Sentinel:SentinelofYourApplicationIntroductionAsdistributedsystemsbecomeincreasinglypopular,thereliabilitybetweenservicesisbecomingmoreimportantthaneverbefore.Sentineltakes"flow"asbreakthroughpoint,andworksonmultiplefieldsincludingflowcontrol,circuitbreakingandsystemadaptivepr