrently execute simulation events. In this paper, the authors present an innovative approach to load-sharing on multi-core/multiprocessor machines, targeted at the optimistic PDES paradigm, where LPs are...
Provided By University of Rochester
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The Design and Implementation of a Multi-Level Content-Addressable Checkpoint File System
Long-running HPC applications guard against node failures by writing checkpoints to parallel file systems. Writing these checkpoints with petascale class machines has proven difficult and the increased concurrency demands of exascale computing will exacerbate this problem. To meet check-pointing demands and sustain application-perceived throughput at exascale, multi-tiered hierarchical storage architectures...
Provided By Indiana University
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SCORE: Smart-Grid Common Open Research Emulator
A Smart Grid is a digitally enabled electrical grid that equips with various embedded devices that can sense, communicate, compute and control. Validating, analyzing and evaluating new ideas and technologies in Smart Grid require the modeling and emulating of communication network and power network, as well as the interactions between...
Provided By Georgia State University
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Block-Relaxation Methods for 3D Constant-Coefficient Stencils on GPUs and Multicore CPUs
Block iterative methods are extremely important as smoothers for multi-grid methods, as pre-conditioners for Krylov methods, and as solvers for diagonally dominant linear systems. Developing robust and efficient algorithms suitable for current and evolving GPU and multicore CPU systems is a significant challenge. The authors address this issue in the...
Provided By Institute of Electrical & Electronic Engineers
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Bank Benefits From Borderless Network and Collaboration
Ecobank Transnational Incorporated is a leading pan-African bank with operations in 32 countries across the continent, more than any other bank. Their challenges are to standardize provision of banking services across countries, reduce operational expenditure and support continued growth. They chose Cisco to overcome these challenges. They chose Cisco Borderless...
Provided By Cisco
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Workload Dependent IO Scheduling for Fairness and Efficiency in Shared Storage Systems
Supporting QoS control mechanisms in shared storage arrays is constrained by the well-justified fear of impacting the system efficiency. This motivates the authors' study of the tradeoff between fairness and efficiency in shared storage systems. They propose two adaptations that can be applied to existing IO scheduling mechanisms: the concurrency...
Provided By VMW Games
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A Cyber-Physical Integrated System for Application Performance and Energy Management in Data Centers
Both performance and energy cost are important concerns for current data center operators. Traditionally, however, IT and mechanical engineers have separately optimized the cyber vs. physical aspects of data center operations. In contrast, the work presented in this paper jointly considers both the IT - cyber - and the physical...
Provided By Institute of Electrical & Electronic Engineers
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High Performance Dense Linear System Solver With Resilience to Multiple Soft Errors
In the multi-peta-flop era for supercomputers, the number of computing cores is growing exponentially. However, as integrated circuit technology scales below 65 nm, the critical charge required to flip a gate or a memory cell has been dangerously reduced, causing higher cosmic-radiations-induced soft error rate. Soft error threatens computing system...
Provided By University of Tehran
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RapidRAID: Pipelined Erasure Codes for Fast Data Archival in Distributed Storage Systems
To achieve reliability in distributed storage systems, data has usually been replicated across different nodes. However the increasing volume of data to be stored has motivated the introduction of erasure codes, a storage efficient alternative to replication, particularly suited for archival in data centers, where old datasets (rarely accessed) can...
Provided By Nanyang Technological University
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Data Center Assessment Helps Keep Critical Equipment Operational
The IT infrastructure within many companies has evolved into an interdependent, business-critical network that relies on the data center as its hub. Growing business demands are forcing data center managers to support more equipment, resulting in increased heat loads. Corporate attention on the data center is also driving the need...
Provided By Emerson Electric
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Going Global: The Changing Pattern Of U.S. Investment Abroad
Investors typically allocate only a small share of their portfolios to foreign assets. This pattern of investment behavior, known as "Home bias," is puzzling because it causes investors to miss opportunities to diversify risks. During downturns in the U.S. economy, many domestic assets perform poorly, precisely when asset returns are...
Provided By Federal Reserve Bank of Kansas City
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10 Traits Of High-Performance Leaders
Becoming a high-performance leader doesn't happen overnight. It's a slow process that requires thought, discipline and lots of hard work. A little dose of humor helps, too. Small businesses have always been known to combine a vision of the seemingly impossible with a plan to shape the future and make...
