| 电信级骨干网传输技术 |
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| 引用本文： | 张载龙,方军,喻敬海.电信级骨干网传输技术[J].中兴通讯技术,2008,14(6):22-26. |
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| 作者姓名： | 张载龙 方军 喻敬海 |
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| 作者单位： | 1. 南京部电大学信息网络技术研究所,江苏,南京,210003
2. 中兴通讯股份有限公司,广东,深圳,518057 |
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| 摘 要： | 城域以太网论坛（MEF）提出了电信级以太网（CE）的概念，以改进以太网技术并使之成为下一代网络（NGN）传输汇聚层的解决方案。运营商骨干网传输（PBT）技术是对早期以太网技术进行增强以及改进的产物，是一种有前途的新版CE实现技术和标准。通过研究与PBT有关的技术、PBT网络结构、PBT作为传输汇聚层解决方案的优势及其未来的发展趋势，可以看出虽然PBT还存在一些有待解决的问题，但在NGN中PBT将是传输汇聚层的优选技术。
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| 关 键 词： | 电信级以太网(CE) 运营商骨干网桥接(PBB) 运营商骨干网传输(PBT) |
Carrier-Grade Backbone Transmission Technology |
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| ZHANG Zai-long,FANG Jun,YU Jing-hai.Carrier-Grade Backbone Transmission Technology[J].ZTE Communications,2008,14(6):22-26. |
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| Authors: | ZHANG Zai-long FANG Jun YU Jing-hai |
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| Affiliation: | ZHANG Zai-long,FANG Jun,YU Jing-hai (1. Institute of Information and Network Technology, Nanjing University of Posts and Telecommunications, Nanjing 210003, China; 2. ZTE Corporation, Shenzhen 518057, China) |
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| Abstract: | The Metro Ethernet Forum(MEF) put forward the concept of Carrier Ethernet(CE) to improve Ethernet technology and make it a transmission convergence layer solution for Next Generation Network(NGN).Provider Backbone Transport(PBT) is the result of the enhancement and improvement of the early Ethernet technologies and it is the new version of CE implementation technology and standard which is promising.Through studying the PBT-related technologies,PBT network structure,PBT advantages as the transmission convergence layer solution and its trend of future development,it is concluded that PBT can be used as the preferred technology of the transmission convergence layer in the NGN,though there are some problems to be solved for PBT. |
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| Keywords: | Carrier Ethernet(CE) Provider Backbone Bridge(PBB) Provider Backbone Transport(PBT) |
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