VoIP

Pedram Radman, Jaipal Singh, Marc Domingo, Joan Arnedo, Alex Talevski
2010 Proceedings of the 8th International Conference on Advances in Mobile Computing and Multimedia - MoMM '10  
Modern multimedia communication tools must have high security, high availability and high quality of service (QoS). Any security implementation will directly impact on QoS. This paper will investigate how end-to-end security impacts on QoS in Voice over Internet Protocol (VoIP). The QoS is measured in terms of lost packet ratio, latency and jitter using different encryption algorithms, no security and just the use of IP firewalls in Local and Wide Area Networks (LAN and WAN). The results of
more » ... ratory tests indicate that the impact on the overall performance of VoIP depends upon the bandwidth availability and encryption algorithm used. The implementation of any encryption algorithm in low bandwidth environments degrades the voice quality due to increased loss packets and packet latency, but as bandwidth increases encrypted VoIP calls provided better service compared to an unsecured environment.
doi:10.1145/1971519.1971532 dblp:conf/momm/RadmandSDAT10 fatcat:leaisxdjwncrbpivdc2bb5do64