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    • 59. 发明授权
    • Method and system for establishing an associated bidirectional label-switched path
    • 用于建立相关联的双向标签交换路径的方法和系统
    • US08824451B2
    • 2014-09-02
    • US13581269
    • 2010-12-09
    • Fei ZhangFan YangLizhong JinWeilian Jiang
    • Fei ZhangFan YangLizhong JinWeilian Jiang
    • H04L12/28H04L12/56
    • H04L45/50H04L45/00H04L47/00
    • The disclosure discloses a method and a system for establishing an associated bidirectional Label-Switched Path (LSP). The method includes the following steps: a head node sends a PATH message for establishing or updating an LSP to an end node, wherein the message carries an object for identifying association; the end node sends to the head node a PATH message for establishing or updating an LSP as a reverse LSP corresponding to the above LSP, wherein the message carries an object for identifying association; in the case that the attributes of the objects for identifying association carried in the PATH messages sent by the head node and the end node are the same, the LSP and the reverse LSP are associated with each other by the head node and the end node and become an associated bidirectional LSP. The method for establishing an associated bidirectional LSP in the disclosure can be applied to transition from a Multi-Protocol Label Switching (MPLS) network to a MPLS-Transport Profile (MPLS-TP) network and binding a reverse LSP with a unidirectional LSP.
    • 本公开公开了一种用于建立关联的双向标签交换路径(LSP)的方法和系统。 该方法包括以下步骤:头节点向终端节点发送用于建立或更新LSP的PATH消息,其中消息携带用于识别关联的对象; 终端节点向头节点发送用于建立或更新LSP作为与上述LSP相对应的反向LSP的PATH消息,其中该消息携带用于识别关联的对象; 在由头节点和终端节点发送的PATH消息中携带的用于识别关联的对象的属性相同的情况下,LSP和反向LSP由头节点和终端节点彼此相关联,并且 成为相关联的双向LSP。 本公开中用于建立关联双向LSP的方法可以应用于从多协议标签交换(MPLS)网络向MPLS传输模式(MPLS-TP)网络转换,并将反向LSP与单向LSP绑定。