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VoIP Networks Performance Analysis with Encryption Systems

By Edward Paul Guillen, Diego Alej and Ro Chacon

Abstract

Abstract—The VoIP networks as alternative method to traditional PSTN system has been implemented in a wide variety of structures with multiple protocols, codecs, software and hardware–based distributions. The use of cryptographic techniques let the users to have a secure communication, but the calculate throughput as well as the QoS parameters are affected according to the used algorithm. This paper analyzes the VoIP throughput and the QoS parameters with different commercial encryption methods. The measurement–based approach uses lab scenarios to simulate LAN and WAN environments. Security mechanisms such as TLS, SIAX2, SRTP, IPSEC and ZRTP are analyzed with µ-LAW and GSM codecs

Topics: Secure VoIP, Throughput Analysis, VoIP QoS evaluation
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.3735
Provided by: CiteSeerX
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