Resilient Packet Ring (RPR) is an IEEE standardized next-generation metro optical transport technology based on ring network topology .
弹性分组环（RPR）是一个由IEEE标准化的基于环网拓扑的新一代城域光传送技术。
Intelligent optical transport network can satisfy above requirements well by adopting data wrapping technology, control plane technology and series service interfaces.
智能光传送网络通过数字包封技术、控制平面技术和系列服务接口，可以很好地满足上述需求。
AS the ASON technology is getting mature, intelligent optical transport network starts to put in practice.
随着ASON技术的逐渐成熟，光传输网络的智能化也逐渐进入实施阶段。
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