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随着业务IP化进程的加速,电信网络承载的业务类型发生了根本性变化,已由时分复用(TDM)流量为主转向分组流量占优的形态。业务类型的变化对承载网提出了新的需求。现有基于SDH/SONET的传送网适合承载速率恒定的同步电路业务,对于承载具有突发性和不确定性特征的分组业务,…
2024-6-18 18:58:50[未知IP0801]网友
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2024-6-18 14:28:33[未知IP0801]网友
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2024-6-18 9:58:23[未知IP0801]网友
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2024-6-18 5:28:36[未知IP0801]网友
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2024-6-18 0:58:32[未知IP0801]网友
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2024-6-17 20:27:20[未知IP0801]网友
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2024-6-17 15:56:59[未知IP0801]网友
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2024-5-26 0:10:02[未知IP0801]网友
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2024-5-2 13:10:25[未知IP0801]网友
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2024-5-2 8:40:30[未知IP0801]网友
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2024-5-2 4:10:38[未知IP0801]网友
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2024-5-1 23:40:54[未知IP0801]网友
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2024-5-1 8:20:50[未知IP0801]网友
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2024-4-30 18:52:00[未知IP0801]网友
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