Ciprian Dobre

Ciprian Dobre, PhD, is assistant professor of the Computer Science and Engineering Department of the University Politehnica of Bucharest (UPB). The main fields of expertise are Grid Computing, Monitoring and Control of Distributed Systems, Modeling and Simulation, Networking, Parallel and Distributed Algorithms. He is involved in a number of national projects (CNCSIS, GridMOSI, MedioGRID, PEGAF) and international projects (MonALISA, MONARC, VINCI, VNSim, EGEE, SEE-GRID, EU-NCIT). He is actively collaborating with Oracle from which he received a PhD grant of excellence. His PhD thesis was oriented on Large Scale Distributed System Simulation. His research activities were awarded with the Innovations in Networking Award for Experimental Applications in 2008 by the Corporation for Education Network Initiatives (CENIC).

Publications

NoSQL Technologies for Real Time (Patient) Monitoring
NoSQL Technologies for Real Time (Patient) Monitoring
Ciprian Dobre, Fatos Xhafa. © 2017. 30 pages.
Today we witness a growing change in how public health administration thinks about medical data. We have slowly moved from paper-based patient records to digitally storing...
NoSQL Technologies for Real Time (Patient) Monitoring
NoSQL Technologies for Real Time (Patient) Monitoring
Ciprian Dobre, Fatos Xhafa. © 2017. 29 pages.
Today we witness a growing change in how public health administration thinks about medical data. We have slowly moved from paper-based patient records to digitally storing...
Employing Opportunistic Networks in Dementia Patient Monitoring
Employing Opportunistic Networks in Dementia Patient Monitoring
Radu-Ioan Ciobanu, Ciprian Dobre. © 2016. 31 pages.
By 2050, 135.5 million people will suffer from dementia worldwide. Ambient Assisted Living (AAL) technologies can help dementia patients enjoy an independent life. In particular...
A Scheduling Scheme for Throughput Optimization in Mobile Peer-to-Peer Networks
A Scheduling Scheme for Throughput Optimization in Mobile Peer-to-Peer Networks
Odysseas Shiakallis, Constandinos X. Mavromoustakis, George Mastorakis, Athina Bourdena, Evangelos Pallis, Evangelos Markakis, Ciprian Dobre. © 2016. 30 pages.
Mobile Cloud Computing (MCC) paradigm includes all the emerging technological advances, mechanisms and schemes for the efficient resource offloading and the energy-efficient...
Causal and Total Order in Opportunistic Networks
Causal and Total Order in Opportunistic Networks
Mihail Costea, Radu-Ioan Ciobanu, Radu-Corneliu Marin, Ciprian Dobre, Constandinos X. Mavromoustakis, George Mastorakis. © 2016. 42 pages.
Opportunistic network applications are usually assumed to work only with unordered immutable messages, like photos, videos or music files, while applications that depend on...
Employing Opportunistic Networks in Dementia Patient Monitoring
Employing Opportunistic Networks in Dementia Patient Monitoring
Radu-Ioan Ciobanu, Ciprian Dobre. © 2015. 31 pages.
By 2050, 135.5 million people will suffer from dementia worldwide. Ambient Assisted Living (AAL) technologies can help dementia patients enjoy an independent life. In particular...
NoSQL Technologies for Real Time (Patient) Monitoring
NoSQL Technologies for Real Time (Patient) Monitoring
Ciprian Dobre, Fatos Xhafa. © 2015. 28 pages.
Today we witness a growing change in how public health administration thinks about medical data. We have slowly moved from paper-based patient records to digitally storing...
Context-Awareness in Opportunistic Mobile Cloud Computing
Context-Awareness in Opportunistic Mobile Cloud Computing
Radu-Corneliu Marin, Radu-Ioan Ciobanu, Radu Pasea, Vlad Barosan, Mihail Costea, Ciprian Dobre. © 2015. 35 pages.
Smartphones have shaped the mobile computing community. Unfortunately, their power consumption overreaches the limits of current battery technology. Most solutions for energy...
A Failure Detection System for Large Scale Distributed Systems
A Failure Detection System for Large Scale Distributed Systems
Andrei Lavinia, Ciprian Dobre, Florin Pop, Valentin Cristea. © 2013. 25 pages.
Failure detection is a fundamental building block for ensuring fault tolerance in large scale distributed systems. It is also a difficult problem. Resources under heavy loads can...
The EU-Services Directive: An eFramework to Optimize Public Administration
The EU-Services Directive: An eFramework to Optimize Public Administration
Ciprian Dobre, Florin Pop, Valentin Cristea. © 2013. 16 pages.
The Point of Single Contact, proposed by the EU Services Directive, is a reliable source of electronic processing of information that facilitates the interaction of citizens with...
Opportunistic Networks: A Taxonomy of Data Dissemination Techniques
Opportunistic Networks: A Taxonomy of Data Dissemination Techniques
Radu Ioan Ciobanu, Ciprian Dobre. © 2013. 16 pages.
When mobile devices are unable to establish direct communication, or when communication should be offloaded to cope with large throughputs, mobile collaboration can be used to...
A Simulation Model for Large Scale Distributed Systems
A Simulation Model for Large Scale Distributed Systems
Ciprian Dobre. © 2012. 35 pages.
