Enhancing Bandwidth Utilization of IP Telephony Over IPv6 Networks |
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| Authors: | Hani Al-Mimi Yousef Alrabanah Mosleh M. Abualhaj Sumaya N. Al-khatib |
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| Affiliation: | 1 Al-Zaytooanh University of Jordan, Faculty of Science and Information Technology, Department of Cybersecurity, Amman, 11733, Jordan2 Al-Ahliyya Amman University, Faculty of Information Technology, Department of Software Engineering, Amman, 19328, Jordan3 Al-Ahliyya Amman University, Faculty of Information Technology, Department of Networks and Information Security, Amman, 19328, Jordan |
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| Abstract: | The demand for the telecommunication services, such as IP telephony, has increased dramatically during the COVID-19 pandemic lockdown. IP telephony should be enhanced to provide the expected quality. One of the issues that should be investigated in IP telephony is bandwidth utilization. IP telephony produces very small speech samples attached to a large packet header. The header of the IP telephony consumes a considerable share of the bandwidth allotted to the IP telephony. This wastes the network's bandwidth and influences the IP telephony quality. This paper proposes a mechanism (called Smallerize) that reduces the bandwidth consumed by both the speech sample and the header. This is achieved by assembling numerous IP telephony packets in one header and use the header's fields to carry the speech sample. Several metrics have been used to measure the achievement Smallerize mechanism. The number of calls has been increased by 245.1% compared to the typical mechanism. The bandwidth saving has also reached 68% with the G.28 codec. Therefore, Smallerize is a possible mechanism to enhance bandwidth utilization of the IP telephony. |
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| Keywords: | –IP telephony codec bandwidth utilization IPv6 |
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