Internet Telephony Transport Protocol (ITTP) : An Efficient Transport Protocol For Voip Applications
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Date
2011-12
Authors
Abu-Alhaj, Mosleh Mohammad
Journal Title
Journal ISSN
Volume Title
Publisher
Universiti Sains Malaysia
Abstract
Over the past few years, the telecommunications sector started moving towards Voice over Internet Protocol (VoIP) technology. VoIP technology employs the internet infrastructure and protocols to transfer VoIP data between call parties. Typically, the RTP applications layer protocol and the UDP transport layer protocol are bound together to address the VoIP applications requirements. However, the RTP/UDP protocols are used to transfer all types of real-time multimedia applications data such as video conferencing, multimedia streaming, voice data, and so on. Therefore, the RTP/UDP protocols are providing information and algorithms that are not needed by the VoIP applications. This unneeded information and algorithms are causing superfluous delay and packet loss, which results in reducing the VoIP applications quality, and big packet overhead, which results in inefficient bandwidth utilization. In this thesis, we designed a transport protocol, named Internet Telephony Transport Protocol (ITTP), dedicated to carry the VoIP applications data. Unlike the RTP/UDP, the ITTP protocol provides only the information required to transfer the voice data. As such, the ITTP eliminates the superfluous delay and packet loss resulting from RTP/UDP, which improves the VoIP applications quality. In addition, the ITTP reduces the packet header overhead resulting from RTP/UDP, which improves the bandwidth utilization.
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Keywords
Internet telephony transport protocol , efficient transport protocol for voip applications