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    • 1. 发明申请
    • UTILITY COMMUNICATION METHOD AND SYSTEM
    • 实用通信方法与系统
    • WO2013030276A1
    • 2013-03-07
    • PCT/EP2012/066858
    • 2012-08-30
    • ABB TECHNOLOGY AGCACHIN, DominiqueKRANICH, MathiasLEEB, Christian
    • CACHIN, DominiqueKRANICH, MathiasLEEB, Christian
    • H04L12/56
    • H04L12/4641H04L1/22H04L45/128H04L45/22H04L45/24H04L47/125
    • The present invention is concerned with a use of the Parallel Redundancy Protocol PRP (IEC 62439-3) for traffic duplication and redundant transport of the duplicated traffic in a single packet-switched wide-area communication network including a plurality of nodes interconnected via inter-node links in a meshed topology. It involves the step of identifying, between a send and receive node, two distinct communication paths with no link or node in common except for the send and receive node, as well as the step of configuring the send and receive nodes to operate according to the Parallel Redundancy Protocol PRP. At any time during regular operation, and for any critical message to be transmitted from the send to the receive node, two redundant packets are then generated, and each of the redundant packets is being sent via one of the two communication paths, resulting in an increased availability of the communication network without incurring the cost of full network duplication.
    • 本发明涉及并行冗余协议PRP(IEC 62439-3)用于单个分组交换广域通信网络中的复制业务的业务复制和冗余传输,所述单个分组交换广域通信网络包括经由网络间互连的多个节点, 网状拓扑中的节点链接。 它包括在发送和接收节点之间识别除了发送和接收节点之外没有共同的链路或节点的两个不同的通信路径的步骤,以及将发送和接收节点配置为根据 并行冗余协议PRP。 在常规操作期间的任何时间,并且对于从发送到接收节点的任何关键消息,然后生成两个冗余分组,并且每个冗余分组正在通过两个通信路径中的一个发送,导致 增加通信网络的可用性,而不会导致完全网络重复的成本。
    • 2. 发明申请
    • UTILITY COMMUNICATION METHOD AND SYSTEM
    • 实用通信方法与系统
    • WO2013030275A1
    • 2013-03-07
    • PCT/EP2012/066857
    • 2012-08-30
    • ABB TECHNOLOGY AGCACHIN, DominiqueKRANICH, MathiasLEEB, Christian
    • CACHIN, DominiqueKRANICH, MathiasLEEB, Christian
    • H04L12/437
    • H04L12/437H04J14/022H04J14/0268H04J14/0283
    • The present invention is concerned with a packet-switched wide-area communication network including a plurality of nodes (1 to 11) interconnected in a multi-ring topology with two peer rings (A, B) individually operating according to a High-availability Seamless Redundancy (HSR) protocol and coupled via two Ring-Ring Coupling (RRC) nodes (6, 7). Two Wavelength Division Multiplexers (WDM) (60, 70) are interconnected via a single optical cable (65), and adapted to multiplex a first (ring-A) optical signal received from a first port and a second (ring-B) optical signal received from a second port of a respective RRC for transmission over the single optical cable.As compared to standard HSR, the invention results in high availability of the wide-area communication network without incurring the cost of a second optical cable between the RRC nodes.
    • 本发明涉及分组交换广域通信网络,其包括以多环拓扑互连的多个节点(1至11),其中两个对等环(A,B)根据高可用性无缝 冗余(HSR)协议并通过两个环形耦合(RRC)节点(6,7)耦合。 两个波分复用器(WDM)(60,70)经由单个光缆(65)互连,并且适于复用从第一端口接收的第一(环A)光信号和第二(环B)光信号 信号从相应的RRC的第二端口接收,用于通过单个光缆传输。与标准HSR相比,本发明导致广域通信网络的高可用性,而不会在RRC节点之间产生第二光缆的成本 。