IEEE 802.17c-2010
IEEE Standard for Information technology--Telecommunications and information exchange between systems--Local and metropolitan area networks--Specific requirements Part 17: Resilient packet ring (RPR) access method and physical layer specifications Amendment 2: Protected inter-ring connection
IEEE信息技术标准系统间电信和信息交换局域网和城域网特殊要求第17部分:弹性分组环（RPR）接入方法和物理层规范修改2:受保护的环间连接
2010-05-07