gridcomputing infrastructures embody a cost-effective computing paradigm that virtualises heterogeneous system resources to meet the dynamic needs of critical business and scientific applications. these applications ...
详细信息
gridcomputing infrastructures embody a cost-effective computing paradigm that virtualises heterogeneous system resources to meet the dynamic needs of critical business and scientific applications. these applications range from batch processes and long-running tasks to real-time and even transactional applications. gridcomputing environments are inherently dynamic and unpredictable environments sharing services amongst many different users. grid schedulers aim to make the most efficient use of grid resources (high utilisation) while providing the best possible performance to the grid applications (reducing makespan) and satisfying the associated performance and Quality of Service (QoS) constraints. Additionally, in commercial grid settings where economic considerations are an increasingly important part of grid scheduling, it is necessary to minimise the cost of application execution on the behalf of the grid users while ensuring that the applications meet their QoS constraints. Furthermore, efficient resource allocation may allow a resource broker to maximise their profit by minimising the quantity of resource procurement. Scheduling in such a large-scale, dynamic and distributed environment is a complex undertaking. In this paper, we propose an approach to grid scheduling which abstracts over the details of individual applications, focusing instead on the global cost optimisation problem while taking into account the entire workload, dynamically adjusting to the varying service demands. Our model places particular emphasis on the stochastic and unpredictable nature of the grid, leading to a more accurate reflection of the state of the grid and hence more efficient and accurate scheduling decisions. (c) 2007 Elsevier B.V. All rights reserved.
CCgrid' 2007, the 7thieeeinternational Symposium on Cluster computing and the grid was held in Rio de Janeiro, Brazil, on May 14 17, 2007. CCgrid has become a premium conference of truly international coverage, ...
详细信息
CCgrid' 2007, the 7thieeeinternational Symposium on Cluster computing and the grid was held in Rio de Janeiro, Brazil, on May 14 17, 2007. CCgrid has become a premium conference of truly international coverage, bringing together researchers and practitioners, enabling them to share their insight, results, and experience in the multi-faceted areas of grid and cluster computing. the whole conference experience consisted of more than its strong technical program and also included three keynote speeches by scholars. there were seven workshops on emerging topics like the ieee Technical Committee on Scalable computing Doctoral Symposium, Agent-based gridcomputing and Context-Awareness and Mobility in gridcomputing. the paper by K. EL Maghraoui focused on adaptability for iterative MPI applications as adaptability enables a parallel application's execution system to split or merge processes, thereby modifying the executed program's granularity.
Virtualization has become a target for attacks in cloud computing environments. Existing approaches to protecting the virtualization environment against the attacks are limited in protection scope and are with high ov...
详细信息
ISBN:
(纸本)9781479978816
Virtualization has become a target for attacks in cloud computing environments. Existing approaches to protecting the virtualization environment against the attacks are limited in protection scope and are with high overheads. this paper proposes a novel virtualization security solution which aims to provide comprehensive protection of the virtualization environment.
Big Data have created a number of challenges in relation to the management of their complexity and variability, mainly by their aggregation and synthesis. this paper focuses on the different aspects of individuality t...
详细信息
ISBN:
(纸本)9781479978816
Big Data have created a number of challenges in relation to the management of their complexity and variability, mainly by their aggregation and synthesis. this paper focuses on the different aspects of individuality that are affected by the use of Big Data. Specifically, it proposes in detail specific individual rights of data subjects that might not be sufficiently protected in relation to the use of Big Data. A number of conclusions are drawn that show the necessity for the EU legal framework to adapt to the new challenges posed by the use of Big Data.
A significant influence of heterogeneity and uncertainty of grid environment on quality of DAG schedules results in a search for new approaches. One of them is Internet-based computing scheduling approach and PRIO alg...
详细信息
ISBN:
(纸本)9781424425785
A significant influence of heterogeneity and uncertainty of grid environment on quality of DAG schedules results in a search for new approaches. One of them is Internet-based computing scheduling approach and PRIO algorithm for DAG scheduling. In this paper, we present results of a detailed evaluation of the PRIO algorithms in a heterogeneous environment in which schedulers may recognize performance of resources.
