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    • 1. 发明申请
    • METHOD AND SYSTEM FOR PROTECTION SWITCHING IN ETHERNET RING
    • 以太网保护开关的方法和系统
    • US20100135154A1
    • 2010-06-03
    • US12626360
    • 2009-11-25
    • Tae Sik CHEUNGDo Yeon KIMByung Jun AHN
    • Tae Sik CHEUNGDo Yeon KIMByung Jun AHN
    • G06F11/00
    • H04L12/437H04L12/4625
    • A method and system for protection switching in Ethernet rings are disclosed. The method for protection switching in Ethernet rings includes: receiving a server signal fail (SSF), an Ethernet lower layer fault signal, a remote defect indication (RDI) for informing a different port about a fault state when a uni-directional fault is generated, and ring-automatic protection switching (R-APS) information for requesting Ethernet ring protection switching; comparing the SSF, the RDI, and the R-APS information, and setting states of the first and second Ethernet rings; determining a protection switching priority level of each of the first and second Ethernet rings according to the states of the first and second Ethernet rings; and performing protection switching on the first and second Ethernet rings according to their protection switching priority levels.
    • 公开了一种以太网环路中保护倒换的方法和系统。 以太网环路保护切换方法包括:当产生单向故障时,接收到服务器信号故障(SSF),以太网下层故障信号,远程缺陷指示(RDI),用于通知不同端口有关故障状态 ,以及环路自动保护倒换(R-APS)信息,用于请求以太网环路保护倒换; 比较SSF,RDI和R-APS信息,以及第一和第二以太网环的设置状态; 根据第一和第二以太网环的状态确定第一和第二以太网环中的每一个的保护倒换优先级; 并根据其保护倒换优先级对第一和第二以太网环进行保护倒换。
    • 3. 发明申请
    • APPARATUS AND METHOD FOR PROTECTION SWITCHING FOR MESH TOPOLOGY
    • 用于MESH拓扑学的保护切换的装置和方法
    • US20120082026A1
    • 2012-04-05
    • US13249723
    • 2011-09-30
    • Jeong Dong RYOOTae Sik CHEUNG
    • Jeong Dong RYOOTae Sik CHEUNG
    • H04L12/26
    • H04L45/28H04L41/0813H04L45/22
    • Provided are a shared mesh protection switching apparatus and method. The shared mesh protection switching apparatus includes a plurality of linear protection switching processors allocated to the linear protection domains respectively and configured to provide a switching report signal in response to fault occurrence in the corresponding linear protection domains or a linear protection switching operation, and perform a function of limiting use of the shared section in response to a provided lock signal, and a mesh protection switching processor configured to select at least one linear protection domain to be limited in use of the network resources of the shared section according to a predetermined reference when the switching report signal is provided and provide the lock signal to a linear protection switching processor corresponding to the at least one selected linear protection domain.
    • 提供一种共享网状保护切换装置和方法。 共享网状保护切换装置包括分别分配给线性保护域的多个线性保护切换处理器,并且被配置为响应于对应的线性保护域中的故障或线性保护切换操作而提供切换报告信号,并执行 响应于所提供的锁定信号限制共享部分的使用的功能;以及网格保护切换处理器,被配置为根据预定的参考来选择在使用共享部分的网络资源时限制的至少一个线性保护域, 提供开关报告信号,并将锁定信号提供给对应于至少一个所选择的线性保护域的线性保护切换处理器。