The following diagram illustrates the FMDS infrastructure and its relationships to X_STUDY and other key components.

EXE NameService NameDisplay NameResponsibilityPart of FMDS
TTFMDSFeed.exeTTFMDSFeedTT FMDS FeedHosts CoreAPI and sends prices to responderYes
TTFMDSResp.exeTTFMDSRespTT FMDS ResponderReceives prices from feed, stores them, and responds to requests from clientsYes
guardian.exeGuardianTT GuardianSupport CoreAPINo
ttmd.exettmdTT MessagingTTMNo
ttchron.exeTTChronTT ChronRestarts FMDS processes automaticallyNo