| 2.5G MSTP组网中的以太网业务保护 |
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| 引用本文： | 刘生寿,楚纪正,王琦.2.5G MSTP组网中的以太网业务保护[J].光通信技术,2009,33(6). |
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| 作者姓名： | 刘生寿 楚纪正 王琦 |
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| 作者单位： | 1. 北京化工大学,信息科学与技术学院,北京,100029
2. 北京瑞光极远数码科技有限公司,北京,100085 |
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| 摘 要： | 分析了以太网的环网保护、LCAS带宽调整和虚级联的传输延时.提出了SDH环网中MSP和UPSR保护同时存在交叉使用解决了单一保护的缺点,并在组网测试中验证得出其倒换和恢复效率上优于MSP保护和UPSR保护.
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| 关 键 词： | 虚级联 链路容量调整 告警屏蔽 MSP保护 UPSR保护 |
Ethernet service protection in 2.5G MSTP networks |
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| LIU Sheng-shou,CHU Ji-zheng,WANG Qi.Ethernet service protection in 2.5G MSTP networks[J].Optical Communication Technology,2009,33(6). |
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| Authors: | LIU Sheng-shou CHU Ji-zheng WANG Qi |
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| Affiliation: | LIU Sheng-shou1,CHU Ji-zheng1,WANG Qi2 (1.College of Information Science and Technology,Beijing University of Chemical Technology,Beijing 100029,China,2. Beijing Raycomm Digital Technology Co. Ltd,Beijing 100085,China) |
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| Abstract: | The SDH protection for Ethernet ring, bandwidth adjustment of LCAS and the transmission delay of virtual concatenation are analyzed. Combination protection is suggested based on the advantages of the above two protection methods. Analysis on the test results about the SDH network and analysis shows that the combination protection is more efficient than both MSP protection and UPSR protection. |
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| Keywords: | virtual concatenation LCAS alarm mask MSP protection UPSR protection |
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