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Also Generalize Backup Designated Router for Biconnected Redundancy Broadcast network Backup DR is added for redundancy. The adjacencies of the DR and Backup DR form a biconnected subgraph. Each DR Other is adjacent with the DR and the Backup DR. Multihop Wireless Network Backup MDRs are added for redundancy. A biconnected backbone is created consisting of MDRs and Backup MDRs. Each MDR Other selects two (Backup) MDR neighbors to forms adjacencies with. |