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１EoS技术背景据估计，全世界超过90%的数据传输都采用以太网，电信运营商也越来越青睐于以太网，但他们不愿放弃在SONET/SDH链路和设备上的巨大投资而建立全新的以太网络。另外，以太网很难保证数据传输的可靠性、低时延及快速的故障恢复等。因此，电信运营商开始考虑如何在现
1EoS Technical Background It is estimated that over 90% of the world’s data transmission uses Ethernet and telecom operators are also increasingly favoring Ethernet, but they are reluctant to abandon the huge investment in SONET / SDH links and equipment New Ethernet. In addition, Ethernet is difficult to guarantee the reliability of data transmission, low latency and fast fault recovery. As a result, telecom operators are starting to think about how they are now