| 摘要 |
The present invention relates to the field of network communications and specifically discloses a method for establishing a restoration path, including: determining, by a first node according to route information of a restoration path of a service and route information of a working path of the service, whether a first downstream neighboring node is the same as a second downstream neighboring node, and obtaining a first determination result; allocating, by the first node, a first label and a first interface according to a condition, where the condition includes the first determination result; sending, by the first node, an establishment request message to the first downstream neighboring node; receiving, by the first node, an establishment response message of the restoration path; and establishing, by the first node, a cross-connection of the restoration path according to the first label, the first interface, a fourth label, and a fourth interface. Embodiments of the present invention further disclose a system and a node device for establishing a restoration path. |
