| Subject | English | Korean |
| comp., MS | backup designated router | 백업 전용 라우터 (An OSPF router that forms adjacencies with all other routers on a multiple access network and becomes the designated router when the designated router becomes unavailable) |
| comp., MS | designated router | 지정된 라우터 (An OSPF router that forms adjacencies with all other routers on a multiple access network) |