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分组传输网(PTN)组网应用

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分组传输网(PTN)组网应用(12600字)
摘要
摘要:随着新型业务的大量涌现和网络规模的飞速膨胀,通信行业的融合趋势表现的益加突出。移动网络架构从2G到3G后续向4G演进,移动网络在向IP化,宽带化发展的过程中对传输网提出了更高的要求。SDH/MSTP虽然具备高可靠性,高稳定性,易于管理等特点,但3G和全业务运营的来临,使得SDH/MSTP存在承载IP分组业务时效率较低、配置复杂,并且灵活性和扩展性差的弊端难以满足现实需求。而传输网需要灵活,高效和低成本的分组传送平台来实现全业务统一承载和网络融合,所以分组传输网(PTN)技术应用而生。
分组传送网络PTN(Packet Transport Network)不但保持了传统同步数字体系SDH(Synchronous Digital Hierarch)传送网的优点,还增加了适应数据业务的特性,如分组交换、统计复用、采用面向连接的标签交换等。这些特征使得PTN具有很强的传送能力,能够很好地使用于不同业务的需求,从而成为了全球炙手可热的话题。
目前PTN处于标准化状态,各厂家已推出相应PTN设备,各大运营商也开始产品测试,甚至开始建立PTN网络。为此,我们紧跟时代潮流,本论文系统全面介绍PTN关键技术,应用场景,网络定位和部署策略等。最后,论文根据西宁市联通网络现状以及移动,宽带,大客户三大业务网络的承载需求,分析西宁联通城域网目前面临的压力,进而论述PTN技术在西宁市本地传输网建设的必要性和构建西宁市联通城域网组网方案。

[资料来源:Doc163.com]


关键词:分组传送网,城域传送网,T-MPLS, IP ,SDH

Abstract
Abstract: With a large number of new business emerging and the rapid expansion of the scale of the network, the fusion of the communication industry trend of performance: add outstanding. Mobile network architecture from 2 G to 3 G follow-up to the evolution of 4 G, mobile network in to the IP, broadband in the process of development, the transmission to put forward higher request. SDH/MSTP though a high reliability, high stability, easy to management features, but 3 G and all the business operation to come, make SDH/MSTP bearing IP packet when existing business low efficiency, complex configuration, and flexibility and expansibility difference is difficult to meet the disadvantages of the practical needs. Transmission and need to be flexible, efficient and low cost the grouping of platform to realize the transfer business unified carrying and network integration, so packet transmission network (PTN) technology application and life.
[资料来源:www.doc163.com]

    Packet transmission Network (PTN) not only keep the traditional Synchronous Digital system(SDH ) transmission Network advantages, but also increased the data to the nature of the business, such as Packet switching, multiplexing, using connection-oriented label switching, etc. These characteristics make PTN has the very strong transmit ability, can is applicable to different business needs, to become the global hot topic.
At present in the state PTN standardization, each manufacturer has launched the corresponding PTN equipment, each big operators also began to product testing, and even began to establish PTN network. For this, we follow the trend of The Times, this paper introduced comprehensively PTN key technology system, application scenarios, network positioning and deployment strategy, and so on. Finally, based on the current situation of xining city unicom network and mobile, broadband, big customers three business network load demand, analysis of xining unicom intracity networks are currently facing pressure, and then discusses PTN technology in xining local transmission network construction necessity and the construction of xining unicom intracity networks network scheme. [来源:http://www.doc163.com]
Key words: Packet transmission network ,metropolitan area transport nets ,T-MPLS ,IP ,SDH
  [资料来源:http://www.doc163.com]

分组传输网(PTN)组网应用
分组传输网(PTN)组网应用
分组传输网(PTN)组网应用


目录
1、绪论    5
1.1 PTN技术产生背景    5
1.2 传送网面临的挑战    5
1.3 PTN的研究及应用意义    6
2、分组传送网(PTN)概述    7
2.1 PTN技术简介    7
2.2 PTN技术的基本原理    7
2.3 PTN技术特点与形态    7 [版权所有:http://DOC163.com]
2.4 PTN与SDH区别    8
2.5 PTN关键技术    8
2.5.1 OAM技术    8
2.5.2 PTN网络的生存性技术    9
2.5.3 PTN网络的全业务提供技术    9
3、PTN网络层次定位与网络应用场景分析    10
3.1 PTN网络层次定位    10
3.2 基于对城域网网络应用场景分析    11
3.3 PTN网络的组建及组网模式    14
3.3.1 PTN的组网模式    14
3.3.2 PTN的组网结构    15
3.3.3 PTN组网方案    15
3.4 PTN发展现状    18
4、西宁联通3G城域网PTN组网应用    18
4.1西宁联通3G城域网PTN网建背景    18
4.1.1 3G城域网对分组业务的需求    18
4.1.2西宁联通3G城域网现状及架构    19
4.2西宁联通城域网PTN网络架构    19
4.3西宁联通城域PTN建设策略与方案    21
4.3.2网络定位    21

[资料来源:http://www.doc163.com]


4.3.3 西宁市城域网拓扑图设计    22
4.3.4建设方案    23
4.3.5网络管理方案    27
总结    28
参考文献    29
致谢    30

[版权所有:http://DOC163.com]

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