- Distributed and Parallel Computing Systems
- Parallel Computing and Optimization Techniques
- Scientific Computing and Data Management
- Distributed systems and fault tolerance
- Cloud Computing and Resource Management
- Peer-to-Peer Network Technologies
- Advanced Data Storage Technologies
- Service-Oriented Architecture and Web Services
- Cloud Data Security Solutions
- Simulation Techniques and Applications
- Mobile Agent-Based Network Management
- Interconnection Networks and Systems
- IoT Networks and Protocols
- Caching and Content Delivery
- IoT and Edge/Fog Computing
- Cryptography and Data Security
- Oceanographic and Atmospheric Processes
- Software System Performance and Reliability
- Real-Time Systems Scheduling
- Network Traffic and Congestion Control
- Education and Vocational Training
- Noise Effects and Management
- Cognitive Computing and Networks
- Phonocardiography and Auscultation Techniques
- Fire effects on concrete materials
University Hospitals Plymouth NHS Trust
2024
Universidad Tecnológica de Bolívar
2021
The University of Texas at Dallas
2021
AT&T (United States)
2017-2019
The Aerospace Corporation
2007-2018
Pacific Northwest National Laboratory
2007
Federation University
2006
University of Hull
2006
University of California, Irvine
1987-2003
HRL Laboratories (United States)
2000
The realization of end-to-end quality service (QoS) guarantees in emerging network-based applications requires mechanisms that support first dynamic discovery and then advance or immediate reservation resources will often be heterogeneous type implementation independently controlled administered. We propose the Globus Architecture for Reservation Allocation (GARA) to address these four issues. GARA treats both reservations computational elements such as processes, network flows, memory...
The potential for faults in distributed computing systems is a significant complicating factor application developers. While variety of techniques exist detecting and correcting faults, the implementation these particular context can be difficult. Hence, we propose fault detection service designed to incorporated, modular fashion, into systems, tools, or applications. This uses well-known based on unreliable detectors detect report component failure, while allowing user tradeoff timeliness...
The aim of this paper is to put forth a multilayered method for securing data transport from cellular connected Internet Things device host through network. This employs many interlocking security elements - described in that when implemented their totality provide highly secure connectivity solution.
Grid technology has matured considerably over the past few years.Progress in both implementation and standardization is reaching a level of robustness that enables production quality deployments grid services academic research community with heightened interest early adoption industrial community.Despite this progress, applications are far from ubiquitous, new require an enormous amount programming effort just to see first light.A key impediment accelerated deployment scarcity high-level...
Cloud computing has the potential for tremendous benefits, but wide scale adoption a range of challenges that must be met. We review these and how they relate to scientific computing. To achieve portability, interoperability, economies clouds offer, it is clear common design principles widely adopted in both user community marketplace. this end, we argue private-to-public cloud deployment trajectory will very common, if not dominant. This can used define progression needed practices...
OpenStack is an open source cloud computing project that enjoying wide. While many deployments may be stand-alone, it clear secure federated community clouds, i.e., inter-clouds, are needed. Hence, there must methods for identity management (FIM) enable authentication and authorisation to flexibly enforced across environments. Since different FIM protocols either in use or development today, this paper addresses the goal of adding protocol independent services. After giving a motivating...
This paper presents on-going research to define the basic models and architecture patterns for federated access control in heterogeneous (multi-provider) multi-cloud inter-cloud environment. The proposed contributes further definition of Intercloud Federation Framework (ICFF) which is a part general Architecture (ICAF) by authors earlier works. ICFF attempts address interoperability integration issues provisioning on-demand multi-provider multi-domain cloud infrastructure services. describes...
In cloud computing, "hybrid cloud" and "community are established jargon. These concepts, however, actually entail federation, that is, the ability to securely share compute resources. Cloud federation has been investigated at all levels of system stack-infrastructure as a service (IaaS), platform (PaaS), software (SaaS). To better understand how accomplish secure author identifies six fundamental requirements, deployment models, examines relevant existing standards, discusses areas where...
In large distributed corporations, design review offers the potential for cost savings, reduced time to market, and improved efficiency. It also has improve process by enabling wider expertise be incorporated in reviews. This paper describes integration of several components enable virtual mixed multi-party, heterogeneous multi-site 2D immersive 3D environments. The system provides higher layers support collaboration including avatars, high fidelity audio, shared artifact manipulation....
Article Free Access Share on A network performance tool for grid environments Authors: Craig A. Lee Computer Science and Technology The Aerospace Corporation CorporationView Profile , James Stepanek Rich Wolski Department of Science, University Tennessee, Knoxville KnoxvilleView Carl Kesselman Information Sciences Institute, Southern California CaliforniaView Ian Foster Mathematical Sciences, Argonne National Laboratory LaboratoryView Authors Info & Claims SC '99: Proceedings the 1999...
Metacomputing combines heterogeneous system elements in a seamless computing service. In this case study, we introduce the of metacomputing and describe an application for cloud detection visualization infrared visible-light satellite images. The processes images by using Compositional C++ (CC++)-a simple, yet powerful extension C++-and its runtime system, Nexus, to integrate specialized resources, high-speed networks, parallel distributed computing, stereoscopic virtual reality (VR) displays.
Global Virtual Time (GVT) is the fundamental synchronization concept in optimistic simulations. It defined as earliest time tag within set of unprocessed pending events distributed simulation. A number techniques for determining GVT have been proposed recent years, each having their own intrinsic properties. However, most these either focus on specific types simulation problems or assume hardware support. This paper specifically addresses problem context following area• Scalability•...
Researchers face increasingly large repositories of geospatial data stored in different locations and various formats. To address this problem, the Open Geospatial Consortium Grid Forum are collaborating to develop standards for distributed computing.
There is a direct correspondence between semantic networks and subset of logic programs, restricted only to binary predicates. The advantage the latter that it can describe not nodes arcs comprising net, but also data-retrieval operations applied such nets. main objective this paper present data-driven model computation permits programs be executed on highly parallel computer architecture. We demonstrate how may converted into collections data-flow graphs in which resolution viewed as...
As distributed, on-line communities are increasingly supported by the global, interconnected computing infrastructure, methods must be developed to securely manage their interactions. The virtual organization (VO) concept provides a security and discovery context whereby collaboration across multiple administrative domains can enabled while enforcing joint policies. In era of cloud computing, VOs used "community clouds", i.e., Cloud federations. this paper, we describe method for...