| 摘要 |
<p>A service recovery method, on the basis that Service Level Agreement (SLA) is separated from recovery priority and when rerouting is needed, includes: acquiring recovery priority of services needing rerouting, and ranking the services needing rerouting according to the recovery priority; preferentially recovering a service with high recovery priority according to a ranking result and a predetermined link resource using and preempting order. By the present invention, it is possible to guarantee the preferential recovery and the recovery performance of the service with high recovery priority, thereby guaranteeing the recovery time and the recovery success probability.</p> |
