Impact of jitter and jitter buffer on the final quality of the transferred voice

Slavata, Oldrich; Holub, Jan; Hubner, Pavel

doi:10.1109/idaacs-sws.2012.6377648

Cited by 2 publications

(2 citation statements)

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“…3) Jitter: Jitter is defined as the end-to-end transmission delay difference between selected packets in the same packets stream, without taking into account of eventually lost packets [23], [24]. This parameter is important for a voice application because if the transmission delay varies for a VoIP conversation, the voice quality will be degraded.…”

Section: B Simulation Parametersmentioning

confidence: 99%

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Performance Evaluation of IPv4/IPv6 Transition Mechanisms for Real-Time Applications using OPNET Modeler

Khadiri¹,

Labouidya²,

Elkamoun³

et al. 2018

ijacsa

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The problem of the potential depletion of IPv4 addresses has given rise to the development of a new version of the Internet Protocol named IPv6. This version of the protocol offers many improvements, including an increase in the address space from 2 32 to 2 128 and improvements in security, mobility, and quality of service. However, the transition from the current version to the new version (IPv4 to IPv6) is complicated and cannot be performed in a short time. The size and complexity of Internet make this migration task extremely difficult and timeconsuming. The Internet Engineering Task Force (IETF) took into account this migration problem and proposed transition mechanisms as temporary solutions allowing IPv4 to coexist and operate in parallel with IPv6 networks. The dual stack, manual tunnel, and 6to4 automatic tunnel appear to be promising solutions depending on their characteristics and benefits. In this paper, we study the performance of these transition mechanisms on real-time applications (VoIP and Video Conferencing) using the network simulator OPNET Modeler. Performance parameters such as delay, delay variation, jitter, MOS, and packet loss are measured for these transition mechanisms. The obtained results showed that the dual stack transition mechanism gave better network performance than the tunneling mechanisms.

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Section: B Simulation Parametersmentioning

confidence: 99%

“…That is an important indicator for assessing the quality of a voice application [24] by giving it one of these values (1, 2, 3, 4, 5) where 5 indicates excellent quality and 1 indicates poor quality.…”

Section: ) Mosmentioning

confidence: 99%