As the quantity of data stored in legacy enterprise systems increases, the re-engineering of the database layer in such systems becomes more important. Data is often the most valuable artefact in a system and unlike s...
详细信息
ISBN:
(纸本)9781479978816
As the quantity of data stored in legacy enterprise systems increases, the re-engineering of the database layer in such systems becomes more important. Data is often the most valuable artefact in a system and unlike software it may not be replaceable. In collaboration with an industrial partner, Science Warehouse, a number of research problems in this area will be addressed. this extended abstract summarises the motivation for the project, its research questions, and the plan for addressing them.
We are pleased to present a special issue of best papers presented at the 4thinternational Workshop on Middleware for gridcomputing (MGC 2006), which was held in conjunction withthe acm/IFIP/USENIX 7th Internationa...
详细信息
We are pleased to present a special issue of best papers presented at the 4thinternational Workshop on Middleware for gridcomputing (MGC 2006), which was held in conjunction withthe acm/IFIP/USENIX 7thinternational Middleware conference during November 2006 in Melbourne, Australia. the goal of the fourth edition of the MGC workshop was to bring together researches in the field of middleware, addressing large-scale and real-world problems in grid environments, including grid and Web Services Architectures and Middleware, Object Metadata and Schemas in grid Middleware, Programming Models and Tools in grid Middleware, Resource Management and Scheduling, Strategies and Protocols for QoS in grid Middleware, Information Services in grid Middleware, Dependability and Fault Tolerance in grid Middleware, Performance Evaluation and Modeling in grid Middleware, Agent-based Approaches in grid Middleware, Utility computing, Core grid Infrastructure, grid Security, Virtualization in grid Middleware, Wireless grids Middleware, Data grid Middleware, Peer to Peer Protocols in gridcomputing, Network Support for gridcomputing, grid Application Frameworks, Portals, Portlet Containers, Adaptive-Autonomic Middleware, and Messaging in grid Middleware.
Cloud Adoption Risk Assessment Model is designed for cloud customers to assess the risks that they face by selecting a specific cloud service provider. It is an expert system to evaluate various background information...
详细信息
ISBN:
(纸本)9781479978816
Cloud Adoption Risk Assessment Model is designed for cloud customers to assess the risks that they face by selecting a specific cloud service provider. It is an expert system to evaluate various background information obtained from cloud customers, cloud service providers and other public external sources, and to analyze various risk scenarios. this would facilitate cloud customers in making informed decision to select the cloud service provider withthe most preferable risk profile.
Interact is a cloud based gesture recognition solution based on the FI-WARE cloud platform, realized by means of cloud services communicating with each other through REST APIs. To promote the development of Future Int...
详细信息
ISBN:
(纸本)9781479978816
Interact is a cloud based gesture recognition solution based on the FI-WARE cloud platform, realized by means of cloud services communicating with each other through REST APIs. To promote the development of Future Internet (FI) applications, all functionalities of Interact are offered as cloud services. the system is sensor independent and is designed to work withthe most popular motion sensors. To show proof of concept, a system prototype has been developed utilizing the LEAP Motion sensor.
While gridcomputing promises unparalleled secure sharing of computation and resources in a heterogeneous environment, it has not yet found widespread adoption. Without a large user base, the promises of grid computin...
详细信息
ISBN:
(纸本)9781424425785
While gridcomputing promises unparalleled secure sharing of computation and resources in a heterogeneous environment, it has not yet found widespread adoption. Without a large user base, the promises of gridcomputing cannot be fulfilled. One reason gridcomputing has lacked wide adoption because users are unwilling to suffer the cost of learning new paradigms or to modify applications to use grid resources. We address this issue by layering the simple and familiar paradigm of a filesystem atop of a grid-backend with G-ICING. G-ICING is a Windows Installable Filesystem that interacts with a grid-backend using standards developed by the Open grid Forum. We have created a prototype of G-ICING using Genesis II as our grid backend. In our evaluation, we demonstrate that it is both practical and easy-to-use. With G-ICING, we can finally bring the promises of gridcomputing home.
暂无评论