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    • 3. 发明授权
    • Method and system for protecting traffic of a plurality of work ODUs over a protect ODU
    • 用于通过保护ODU保护多个工作ODU的业务的方法和系统
    • US09008502B2
    • 2015-04-14
    • US13764813
    • 2013-02-12
    • Tejas Networks Limited
    • Nishant SharmaNikhil Kumar SatyarthiVivek Subramanian
    • H04J14/08H04J3/16
    • H04J14/08H04J3/1652H04J2203/006
    • The various embodiments herein provide a method and system for protecting multiple work ODU failures using a higher capacity protect ODU in an Optical Transport Network. The method for protecting multiple work ODU failures in an Optical Transport Network comprising steps of detecting signal failures in at least one of a plurality of work ODUs, requesting for release of one or more time-slots for a defective work ODU and allocating the one or more time-slots of a low priority traffic from the protect ODU in an incremental manner of priority. The method apply a TPN based policy for defining lower ODUs, performs handshaking between the transmit and downstream ends using the protocol provided, defines the role and behavior of the various system components and the service requests and performs an automatic lockout of protection for the work ODU in which an UDI alarm is present.
    • 本文的各种实施例提供了一种用于使用光传输网络中的较高容量保护ODU来保护多个工作ODU故障的方法和系统。 用于保护光传输网络中的多个工作ODU故障的方法包括以下步骤:检测多个工作ODU中的至少一个工作ODU中的信号故障,请求释放用于有缺陷的工作ODU的一个或多个时隙并分配一个或 来自保护ODU的低优先级流量的更多时隙以增量的优先级方式。 该方法应用基于TPN的策略来定义较低的ODU,使用提供的协议在发送和下行端之间执行握手,定义各种系统组件和服务请求的角色和行为,并对工作ODU进行自动锁定保护 其中存在UDI警报。
    • 4. 发明申请
    • Dynamic hitless ODUflex resizing in optical transport networks
    • 光传输网络中的动态无连续ODUflex调整大小
    • US20140079402A1
    • 2014-03-20
    • US14025924
    • 2013-09-13
    • Tejas Networks Limited
    • Nishant SharmaNikhil Kumar Satyarthi
    • H04J14/08
    • H04J14/08H04J3/1652
    • The present invention and its embodiments are made to provide for dynamic hitless resizing in optical transport network without any identification of matching time slots by the Network Management System (NMS) or any control plane signaling including Generalised Multi Protocol Label Switching (GMPLS). An aspect of the invention provides for a method of hitless ODUflex connection resizing in an optical transport network by incrementing or decrementing the ODUflex connection between the nodes, based on an indication command given to a source node for bandwidth increase or decrease, by identifying and matching at least one time slot through Link Connection Resizing (LCR) protocol message exchanges. Another aspect of the invention provides for a method of hitless ODUflex connection resizing in an optical transport network by decrementing the matching time slot used for the incrementing operation, in case of unsuccessful incrementing operation between nodes.
    • 本发明及其实施例用于在光传输网络中提供动态无中继大小调整,而无需通过网络管理系统(NMS)或包括通用多协议标签交换(GMPLS)的任何控制平面信令的任何识别匹配时隙。 本发明的一个方面提供了一种通过增加或减少节点之间的ODUflex连接,基于给源节点提供带宽增加或减少的指示命令,通过识别和匹配来在光传输网络中进行无连续ODUflex连接调整的方法 至少一个时隙通过链路连接调整大小(LCR)协议消息交换。 本发明的另一方面提供了一种在光传输网络中通过递减用于增量操作的匹配时隙的方式,在节点之间不成功的增加操作的情况下,重新调整大小。