Provided By American Express
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Real Investment, Risk And Risk Dynamics
The spread in average returns between low and high asset growth and investment portfolios is largely accounted for by their spread in systematic risk, as measured by the Chen, Roll and Ross (1986) factors. In addition, systematic risk and volatility fall sharply during large investment periods. Consistent with the predictions...
Provided By Tel Aviv University
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Server Memory Solutions for the Impending Data Center Power Crisis
Until very recently, data center managers were only concerned about performance and acquisition costs when they were considering buying new servers or expanding their facilities. But soaring energy costs and system power consumption have forced data center managers to analyze all aspects of their electrical and thermal expenditures - including...
Provided By Micron Technology
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Freescale Technologies for Energy Efficiency
The design of an electronic system is almost always constrained by power and energy considerations - whether it is battery life for a mobile device, thermal power dissipation in a high-performance processor or ultra-low power consumption for a wireless sensing application. In addition, recent economic forces and increased environmental awareness...
Provided By Freescale Semiconductor
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Why You Should Rebalance Your Portfolio
Rebalancing your portfolio - buying or selling assets to restore your portfolio to your original target allocation - is an important step in controlling risk. It is one of those things that sounds logical but in practice can often feel counterintuitive. Rebalancing requires you to sell assets that are performing...
Provided By Charles Schwab
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A Case to Optimize: Data-Center Managers Look to Consolidation and Virtualization to Cure Ailments
Then the request moves from the fast track to the slow track, as the server provisioning process kicks off. There's the acquisition of the server, storage arrays and more. There's licensing the business application and the security software that must be installed with it. At the same time, IT staffers...
Provided By CDW
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The 7 Habits Of Highly Effective People : Key To High-Performance Organizations
What are the repeatable and proven principles that, when applied, result in high performance organizations, teams, and people? What differentiates high performance from adequate or even failed performance? Most companies - even large, well-established ones - fail to survive more than a few years or decades. Organizations that thrive and...
Provided By FranklinCovey
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Diskeeper 12 Server Edition - FREE 30-day trialware
SAN-attached servers require specific best-practice file optimization to allow the SAN to achieve its best performance. This pre-configured variation of Diskeeper Server edition is separately available and comes set and ready to optimize server data performance in a SAN environment without actually touching the SAN layer.
Provided By Condusiv Technologies
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V-locity 3 Virtual Platform Disk Optimizer - FREE 30-day trialware
Virtual infrastructures must be dynamic, efficient and above all else, fast because they process the most critical company data. But underlying resource use must be optimized or the platform can slow to a crawl. V-locity 3 brings an unprecedented depth of resource awareness and new technology for peak performance in...
Provided By Condusiv Technologies
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Virtex 4 Field Programmable Gate Array Based 32 Bit FPM
FPGAs are increasingly being used in the high performance and scientific computing community to implement floating-point based hardware accelerators. The authors present FPGA floating-point multiplication. Such circuits can be extremely useful in the FPGA implementation of complex systems that benefit from the re-programability and parallelism of the FPGA device but...
Provided By International Journal of Electronics Communication and Computer Engineering
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A Survey of Data Mining Techniques for Smart Grid Systems
Electricity generated through steam and hydro - turbines have been serving one since ages. It has reached its limits. Outages, blackouts are becoming inevitable. So, there is a need to develop a system that is able to identify the links right from the source of electricity generation to the consumers...
Provided By International Journal of Electronics Communication and Computer Engineering
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Grid Computing for Different Applications
Grid Computing delivers on the potential in the growth and abundance of network connected systems and bandwidth: computation, collaboration and communication over the Advanced Web. At the heart of Grid Computing is a computing infrastructure that provides dependable, consistent, pervasive and inexpensive access to computational capabilities. The use of grid...
Provided By International Journal of Computer Technology and Applications
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Parallel Grid Library for Rapid and Flexible Simulation Development
The authors present an easy to use and flexible grid library for developing highly scalable parallel simulations. The distributed cartesian cell-refinable grid (dccrg) supports adaptive mesh refinement and allows an arbitrary C++ class to be used as cell data. The amount of data in grid cells can vary both in...
