Redundancy

실업

sireop

(state of being unemployed because one's job is no longer necessary)

용장

yongjang

(duplication of parts of a message to guard against transmission errors)

잉여

ing'yeo

(duplication of parts of a message to guard against transmission errors)

중복

jungbok

(duplication of components or circuits to provide survival of the total system in case of failure of single components)

중복성

jungbokseong

(state of being redundant)