Evaluation of the firewall influence on the session initiation by the SIP multimedia protocol

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Abstract

Firewalls is one of the major components to provide network security. By using firewalls, you can solve such problems as preventing unauthorized access, and deleting, modifying and/or distributing information under protection. The process of information flows filtration by a firewall introduces additional time delays, thus possibly leading to disruption of stable operation of the protected automated system or to inaccessibility of the services provided by the system. Multimedia services are particularly sensitive to service time delays. The main purpose of the work presented in this paper is to evaluate the influence of the firewall on the time delays in data transmission process in the automated system with multimedia data transmission protocols. The evaluation is provided by the queuing theory methods while a session is initiated between two users by the Session Initiation Protocol (SIP) with firewall message filtration. A firewall is a local or functional distributing tool that provides control over the incoming and/or outgoing information in the automated system (AS), and ensures the protection of the AS by filtering the information, i.e., providing analysis of the information by the criteria set and making a decision on its distribution.

About the authors

Anatoly Y. Botvinko

Peoples’ Friendship University of Russia (RUDN University)

Author for correspondence.
Email: botviay@sci.pfu.edu.ru
ORCID iD: 0000-0003-1412-981X

postgraduate of Department of Applied Probability and Informatics

6, Miklukho-Maklaya St., Moscow, 117198, Russian Federation

Konstantin E. Samouylov

Peoples’ Friendship University of Russia (RUDN University); Research Center “Computer Science and Control” of the Russian Academy of Sciences

Email: samuylov-ke@rudn.ru
ORCID iD: 0000-0002-6368-9680

Doctor of Technical Sciences, Professor, Head of Department of Applied Probability and Informatics

6, Miklukho-Maklaya St., Moscow, 117198, Russian Federation; 44-2, Vavilov St., Moscow, 119333, Russian Federation

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