Provided By University of Heilongjiang
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A New Degree of Freedom for Memory Allocation in Clusters
Improvements in parallel computing hardware usually involve increments in the number of available resources for a given application such as the number of computing cores and the amount of memory. In the case of shared-memory computers, the increase in computing resources and available memory is usually constrained by the coherency...
Provided By SpringCM Inc
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Steps Toward Managing Lineage Metadata in Grid Clusters
The lineage of a piece of data is of utility to a wide range of domains. Several application-specific extensions have been built to facilitate tracking the origin of the output that the software produces. In the quest to provide such support to extant programs, efforts have been recently made to...
Provided By Sri Durga Group
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The Design and Renovation of the University of New Hampshire Research Computing & Instrumentation Center
The University of New Hampshire (UNH) was established to provide comprehensive Information Technology and Instrumentation services. Their challenges were existing Computer Room Air Conditioners (CRAC) were no longer supported by the manufacturer and the Uninterruptible Power Supply (UPS) systems were outdated and starting to fail, creating significant reliability concerns. They...
Provided By Leading Edge Design Group
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Tele Atlas Reduces Data Center Operating Costs, Increases Energy Efficiency and Scalability
Tele Atlas is a leading global provider of digital maps and dynamic content for navigation and location based solutions. Tele Atlas faced in meeting the power and cooling requirements of their blade server deployment. They chose Leading Edge Design Group to overcome these challenges. Leading Edge Design Group chose to...
Provided By Leading Edge Design Group
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OpenSky Data-Center Network Design Improves Application Performance for Healthcare Software Provider
The client is an industry-leading provider of enterprise Electronic Health Record (EHR) and Computerized Physician Order Entry (CPOE) solutions. The client needed to quickly expand and improve its capabilities to provision applications to customers. The company also wanted to deploy the latest technologies to ensure it could continue to meet...
Provided By OpenSky
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Gale Technologies Enables Cisco Developer Network
Cisco (NASDAQ: CSCO) is the worldwide leader in networking that transforms how people connect, communicate and collaborate. Cisco needed to find an easier, more cost-effective way to test and validate interoperability of third-party software applications and hardware products with its own solutions. They chose Gale Technologies to overcome these challenges....
Provided By Gale Technologies
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VMware Distributed Power Management and VSphere
This webcast introduces the VMware Distributed Power Management (DPM) and how it can be leveraged to save power and money in the data center. The VMware Engineer discusses how it can be leveraged to improve the efficiencies in the data center and leverage it for power and cost savings. about...
Provided By Itex Enterprise
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ViaWest Provides the Redundancy That Is Critical to the Growth of Rentrak's Product Line
Rentrak Corporation, is a global digital media measurement and research company that provides content measurement, analytical services and unique insight to the most recognizable names in the entertainment industry. They faced with the challenge of finding a data center that offered 100% uptime and a level of flexibility that would...
Provided By Viaway
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ViaWest Supports the Global Outreach Efforts International Organization on a Mission to Alleviate Suffering, Poverty and Oppression
As an international organization on a mission to alleviate suffering, poverty and oppression, Mercy Corps' primary focus is on serving others. With its top priority in serving others, they needed to focus on its core IT infrastructure to ensure quick and reliable response during times of need. Mercy Corps required...
Provided By Viaway
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High Performance Computing Instrumentation and Research Productivity in U.S. Universities
This paper studies the relationship between investments in High-Performance Computing (HPC) instrumentation and research competitiveness. Measures of institutional HPC investment are computed from data that is readily available from the Top 500 list, a list that has been published twice a year since 1993 that lists the fastest 500 computers...
Provided By Journal of Information Technology Impact
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An Efficient Temporal Partitioning Algorithm to Minimize Communication Cost for Reconfigurable Computing Systems
In reconfigurable computing systems, full reconfigurable FPGA are evolving rapidly, due to their flexibility and high performance. In this paper, the authors focus on communication cost between partitions in order to develop an algorithm to solve temporal partitioning problems for full reconfigurable architecture. In fact, this algorithm optimizes the transfer...
Provided By The Society of Digital Information and Wireless Communications (SDIWC)
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Test 1282013 C
Test 1282013 C
Provided By CBS AUS PTY LTD
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A Reliable Schedule with Budget Constraints in Grid Computing
The application system while executing in a Grid environment may encounter a failure. This phenomenon can be overcome by a reliable scheduler who plays the major role of allocating the applications to the reliable resources based on the reliability requirement of the applications given by the users. The reliability requirement...
