RPR uses Ethernet switching and a dual counter-rotating ring topology to provide SONET-like network resiliency and optimized bandwidth usage, while delivering multipoint Ethernet/IP services.

• RPR利用以太网的交换和双逆向旋转环的拓扑结构，提供像SONET那样的网络弹性和优化的带宽应用，同时提供多点的以太网/IP服务。