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无线技术的优势及应用

1、简介
由于无线技术有许多优势并且应用广泛，它的使用量在很短时间内急剧增长。正因如此，无线技术在无线通信和移动技术多接口架构中得到广泛应用。随着无线技术的快速更新，大多数研究都将焦点集中于如何提高无线技术的有效利用率。所以，所有的研究人员都主要考虑多宿主、多通道、多跃点、多接口、多路由以及无线网状网络的建立。为实现这些高科技，人们设计和应用了复杂的架构，专家们无不需要支持模拟装置。NS2就挺好用的。这套模拟工具功能强大，很多专家和工程师都用它工作。

在本文中，我们将概览一下无线多宿主网络和NS2的应用方法。移动自组织网络和无线传感器网络最近几年都很流行。多宿主网络属于移动自组织网络的子设备。所以多宿主网络的应用对无线移动自组织网络和传感器网络来说也很有用。多宿主网络的基本原理是多个IP地址分配的节点可以在不同的界面同时工作。

I. 简介——Introduction

Through several advantages and usages of wireless technology, it has got a huge growth within the short time period. Because of this reason, the wireless technology has widespread in Wireless communication and Mobile Technology multiple interface architecture. By the rapid change of this wireless technology, most of the researches mainly focus on the wireless efficient usage and utilization. So all the research professionals mainly consider about multi-homed, multi-channel, multi hop, multi interface, multi-route and wireless mesh network. For this all advanced technology, complex architecture development and for the implementation, all the experts require a supportive simulator. That could be a NS2. This simulating tool is a very power full and most widely used by the professionals and the engineers.

In this paper we are going to have a look on Wireless Multi homed network and the methods of implementation in NS2. Mobile Ad-hoc Network and Wireless sensor network are very famous among us in recent days. The Multi homed network is one of the subset of Mobile Ad-hoc network. So the implementation of Multi-home network is useful for wireless Ad-hoc and sensor network too. The basic idea of Multi homed network is a single node which is assigned by multiple IP address and it is able to work simultaneously in different interfaces. Or ability of a single end point support for multiple IP address by multiple interfaces or multiple network channels. By using above basic idea I have implemented this in NS2. At the same time NS2 is supportive for new protocols.

The Multi home nodes are functioning as transaction point in heterogeneous network. This may help in several ways. For example; To communicate between old network and newly added network or communicate with other different networks. If one of the link fails, that can't be reachable. But by using other IP address the destination should be reachable. So this Multi homed network is very important not only for heterogeneous network [6] but for all the wireless networks. For this I can able to use Stream Control Transmission Protocol (SCTP). However using SCTP is very rare in practice.

The rest of the paper is organized as follows. Section II presents about the links which is most related with this title. Section III illustrates the functionality with simple scenario. Section III(A) gives the analysis part of simulation codes. Section III(B) supports the explanation of short form and some additional part which you have to do to run the source file. Finally summary is given in section IV.

II.相关工作——Related works

A. portal.acm.org
ACM, this is [2] the world's largest educational and scientific computing society, it is providing resources for computing science and profession. And it provides digital library for its members who have discovered the computing rel