Provided By Karunya University
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A Survey on Resources Discovery Approaches in Distributed Computational Grids
Grid computing enables systems to share geographically distributed resources as they pursue common goals. In a large-scale Grid systems discovery of heterogeneous resources is crucial to achieving scalable performance. The Grid resources need to be discovered, selected and invoked quickly and efficiently in order to satisfy the needs of a...
Provided By Karunya University
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Simple and Effective Dynamic Provisioning for Power-Proportional Data Centers
Energy consumption represents a significant cost in data center operation. A large fraction of the energy, however, is used to power idle servers when the workload is low. Dynamic provisioning techniques aim at saving this portion of the energy, by turning off unnecessary servers. In this paper, the authors explore...
Provided By The China Press Berhad
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Role of Information and Communication Technologies in the Smart Grid
In the smart grid operation and management, reliable and real-time information and communication networks play a very critical role. By integrating the appropriate Information and Communication Technologies (ICT) infrastructure, automated control, sensing and metering technologies, and energy management techniques, the smart grid has emerged as a solution that empowers utilities...
Provided By Journal of Computing
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Efficiency Audit Within The Social Health Insurance System. Hospital Services Providers In Romania
Given how the healthcare sector records a continuous rise of costs, decision factors and theoreticians try to develop policies that will contribute to the improving the way resources are used. In literature it is well known that the goal of performance audits is to provide information and to ensure the...
Provided By 1 Decembrie 1918 University of Alba Iulia
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Processing Authentication Based on Grid Environment
The term "Grid" was coined in the mid 1990s to denote a proposed distributed computing infrastructure for advanced science and engineering. In grid environment, users may access the computational resources at many sites. In this paper, the authors propose the encryption algorithm to produce authenticator. The grid nodes are divided...
Provided By Chinese Culture University
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Resource Allocation Analysis Model Based on Grid Environment
In this paper, the authors propose a performance analysis of resource allocation model for grid resources under the grid computing environment. By the proposed model, they can make all grid nodes be load-balancing. The proposed model can detect the grid nodes resource status about CPU usage and memory usage, analyze...
Provided By Chinese Culture University
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Cascading Failures in Smart Grid - Benefits of Distributed Generation
Smart grid is envisioned to incorporate local distributed power generation for better efficiency and flexibility. Distributed generation, when not used carefully, however, may compromise the stability of the grid. Recently, researchers have proposed innovative architectures (e.g., microgrid and LoCal grid) that virtualize a local generator as a constant load, source,...
Provided By University of Concepción - Chile
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Application Fluency in the Data Center: A strategic choice for the data center network
Download the white paper, Application Fluency in the Data Center: A strategic choice for the data center network, to see how Alcatel-Lucent Mesh can help your data center finally meet the need for low-latency, server-to-server traffic.
Provided By Alcatel Lucent Enterprise
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Network Infrastructure for the Cloud Ready Data Center
Virtualization and distributed applications are transforming every part of the data center. To maximize the potential of virtualization, the network must also transform.
The transformation of data centers networks across the globe has begun and the traditional three tier data center architecture is becoming a being questioned. This transformation...Provided By Alcatel Lucent Enterprise
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On Achieving Low Latency in Data Centers
Today's data centers face extreme challenges in providing low latency for online services such as web search, social networking, and recommendation systems. Achieving low latency is important as it impacts user experience, which in turn impacts operator revenue. However, most current congestion control protocols approximate Processor Sharing (PS), which is...
Provided By University of Pitesti
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Minimizing Flow Completion Times in Data Centers
For provisioning large-scale online applications such as web search, social networks and advertisement systems, data centers face extreme challenges in providing low latency for short flows (that result from end-user actions) and high throughput for background flows (that are needed to maintain data consistency and structure across massively distributed systems)....
Provided By University of Pitesti
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CARPO: Correlation-Aware Power Optimization in Data Center Networks
Power optimization has become a key challenge in the design of large-scale enterprise data centers. Existing research efforts focus mainly on computer servers to lower their energy consumption, while only few studies have tried to address the energy consumption of Data Center Networks (DCNs), which can account for 20% of...
Provided By The Ohio Society of CPAs