A Lightweight Application-Layer Signaling Protocol

2009 First Asian Conference on Intelligent Information and Database Systems Pub Date : 2009-04-01 DOI:10.1109/ACIIDS.2009.47

T. Kitamura, Takayuki Shizuno, T. Okabe, H. Tani

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Abstract

The session Initiation Protocol (SIP) is a widely used application-layer control protocol. The processing load of the SIP protocol is reportedly seen as one of the potential problems which may limit the range of its application although it has a number of advantages. Many research efforts have been made and have come up with various compression algorithms to reduce the packet size in order not to waste scarce bandwidth especially for wireless access networks. However, they increase the processing load at the same time. We propose a lightweight application-layer signaling protocol (lightweight-SIP) which reduces network bandwidth without sacrificing CPU performance by introducing a gateway which translates SIP into the proposed protocol. The gateway works as a cache for static and lengthy header fields of SIP messages. We expect the proposed protocol to be used by low-spec devices such as sensor nodes, less-expensive surveillance cameras and wearable computers so that it could reduce the energy consumption and lengthening the battery life or loosen requirements for the hardware specs.

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一种轻量级应用层信令协议

SIP (session Initiation Protocol)是一种应用广泛的应用层控制协议。尽管SIP协议有许多优点，但它的处理负载被认为是限制其应用范围的潜在问题之一。为了不浪费有限的带宽，特别是在无线接入网络中，人们做了许多研究工作，并提出了各种压缩算法来减小数据包的大小。然而，它们同时也增加了处理负载。我们提出了一种轻量级的应用层信令协议(轻量级SIP)，通过引入一个网关将SIP转换为提议的协议，在不牺牲CPU性能的情况下减少网络带宽。网关作为SIP消息的静态和冗长报头字段的缓存。我们希望提议的协议可以用于低规格的设备，如传感器节点、较便宜的监控摄像头和可穿戴计算机，这样就可以降低能耗，延长电池寿命，或者放松对硬件规格的要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2009 First Asian Conference on Intelligent Information and Database Systems

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