| 摘要 |
A classification mechanism to allow selected classes of multicast entries to be acted upon in a chosen order of priority during multicast distribution tree convergence is provided. Such prioritization allows for the designation of customers, networks or multicast groups to receive faster convergence of multicast distribution trees to modified multicast distribution trees in response to unavailability of an upstream router, and in performing other multicast-related tasks (e.g., PIM joins and prunes). One aspect of the present invention provides for multicast entries (also called multicast states) that are at a same priority level to be acted upon in a fair manner, thereby avoiding having certain multicast entries and their associated users from being acted upon consistently last.
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