【摘要】 提出一种能够实现保护倒换的无源光网络“环带树”型组网方案,该方案能够通过网络故障时的保护倒换,以较低成本提供较高的网络生存性,并与接入网领域的光缆网络布局相匹配。更多还原

【Abstract】 In this paper, a novel protection switching scheme for PON with ring-t ree topology is presented, which can provide high survivability at low cost thro ugh protection switching when network failures occur, and can match the fiber ne twork layout of the access network.更多还原