| 摘要 |
Disclosed is a method for realizing service backtracking, which is applied to a software-defined network controller. The method comprises: after failing to establish a sub-network connection (SNC) of a service according to a current route, determining a failed node; enquiring service backtracking attribute information about the service; and when the service satisfies a service backtracking condition, performing service backtracking on the service. |
