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光速率如何在光网络中提供省电和带宽
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光速率如何在光网络中提供省电和带宽
由于经常连接的互联网设备、云计算以及视频内容的增加，数据流量的惊人增长已经得到了充分的报道。服务器农场和数据中心的能源需求反映了这种增长。正在采取行动解决信息和通信技术部门的电力消耗问题。
。在许多应用中，光纤已经成为数据中心、企业和城域网以及电信运营商更高速度、更高带宽数据网络的首选媒介。众所周知，光联网也有助于降低能源需求。无源光网络在信息通信技术领域越来越受欢迎，高增长率正在被预测。PONs不仅有效地提供了高速度和带宽成本，而且他们还计划大幅降低功耗。
本文将概述脑桥的趋势的技术和商业优势，认为此举是对xgpon系统放置在光网络组件厂商的挑战。相关无源光器件包括无源光分路器、隔离器、环行器和过滤器，以及所有必要的收发器。在目前的技术手段看，如10 Gbps光收发器包括Avago，Finisar公司，将突出前进。
The need for speed
Despite the significant improvements in network data rates， bandwidth， and overall capacity， demand continues to increase in both telecom and datacom applications. The massive growth in data traffic is creating challenges for the carriers， and requiring dramatic expansion in capacity in enterprise networks and data centers. The adoption of optical components in today’s networks is accelerating， and such devices are enabling the move， expected to be rapid， towards 100 Gbps systems.
Fiber-optic technology has already proved useful even at 1 Gbps speeds， and has grown in use for 10 Gbps systems currently deployed at data centers and at the enterprise level. It is set to become the norm for the ongoing 40 Gbps upgrade path， and expected to peak this year. 100 Gbps systems are forecast to start ramping up from this year onwards. Optical fiber is proving practical for higher speeds over shorter distances up to 100 m. These are most in demand for applications including servers， routers， and switches in data centers. Fiber not only reduces the size and weight of cables， but is equal in cost， minimizes EMI， and reduces overall power consumption.
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