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CA-ITTP: AN EFFICIENT METHOD TO AGGREGATE VOIP PACKETS OVER ITTP PROTOCOL

机译:CA-ITTP:通过ITTP协议聚合VoIP数据包的有效方法

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摘要

Over the last twenty years, Voice over IP (VoIP) was engendered as a new technology to carry voice calls over IP networks. However, VoIP suffers from some problems that hinder its spreading. One of the key problems is the large header of the VoIP packet in comparison to the packet payload, which dissipates the network bandwidth. The main solution of the VoIP packet overhead is packet aggregation methods, in which several VoIP packets that share the same path are aggregated in one header. In this article, we have proposed a new method, named Compression-Aggregation over ITTP (CA-ITTP). As the name implies, CA-ITTP works with the ITTP protocol. The CA-ITTP consist-s of Sender-Compression-Aggregation (SCA) and Receiver-Compression-Deaggregation (RCD) components. SCA aggregates the packets at the sender side VoIP gateway. RCD de-aggregates the packets at the receiver side VoIP gateway. The results showed that the CA-ITTP nearly halves the bandwidth consumption, in comparison to the traditional ITTP without aggregation.
机译:在过去的二十年中,IP的声音(VoIP)被加工作为一种新技术,以通过IP网络携带语音呼叫。然而,VoIP遭受了一些妨碍其蔓延的问题。其中一个关键问题是与数据包有效载荷相比,VoIP数据包的大标题,其消除了网络带宽。 VoIP数据包开销的主要解决方案是分组聚合方法,其中,共享相同路径的多个VoIP数据包在一个标题中聚合。在本文中,我们提出了一种新的方法,以ITTP(CA-ITTP)命名为压缩聚合。顾名思义,CA-ITTP适用于ITTP协议。 CA-ITTP组成的Sender-Compression-aggregation(SCA)和接收器 - 压缩 - 分析(RCD)组件。 SCA汇总了发送者侧VoIP网关的数据包。 RCD在接收器侧VoIP网关处取消聚合数据包。结果表明,与传统ITTP没有聚合的传统ITTP相比,CA-ITTP几乎降低了带宽消耗。

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