▁a ▁Gram - negative , ▁aer ob ic ▁rod - sh aped ▁and ▁non - mot ile ▁b acter ia ▁from ▁the ▁genus ▁of ▁Ch ry se ob acter ium ▁which ▁has ▁been ▁isolated ▁from ▁the ▁gut ▁of ▁the ▁term ite ▁Ret icul it erm es ▁ac ul ab ial is . ▁ ▁References ▁ ▁External ▁links ▁Type ▁stra in ▁of ▁Ch ry se ob acter ium ▁ret icul it erm itis ▁at ▁Bac D ive ▁- ▁ ▁the ▁B acter ial ▁D iversity ▁Met ad atabase ▁ ▁ret icul it erm itis ▁Category : B acter ia ▁described ▁in ▁ 2 0 1 7 <0x0A> </s> ▁Active ▁Directory ▁Federation ▁Services ▁( AD ▁F S ), ▁a ▁software ▁component ▁developed ▁by ▁Microsoft , ▁can ▁run ▁on ▁Windows ▁Server ▁operating ▁systems ▁to ▁provide ▁users ▁with ▁single ▁sign - on ▁access ▁to ▁systems ▁and ▁applications ▁located ▁across ▁organiz ational ▁boundaries . ▁It ▁uses ▁a ▁claims - based ▁access - control ▁authorization ▁model ▁to ▁maintain ▁application ▁security ▁and ▁to ▁implement ▁feder ated ▁identity . ▁Cla ims - based ▁authentication ▁involves ▁authentic ating ▁a ▁user ▁based ▁on ▁a ▁set ▁of ▁claims ▁about ▁that ▁user ' s ▁identity ▁contained ▁in ▁a ▁trust ed ▁token . ▁Such ▁a ▁token ▁is ▁often ▁issued ▁and ▁signed ▁by ▁an ▁entity ▁that ▁is ▁able ▁to ▁authentic ate ▁the ▁user ▁by ▁other ▁means , ▁and ▁that ▁is ▁trust ed ▁by ▁the ▁entity ▁doing ▁the ▁claims - based ▁authentication . ▁It ▁is ▁part ▁of ▁the ▁Active ▁Directory ▁Services . ▁ ▁Details ▁In ▁AD ▁F S