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INTER-DOMAIN SIGNALING TO PROVIDE UPDATED ROUTING INFORMATION TO PATH COMPUTATION ELEMENTS AFTER A TUNNEL ESTABLISHMENT FAILURE
INTER-DOMAIN SIGNALING TO PROVIDE UPDATED ROUTING INFORMATION TO PATH COMPUTATION ELEMENTS AFTER A TUNNEL ESTABLISHMENT FAILURE
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机译:域间信号传输,在隧道建立失败后将更新的路由信息提供给路径计算元素
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摘要
In one embodiment, a router in a non-originating domain receives a signal to establish a tunnel, the signal having an identification (ID) of an originating path computation element (PCE) of an originating domain from where the signal to establish the tunnel originated. In response to determining that establishment of the tunnel fails, the router may signal the failure of the establishment to a local PCE of the non-originating domain, the signaling indicating the ID of the originating PCE to cause the local PCE to provide updated routing information of the non-originating domain to the originating PCE.
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