university of rousse

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An Approach for MPLS Recovery

The ability for fast and reliable selection of a backup path is very important in the modern MPLS based networks. The proposed approach achieves higher levels of fault tolerance, ease of increasing the size of the network and faster recovery after an event of a link or node failure. The...

Tags: Recovery, MPLS, University Of Rousse, Network Technology, Networking

White papers 2007-07-05

Critical Transfer Issues in QoS-C Architecture Models and Session-Based Communication

This paper discusses the major issues and key factors definitions in QoS-C architecture models and session-based communication in MAN environment. Although network parameters as frame delay, frame jitter and packet loss are familiar in computer networks, they are examined in this work as an integrated part of the critical transfer...

Tags: Network, Communication, Session, University Of Rousse, Networking

White papers 2007-07-04

An Analytical Model for Evaluating Utilization of TCP Reno

This paper presents an analytical model for TCP Reno. For this model an algorithm is derived to calculate the utilization and packet drop rate. The accuracy of the model is verified by comparing the calculated results versus simulation results. These results show that the TCP Reno is superior to another...

Tags: Utilization, TCP, Model, University Of Rousse, Tcp/Ip, Networking

White papers 2007-07-04

About Some Applications of Hidden Markov Model in Intrusion Detection Systems

Intrusion Detection Systems IDS protect the computer networks such as a burglar alarm system against unauthorized access. The present paper introduces an approach to anomaly IDS based on Hidden Markov Models. The point is to process the sequences of system calls in order to distinguish the normal traces of system...

Tags: Intrusion Detection System, University Of Rousse, Intrusion Detection, Network Security, Security, Networking

White papers 2006-07-06

Avoiding IP Fragmentation at the Transport Layer of the OSI Reference Model

The heterogeneous nature of the Internet communications is transparent for the end user. One of the factors determining the transit delays is the presence of fragmentation and reassembly of the IP datagrams. The modern recommendations regarding the IP fragmentation process is to avoid it. There are different possibilities regarding the...

Tags: OSI, Fragmentation, IP, University Of Rousse, Network Technology, Networking

White papers 2006-07-06

A Simulation Analysis of the TCP Control Algorithms

The paper focuses on the different congestion control mechanisms implemented by the Transmission Control Protocol TCP. The publication presents an experimental estimation of the following TCP control algorithms: Slow-Start and Congestion Avoidance without Fast Retransmit, Tahoe that includes Fast Retransmit and Fast Recovery, and Reno using a modified version of...

Tags: Algorithm, TCP, Analysis, University Of Rousse, Transmission Control Protocol Performance Analysis, Tcp/Ip, Networking

White papers 2005-07-05