| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: method includes determining, at a first node, according to recovery path route information of a service and working path route information of the service, whether a first downstream neighbouring node is identical to a second downstream neighbouring node; obtaining a first determination result; selecting, at the first node, a first mark and a first interface according to a condition, wherein the condition includes the first determination result; sending, at the first node, establishment request messages to the first downstream neighbouring node; receiving, at the first node, response messages to establish a recovery path; establishing, at the first node, a crossover connection of the recovery path according to the first mark, the first interface, a fourth mark and a fourth interface.EFFECT: high network reliability.15 cl, 8 dwg |
