George Milescu

Utilizarea Sistemelor de Operare

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Page 1. Răzvan Rughiniş Răzvan Deaconescu George Milescu Mircea Bardac melor erare fidllur* PR1 P... more

PhD Thesis

systems.cs.pub.ro

Overlay networks are basic foundations on top of which P2P protocols are built. The current thesi... more

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OPTIMIZATION OF PERFORMANCE MONITORING AND ATTACK DETECTION IN ALL OPTICAL NETWORKS

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Articolul propune optimizări în abordarea provocărilor curente în monitorizarea performanţelor şi... more Articolul propune optimizări în abordarea provocărilor curente în monitorizarea performanţelor şi detectarea atacurilor în reţelele integral optice (AON), centrându-se pe riscurile de securitate care derivă din infrastructura optică. Pornind de la discutarea metodelor de testare, a metricilor şi a tehnologiilor disponibile pentru prevenirea atacurilor în AON, articolul evidenţiază principalele vulnerabilităţi şi soluţii posibile in metodele de monitorizare si detectare a atacurilor, propunând o abordare bazată pe eşantionarea semnalelor de probă. Eşantionarea aleatoare introduce economii semnificative, estimate statistic, în efortul de monitorizare.

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Simulating connection dropouts in BitTorrent environments

… Conference on Computer …, Jan 1, 2011

AbstractWith the advance of Peer-to-Peer solutions, research and commercial players have shown i... more

Versatile Configuration and Deployment of Realistic Peer-to-Peer Scenarios

ICNS 2011, The Seventh …, Jan 1, 2011

With the advance of Peer-to-Peer solutions, research and commercial players have shown interest i... more With the advance of Peer-to-Peer solutions, research and commercial players have shown interest in enhancing local client and overall swarm performance in order to improve content distribution and user satisfaction. Protocol measurements and careful client and swarm behavior analysis are required to provide valuable information on improving performance. In this paper, we present a Peer-to-Peer testing infrastructure that enables easy deployment of complete and controlled BitTorrent swarms. The infrastructure allows a variety of realistic scenarios to be run with the ability to configure characteristics such as client type, bandwidth management, churn rate and number of connections.

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OpenPh-numerical physics library

Arxiv preprint arXiv:1106.5304, Jan 1, 2011

Deploying a High-Performance Context-Aware Peer Classification Engine

ICNS 2011, The Seventh …, Jan 1, 2011

This research presents a generic approach for context-aware entity classification with emphasis o... more This research presents a generic approach for context-aware entity classification with emphasis on integration and use of contextual information in Peer-to-Peer systems. The designed peer classification engine isolates high-latency update processes in order to minimize the latencies of the lookup queries. By using a key-value data-store with support for sorted sets, high complexity context-classifying functions can be executed asynchronously without impacting the lookup queries. The performance of the system is evaluated through experimental and complexity analysis, identifying directions for improving and scaling the peer classification engine. As ubiquitous computing evolves and becomes part of everyday life, the designed contextaware classification engine provides a basis for deploying the next-generation network-based services.

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Swarm metrics in peer-to-peer systems

… Conference (RoEduNet), 2010 …, Jan 1, 2010

Peer-to-Peer systems appeared as a natural evolution of the distributed systems area. Respecting ... more

A Distributed File System Model for Shared, Dynamic and Aggregated Data

17th International Conference …, Jan 1, 2009

... Shared, Dynamic and Aggregated Data Mircea Bardac, George Milescu, Razvan Rughinis University... more

Monitoring a BitTorrent Tracker for Peer-to-Peer System Analysis

Intelligent Distributed Computing III, Jan 1, 2009

Abstract. This paper introduces a BitTorrent tracker monitoring architecture and implementation. ... more

A virtualized infrastructure for automated bittorrent performance testing and evaluation

… Journal on Advances …, Jan 1, 2009

In the last decade, file sharing systems have generally been dominated by P2P solutions. Whereas ... more In the last decade, file sharing systems have generally been dominated by P2P solutions. Whereas email and HTTP have been the "killer apps" of the earlier Internet, a large percentage of the current Internet backbone traffic is BitTorrent traffic . BitTorrent has proven to be the perfect file sharing solution for a decentralized Internet, moving the burden from central servers to each individual station and maximizing network performance by enabling unused communication paths between clients.

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