银行交易系统2(ppt10).pptx

銀行交易系統-2以玉山銀行為例Network Architecture主機系統 I BM 9672-R15IBM AS/400傳輸控制機IBM 3745-170Token RingNotes ServerDB2/2 SERVER大台北地區分行ROUTER IBM 2216#2283 ISDN PRI PORTDSUNotes ServerDSUSDN(BRI) For Backup1.544MIBetween Center and BranchDSUISDN(PRI) For BackupTTN-F.R.Between Center and TTN (Taipei)InternetRouter IBM 2210ISDN(BRI) For Backup64KDSUBetween Branch and TTN (Local)中南部分行TAToken RingSNATCP/IP櫃員工作站Router IBM 2210CPS/Notes SERVERMSDCPS/ClientCPS/ClientCPS/ClientATM分行主機T/WIBM AS/400櫃員工作站櫃員工作站與跨行網路switching center之連接 I BM 9672-R15 I BM 9121-311ESB-ProductionESB-Testing傳輸控制機IBM 3745-170IBM 3745-170BackupModemModem9.6K /X.25Master :Master9.6K Leased-LineDial-LineX.25ModemModemModemIBM 3745-170IBM 3745-170FISC-ProductionFISC-Testing與海外分行之連接 I BM 9121-311NTSSRV01_ES0001 I BM 9672-R15IBM 3745-170IBM 3745-170172.17.204.198/24Token-ringToken Ring172.17.204.253/24VPN203.163.89.1/25IBM 2216 IBM 2210-24MTACisco 2600 RouterDSUDSU203.163.89.129/25NT1 IBM 2210-24M256KISDN BackupInternetTTNFrame-RelayISDN Backup64KISDN Backup64KNT1DSUCiscoNT1DSU 2600 Router12.31.191.1IBMVPN2210Laser printerPCNotes ServerToken-ring12.31.191.0/26Notes ServerIBM AS/400PCPCPCPCPC12.31.191.3/2612.31.191.10/26IBM AS/400國外部L.A.分行Transaction Processing ProgramTransaction Control ProgramIMS DB/DCVTAMMVSTeller Self-ServiceIVR, …交易處理系統的軟體架構會計系統為核心Online/Batch 妥為切割Batch份量重?運作管理Global Clock Remote Maintenance/ Distribution內部控制及亂碼作業斷線也要繼續服務 2-phase commit processPhase IPrepare and check DB available for updatingSDEP space 夠insert否？是否發生DB deadlock？Phase IIFinalize log records (before/after image)Update DB(DEDB, SDEP)Release resources and clean-upSYNC/CKPTSYNC: Issued by application (both online and batch) for recovery/restart為維持data integrity﹐交易處理過程中對所要更新的資料會先予凍結﹐避免其他交易來access﹐直到發SYNC/ROLB call時﹐才確認完成(或加以還原)剛才對DB所做的更新動作﹐其他交易也才能access該筆資料。SYNC/ROLB的效果僅及於同一region之內ABDECCKPT-1SYNCROLBSYNCCKPT-2ABCDECKPT-1SYNCROLBSYNCCKPT-2SYNC/CKPTCKPT: Issued by operator, IMS (when log is fulled or scheduled), for system recover