The Methods to Improve Quality of Service by Accounting Secure Parameters

Abstract

A solution to the problem of ensuring quality of service, providing a greater number of services with higher efficiency taking into account network security is proposed. In this paper, experiments were conducted to analyze the effect of self-similarity and attacks on the quality of service parameters. Method of buffering and control of channel capacity and calculating of routing cost method in the network, which take into account the parameters of traffic multifractality and the probability of detecting attacks in telecommunications networks were proposed. The both proposed methods accounting the given restrictions on the delay time and the number of lost packets for every type quality of service traffic. During simulation the parameters of transmited traffic (self-similarity, intensity) and the parameters of network (current channel load, node buffer size) were changed and the maximum allowable load of network was determined. The results of analysis show that occurrence of overload when transmitting traffic over a switched channel associated with multifractal traffic characteristics and presence of attack. It was shown that proposed methods can reduce the lost data and improve the efficiency of network resources.

Security Methods to Improve Quality of Service

“…Attackers can intercept data transmissions or inject malicious traffic into the network. [5,[16][17][18] Network infrastructure: The network infrastructure that supports the internet, such as routers, switches, and DNS servers, is also vulnerable to attacks. An attacker can exploit vulnerabilities in these devices to gain unauthorized access to the network or disrupt its operations.…”