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1·The optical Ethernet extends Ethernet technologies from LAN to metropolitan area network(MAN).

光纤以太网把以太网技术扩展到LAN之外，进入城域网（MAN） 。

2·This paper puts forward a Linear Optical Network protocol (LONP) based on Metropolitan Area Network (MAN) protocol DQDB.

在城域网协议DQDB的基础上提出线型光网络协议LONP，组网方式是该协议中的重要一环。

3·Based on the currently practical technologies, the author study the development history of Tietong IP Metropolitan Area Network.

基于主流技术，作者研究了铁通IP城域网的演进思路。

4·A broadband access server (BAS) was used as auditing agent to implement a distributed security auditing system on metropolitan area network (DSASMAN).

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。

5·Finally, analyzed the net to pass the wide band metropolitan area network, proposed the IPTV load bearing network transformation and the construction plan.

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。

6·In this thesis the research of a Metro ASON design is carried out which is combined with Dalian Netcom Metropolitan Area Network (MAN) actual construction engineering.

本文结合大连网通城域网建设的实际工程，进行了城域网中的智能光网络的设计研究。

7·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.

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MPLS VPN技术来进行数据传输租线业务实现。

8·This paper introduces the concept and definition of broadband metropolitan area network, then discusses the functional architecture model of broadband metropolitan access network.

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。

9·The IP Metropolitan Area Network is a kind of IP network in a city , being a part of the Internet, IP Metropolitan Area Network provides customers with various business based on IP.

IP城域网是一个城市地域范围内的IP网络，作为互联网的一部分，为用户提供基于IP的各种业务。

10·MAN (Metropolitan Area Network) traffic has advanced by leaps and bounds, making its characteristics change drastically and requiring its mathematical model to change also accordingly.

随着城域网流量的急剧增长，网络流量的特征发生了很大改变，因而网络流量的数学模型也需要随之改变。

城域网

1·A broadband access server (BAS) was used as auditing agent to implement a distributed security auditing system on metropolitan area network (DSASMAN).

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。

2·The optical Ethernet extends Ethernet technologies from LAN to metropolitan area network(MAN).

光纤以太网把以太网技术扩展到LAN之外，进入城域网（MAN） 。

3·Based on the currently practical technologies, the author study the development history of Tietong IP Metropolitan Area Network.

基于主流技术，作者研究了铁通IP城域网的演进思路。

4·Finally, analyzed the net to pass the wide band metropolitan area network, proposed the IPTV load bearing network transformation and the construction plan.

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。