Proceedings 11th IEEE International Symposium on High Performance Distributed Computing
1082-8907
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Adaptive timeout discovery using the Network Weather Service
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In this paper we present a novel methodology for improving the performance and dependability of application-level messaging in Grid systems. Based on the Network Weather Service, our system uses nonparametric statistical forecasts of request-response times to automatically determine message timeouts. By choosing a timeout based on predicted network performance, the methodology improves application...... hiện toàn bộ
#Application software #Weather forecasting #Computer science #Testing #Dynamic scheduling #Degradation #Programming profession #Grid computing #Processor scheduling #Mesh generation
A case for proactivity in directory services
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In this paper, we argue that an exclusively inactive interface to directory services can hinder server scalability and indirectly restrict the behavior of potential applications. We propose to extend directory services' interfaces with a proactive mode by which clients can express their interest in (and be notified of) changes in the environment. These notification channels can be subsequently cus...... hiện toàn bộ
#Computer aided software engineering #Pervasive computing #Information filtering #Information filters #Distributed computing #Grid computing #Scalability #Educational institutions #Innovation management #Resource management
Dynamic right-sizing in FTP (drsFTP): Enhancing Grid performance in user-space
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With the advent of computational grids, networking performance over the wide-area network (WAN) has become a critical component in the grid infrastructure. Unfortunately, many high-performance grid applications only use a small fraction of the available bandwidth because operating systems and their associated protocol stacks are still tuned for yesterdays WAN speeds. As a result, network gurus und...... hiện toàn bộ
#Wide area networks #Computer networks #Grid computing #Bandwidth #Operating systems #Protocols #Automatic control #Control systems #Kernel #Throughput
Leveraging run time knowledge about event rates to improve memory utilization in wide area data stream filtering
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The dQUOB system conceptualization of data streams as database and its SQL interface to data streams is an intuitive way for users to think about their data needs in a large scale application containing hundreds if not thousands of data streams. Experience with dQUOB has shown the need for more aggressive memory management to achieve the scalability we desire. This paper addresses the problem with...... hiện toàn bộ
#Scalability #Scheduling algorithm #Relational databases #Filtering #Computer science #Large-scale systems #Application software #Memory management #Runtime #Wide area measurements
A high-performance cluster storage server
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An essential building block for any data grid infrastructure is the storage server. In this paper we describe a high-performance cluster storage server built around the SDSC Storage Resource Broker (SRB) and commodity workstations. A number of performance critical design issues and our solutions to them are described. We incorporate pipeline optimizations into SRB to enable the full overlapping of...... hiện toàn bộ
#Grid computing #Network servers #Web server #Throughput #Geophysics computing #Middleware #Aggregates #High performance computing #Bandwidth #Internet
Evaluating Web services based implementations of GridRPC
- Trang 237-245
GridRPC is a class of Grid middleware for scientific computing. Interoperability has been an important issue, because current GridRPC systems each employ its own protocol. Web services, where XML-based standards such as SOAP and WSDL are expected to see widespread use, could be the medium of interoperability; however it is not clear if 1) XML-based schemas have sufficient expressive power for Grid...... hiện toàn bộ
#Web services #Simple object access protocol #Standardization #Computer industry #Scientific computing #Encoding #Memory management #Power system management #XML #Web server
Design and evaluation of a resource selection framework for Grid applications
- Trang 63-72
While distributed, heterogeneous collections of computers ("Grids") can in principle be used as a computing platform, in practice the problems of first discovering and then organizing resources to meet application requirements are difficult. We present a general-purpose resource selection framework that addresses these problems by defining a resource selection service for locating Grid resources t...... hiện toàn bộ
#Processor scheduling #Distributed computing #Application software #Grid computing #Computer science #Organizing #Computer applications #Virtual machining #Control systems #Resource management
The GridLab grid application toolkit
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We present a synopsis of the Grid Application Toolkit, under development in the EU GridLab project, along with some of the new application scenarios which it will enable.
#Application software #Portals #Grid computing #Testing #Resource management #Switches #Physics #Parallel machines #Processor scheduling #Computational modeling
Dynamic monitoring of high-performance distributed applications
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Developers and users of high-performance distributed systems often observe performance problems such as unexpectedly low throughput or high latency. Determining the source of the performance problems requires detailed end-to-end instrumentation of all components, including the applications, operating systems, hosts, and networks. However, one must be very careful to design the instrumentation to h...... hiện toàn bộ
#Distributed computing #Instruments #Pipelines #XML #Condition monitoring #Computer buffers #Grid computing #High performance computing #Laboratories #Libraries
Grid-based knowledge discovery services for high throughput informatics
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Discovery Net is an application layer for providing grid-based knowledge discovery services. These services allow scientists to create and manage complex knowledge discovery workflows that integrate data and analysis routines provided as remote services. They also allow scientists to store, share and execute these workflows as well as publish them as new services. Discovery Net provides a higher l...... hiện toàn bộ
#Throughput #Data analysis #Knowledge management #Resource management #Remote sensing #Prototypes #Data mining #Computer architecture #Biomedical informatics #Educational institutions