The use of discrete-event simulators in the design and development of Large Scale Distributed Systems (LSDSs) is appealing due to their efficiency and scalability. Their core...
E-Frameworks to Optimize Public Administration Services
E-Frameworks to Optimize Public Administration Services
Decebal Popescu, Nirvana Popescu, Ciprian Dobre. © 2012. 30 pages.
Public administration is subject to major changes affecting many countries, such as the need to implement the European Union Services Directive within the entire EU area. This...
E-Frameworks to Optimize Public Administration Services
E-Frameworks to Optimize Public Administration Services
Decebal Popescu, Nirvana Popescu, Ciprian Dobre. © 2012. 28 pages.
Public administration is subject to major changes affecting many countries, such as the need to implement the European Union Services Directive within the entire EU area. This...
A Failure Detection System for Large Scale Distributed Systems
A Failure Detection System for Large Scale Distributed Systems
Andrei Lavinia, Ciprian Dobre, Florin Pop, Valentin Cristea. © 2011. 24 pages.
Failure detection is a fundamental building block for ensuring fault tolerance in large scale distributed systems. It is also a difficult problem. Resources under heavy loads can...
Large-Scale Distributed Computing and Applications: Models and Trends
Large-Scale Distributed Computing and Applications: Models and Trends
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop, Alexandru Costan. © 2010. 276 pages.
Many applications follow the distributed computing paradigm, in which parts of the application are executed on different network-interconnected computers. The extension of these...
A General Framework for the Modeling and Simulation of Grid and P2P Systems
A General Framework for the Modeling and Simulation of Grid and P2P Systems
Ciprian Dobre. © 2010. 29 pages.
The field of modeling and simulation was long seen as a viable alternative to develop new algorithms and technologies and to enable the development of large-scale distributed...
Introduction
Introduction
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 22 pages.
The general presentation of Large Scale Distributed Computing and Applications can be done from different perspectives: historical, conceptual, architectural, technological...
Architectures for Large Scale Distributed Systems
Architectures for Large Scale Distributed Systems
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 24 pages.
This chapter introduces the macroscopic views on distributed systems’ components and their inter-relations. The importance of the architecture for understanding, designing...
Communication
Communication
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 28 pages.
Communication in large scale distributed systems has a major impact on the overall performance and widely acceptance of such systems. In this chapter we analyze existing work in...
Resource Management
Resource Management
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 16 pages.
The resource management is an important component in LSDS implemented for a variety of architectures and services. This chapter considers the management of distributed resources...
Scheduling
Scheduling
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 20 pages.
This chapter presents the scheduling problem in large scale distributed systems. Most parts of the chapter are devoted to discussion of scheduling algorithms and models. The main...
Data Storage, Retrieval and Management
Data Storage, Retrieval and Management
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 30 pages.
The latest advances in network and distributedsystem technologies now allow integration of a vast variety of services with almost unlimited processing power, using large amounts...
Monitoring and Controlling Large Scale Systems
Monitoring and Controlling Large Scale Systems
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 27 pages.
The architectural shift presented in the previous chapters towards high performance computers assembled from large numbers of commodity resources raises numerous design issues...
Fault Tolerance
Fault Tolerance
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 26 pages.
The domains of usage of large scale distributed systems have been extending during the past years from scientific to commercial applications. Together with the extension of the...
Security
Security
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 23 pages.
Security in distributed systems is a combination of confidentiality, integrity and availability of their components. It mainly targets the communication channels between users...
Application Development Tools and Frameworks
Application Development Tools and Frameworks
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 18 pages.
Large scale distributed systems are used for executing a wide variety of applications; while the first distributed applications were from the scientific area, today many of them...
Applications
Applications
Valentin Cristea, Ciprian Dobre, Corina Stratan, Florin Pop. © 2010. 18 pages.
This chapter covers the subject of application in LSDS. The chapter is organized in two parts. The chapter parts present two aspect of application in LSDS: the overview of...