最后，分析了网通宽带城域网，提出了IPTV承载网的改造和建设方案。
Finally, analyzed the net to pass the wide band metropolitan area network, proposed the IPTV load bearing network transformation and the construction plan.
本文讨论了宽带城域网的概念、义，并针对宽带城域接入网的功能结构模型进行了探讨。
This paper introduces the concept and definition of broadband metropolitan area network, then discusses the functional architecture model of broadband metropolitan access network.
最后，本文通过对宽带城域网现状的分析，结合前面的研究，设计了IPTV承载网解决方案。
Finally, this text combines preceding research through an analysis of land network current situation of broadband city, bear the weight of the solution of the network after designing IPTV.
最后，结合宽带城域网建设的关键技术和大连宽带城域网现状，给出该教育联网项目的关键问题解决及具体实施方案。
Finally, with the key technologies of Dalian Metropolitan Area Broadband situation, the paper gives the solving of key networking project of the education problem and the specific implementation plan.
论文中设计和实现了一种城域内企业网大带宽专线互联方案，采用基于宽带城域网的MPLSVPN技术来进行数据传输租线业务实现。
This thesis has designed a kind of big net width data line for the service of data transmission based on wideband Metropolitan Area Network(MAN)'s MPLS VPN technology.
文章首先介绍了IEEE 802.16a协议和无线宽带城域网系统结构，并对基于此协议的无线宽带城域网络移动电子商务系统结构进行了研究。
This dissertation introduces IEEE Std 802.16a and broadband wireless systems(BWS), Mobile E-business system infrastructure development based on IEEE 802.16A for BMAN is introduced too.
本文介绍了802.16系列标准与规范的制定过程， 比较了802.16和802.11在技术特点和市场定位方面的不同，并分析了无线宽带城域网产品未来的市场发展前景。
The evolution of IEEE 802.16 standards are introduced, and the differences between 802.16 and 802.11, as well as the prospective of related products, are analyzed.
用宽带接入服务器(BAS)作为分布式审计代理实现城域网(MAN)上的主动式安全审计系统。
A broadband access server (BAS) was used as auditing agent to implement a distributed security auditing system on metropolitan area network (DSASMAN).
城域网必须具备大容量、高带宽、多业务、高可靠性等能力，从而实现骨干层层面的宽带IP化业务支持能力。
MAN must possess large capacity, high-bandwidth, multi-service and high reliability to achieve broadband IP service suppont capabilites on backbone layer.
宽带IP城域网是电信运营商在城域范围内建设的城市IP骨干网络，它是城市重要的信息基础设施。
The wide band IP MAN is a central IP network built by telecommunication company within the scope of metropolitan area, it is the city important information infrastructure.
可是IP城域网宽带接入网络的建设模式和相应的技术策略因为业务的特点不同，呈现出很多的变化。
However, the network model and corresponding technology strategy of MAN IP broadband access network present variety variously due to different operation characteristics.
可是IP城域网宽带接入网络的建设模式和相应的技术策略因为业务的特点不同，呈现出很多的变化。
However, the network model and corresponding technology strategy of MAN IP broadband access network present variety variously due to different operation characteristics.
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