| “光进铜退”热潮中二层汇聚网与光接入网的融合 |
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| 引用本文： | 沈成彬,曹敏,蒋铭,毛东峰.“光进铜退”热潮中二层汇聚网与光接入网的融合[J].电信科学,2008,24(9). |
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| 作者姓名： | 沈成彬 曹敏 蒋铭 毛东峰 |
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| 作者单位： | 中国电信股份有限公司上海研究院,上海,200122 |
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| 摘 要： | 在基于PON的"光进铜退"建设热潮中,如何优化整个二层网络的结构是关系到投资效率、业务能力与质量、运维成本的重要问题.本文重点从技术能力、建网和维护成本、网络扁平化的发展趋势、网络可靠性等方面综合分析了光接入网与L2(二层)汇聚网络融合的必要性和可行性,并给出了将来光接入网与L2汇聚网络融合的路线.针对这种融合的趋势,结合当前OLT和汇聚交换机的发展现状,提出了OLT和汇聚交换机的发展方向和急需解决的问题.最后,结合当前的网络现状,从充分利用现网资源,节约近期投资的角度,提出了近期光接入网的OLT上联组网模式.
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| 关 键 词： | 关进铜退 以太网无源光网络 网络融合 光线路终端 汇聚交换机 |
Convergence of Optical Access Network and Lay 2 Aggregation Networks in the New Wave of Fiber Progressing & Copper Receding |
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| Shen Chengbin,Cao Min,Jiang Ming,Mao Dongfeng.Convergence of Optical Access Network and Lay 2 Aggregation Networks in the New Wave of Fiber Progressing & Copper Receding[J].Telecommunications Science,2008,24(9). |
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| Authors: | Shen Chengbin Cao Min Jiang Ming Mao Dongfeng |
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| Affiliation: | Shen Chengbin,Cao Min,Jiang Ming,Mao Dongfeng (Shanghai Research Institute of China Telecom Co.,Ltd.,Shanghai 200122,China) |
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| Abstract: | In the paper, based on the analysis of technical capability, TCO(capex+opex), wind of hierarchy simplification, and reliability of networks, the convergence of optical access network and lay 2 aggregation networks is proposed. The evolution route of the convergence is investigated as well as progress of OLT/L2 aggregation switch equipments. Finally, current uplink means of OLT is given based on the analysis of development status of subscribers & services, uplink resource, investment saving, etc.. |
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| Keywords: | fiber progressing & copper receding ethernet passive optical network network convergence optical line terminal aggregation switch |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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