scholarly journals DR-OSGi: Hardening Distributed Components with Network Volatility Resiliency

2009 ◽  
pp. 373-392 ◽  
Author(s):  
Young-Woo Kwon ◽  
Eli Tilevich ◽  
Taweesup Apiwattanapong
Keyword(s):  
Distributed Components

Multilayer failure detection method for network services based on distributed components

2010 ◽  
Author(s):  
Eisuke Hirota ◽  
Kazuhiko Kinoshita ◽  
Hideki Tode ◽  
Koso Murakami ◽  
Shinji Kikuchi ◽  
...  
Keyword(s):  
Detection Method ◽  
Failure Detection ◽  
Network Services ◽  
Distributed Components

LC ladder used as broadband prototype for distributed components

1965 ◽  
Vol 1 (9) ◽  
pp. 265 ◽  
Author(s):  
J.S. Seeley
Keyword(s):  
Distributed Components

scholarly journals Analysis and Evaluation of EHR Approaches

2009 ◽  
Vol 48 (02) ◽  
pp. 162-169 ◽  
Author(s):  
P. Pharow ◽  
B. Blobel
Keyword(s):  
Reference Model ◽  
Evaluation Study ◽  
Reference Architecture ◽  
Health Telematics ◽  
Analysis And Evaluation ◽  
Model Driven ◽  
Active Involvement ◽  
Distributed Components ◽  
National Programs ◽  
Migration Pathways

Summary Objectives: EHR systems are core applications in any eHealth/pHealth environment and represent basic services for health telematics platforms. Standards Developing Organizations as well as national programs define EHR architectures as well as related design, implementation, and deployment processes. Claiming to meet the challenge for semantic interoperability and to offer a sustainable pathway, the resulting documents and specifications are sometimes controversial and even inconsistent. Methods: Based on long-term experiences from national and international EHR projects, inputs from related academic groups, and active involvement at CEN, ISO, HL7, an analysis and evaluation study has been performed. Using the Generic Component Model (GCM) reference architecture, the characteristics for advanced and sustainable EHR architectures have been investigated. The dimensions of such an architectural reference model have been described, including basic principles of the underlying formal logical framework. Results: Strengths and weaknesses of the different standards, specifications, and approaches have been studied and summarized. Migration pathways for re-using and harmonizing the available materials as well as for formally defining standards development roadmaps can be derived. Conclusions: For providing interoperable and sustainable EHR systems, an EHR architecture reflecting all paradigms of the GCM is absolutely necessary. The resulting EHR solution represents a services architecture of distributed components. The development process shall be completely model-driven and tool-based with formalized specifications of all domains’ aspects.

Geospatial Service Composition in Grid Environments

2011 ◽  
pp. 332-363 ◽  
Author(s):  
Tino Fleuren ◽  
Paul Müller
Keyword(s):  
Service Composition ◽  
Centralized Control ◽  
Service Orchestration ◽  
Parallel Tasks ◽  
Distributed Components ◽  
Grid Environments ◽  
Service Choreography ◽  
Efficient Coupling ◽  
Data Transfers

This chapter presents a workflow enactment system that maintains the robustness of centralized control (using service orchestration), but is enhanced by distributed components called “proxy services” that can communicate with each other to allow for efficient coupling between parallel tasks and avoiding of unnecessary data transfers (using service choreography).

scholarly journals On relative ageing of coherent systems with dependent identically distributed components

2020 ◽  
Vol 52 (1) ◽  
pp. 348-376
Author(s):  
Nil Kamal Hazra ◽  
Neeraj Misra
Keyword(s):  
Sufficient Conditions ◽  
System Level ◽  
Hazard Rates ◽  
Coherent System ◽  
Coherent Systems ◽  
Component Level ◽  
Distributed Components ◽  
Two Systems

AbstractRelative ageing describes how one system ages with respect to another. The ageing faster orders are used to compare the relative ageing of two systems. Here, we study ageing faster orders in the hazard and reversed hazard rates. We provide some sufficient conditions for one coherent system to dominate another with respect to ageing faster orders. Further, we investigate whether the active redundancy at the component level is more effective than that at the system level with respect to ageing faster orders, for a coherent system. Furthermore, a used coherent system and a coherent system made out of used components are compared with respect to ageing faster orders.

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