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QoS and Performance Evaluation for SIP-Based VoIP Over DMO

QoS and Performance Evaluation for SIP-Based VoIP Over DMO

Mazin I. Alshamrani, Ashraf A. Ali
Copyright: © 2017 |Pages: 35
ISBN13: 9781522521136|ISBN10: 1522521135|EISBN13: 9781522521143
DOI: 10.4018/978-1-5225-2113-6.ch005
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MLA

Alshamrani, Mazin I., and Ashraf A. Ali. "QoS and Performance Evaluation for SIP-Based VoIP Over DMO." Multimedia Services and Applications in Mission Critical Communication Systems, edited by Khalid Al-Begain and Ashraf Ali, IGI Global, 2017, pp. 80-114. https://doi.org/10.4018/978-1-5225-2113-6.ch005

APA

Alshamrani, M. I. & Ali, A. A. (2017). QoS and Performance Evaluation for SIP-Based VoIP Over DMO. In K. Al-Begain & A. Ali (Eds.), Multimedia Services and Applications in Mission Critical Communication Systems (pp. 80-114). IGI Global. https://doi.org/10.4018/978-1-5225-2113-6.ch005

Chicago

Alshamrani, Mazin I., and Ashraf A. Ali. "QoS and Performance Evaluation for SIP-Based VoIP Over DMO." In Multimedia Services and Applications in Mission Critical Communication Systems, edited by Khalid Al-Begain and Ashraf Ali, 80-114. Hershey, PA: IGI Global, 2017. https://doi.org/10.4018/978-1-5225-2113-6.ch005

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Abstract

In this chapter, analyses for the performance metrics that define the quality of service (QoS) of SIP-based VoIP will be introduced. SIP-based VoIP applications over Direct Mode of Operation (DMO), which behaves in a way similar to Mobile Ad-hoc Network (MANET) systems, have three main performance categories related to the QoS. These categories are the SIP signaling, voice data transmission, and MANET routing. The SIP signaling controls the VoIP calls initiation, termination, and modifications. The major QoS parameters of VoIP that are managed by SIP signaling are the registration intervals, call setup time, and call termination time. These QoS parameters are increased in MANET due to the nodes' mobility that affects the routing calculations and the connectivity status. These necessitate mechanisms to reduce the delays in the MANET environment. The voice packets are transferred over the Real Time Protocol (RTP) which is encapsulated in the unreliable transport protocol using the User Datagram Protocol (UDP).

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