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1、软交换中网络安全的研究摘 要随着下一代网络的发展，各大运营商积极实行软交换商化的同时，如何提供一个安全可靠的网络是网络建设过程中所必须要考虑到的问题，尤其对于软交换这样一个运营系统而言，安全问题显得尤为重要。由于软交换网络的研究是刚刚发展起来的领域，所以目前这方面的研究还不够成熟。以软交换为核心的下一代网络一直是研究的热点，不仅设备制造商投人大量的金钱和人力研发设备，而且电信运营商也开展大量的测试和实验。用来验证设备的稳定性、协议的标准化程度以及规模组网的可行性。本文的研究目标就是针对软交换中的安全隐患提供一个解决方案，对软交换的网络安全起到了一定的保护作用，并且实现 IPSec 和 NAT
2、的兼容以及 NAT 在软交换网络中的穿越。并且以浙江移动网络为例，提出具体的解决方案，并且通过预留模块说明，保证了设计方案具有良好的可扩展性。本文以软交换中网络安全技术为研究方向，第一章对课题的背景、研究的动向和研究的内容进行分析；第二章为软交换技术的概念、功能结构、网络结构、协议及安全隐患进行论文；第三章是对软交换安全组网进行研究；第四章以浙江移动网络为例论述安全组网在实际中的效果；第五章对全文作出总结和研究展望。关键字：软交换；网络安全；NGN；通讯网IN SOFT EXCHANGE NETWORK SECURITY RESEARCHABSTRACTAlong with the next
3、generation network development, each big operationbusiness positively implements soft exchange business at the sametime, how provides a security reliable network is in the networkconstruction process must have to consider the question, especiallyregarding softly exchanges this kind of operation syst
4、em to say, thesecurity problem appears especially importantly. Because softlyexchanges the domain which the network the research was just develops,therefore the present this aspect research insufficiently is alsomature. Take the soft exchange as the core next generation networkalways is the research
5、 hot spot, not only the equipment manufacturerthrows the person massive moneys and the manpower research anddevelopment equipment, moreover telecommunication operation businessalso carries out the massive tests and the experiment. Uses for toconfirm the equipment the stability, the agreement standar
6、dized degreeas well as the scale network feasibility 。This article research aim is aims at in the soft exchange the securityhidden danger to provide a solution, got up the certain protectivefunction to the soft exchange network security, and realized IPSec andNAT is compatible as well as NAT in soft
7、 exchange network passingthrough. And take the Zhejiang migration network as the example,proposes the concrete solution, and through reserves the module toexplain, had guaranteed the design proposal has good may theextension.This article take the soft exchange in the network security technologyas th
8、e research direction, the first chapter to the topic background,the research trend and the research content carries on the analysis;Second chapter for the soft exchange technology concept, the functionstructure, the network architecture, the agreement and the securityhidden danger carries on the pap
9、er; Third chapter is conducts theresearch to the soft exchange security network; Fourth chapter takeZhejiang migration network as example elaboration security network inactual center effect; Fifth chapter makes the summary and the researchforecast to the full text.KEY WORDS: Soft exchange; Network s
10、ecurity; NGN; Communications net目 录1 绪论 .81.1 课题背景 .81.2 研究软交换中网络安全的意义 .101.3 国内外对软交换网络安全方面研究的现状及发展趋势 .111.3.1 国外的主要发展动态 .111.3.2 国内的发展动态 .111.4 研究的主要内容 .121.4.1主要研究内容 .121.4.2 研究方案及技术路线 .132 软交换的安全问题剖析 .142.1 软交换的概念 .142.2 软交换的功能结构 .152.3 软交换网络的安全隐患 .162.3.1 终端设备安全威胁 .162.3.2 网络安全威胁 .162.3.3 关键设备安全威胁 .162.3.4 信息安全威胁 .172.4 本章小节 .173软交换网络安全的研究与实现 .183.1 组网的业务理论和实现原则 .
