银行交易系统-2

,按一下以編輯母片標題樣式,按一下以編輯母片,第二層,第三層,第四層,第五層,*,銀行交易系統-2,以玉山銀行為例,1,Network Architecture,Token Ring,Token Ring,ROUTER IBM 2216,主機系統,傳輸控制機,IBM 3745-170,Router IBM 2210,DSU,DSU,分行主機,IBM AS/400,MSD,DB2/2 SERVER,CPS/Client,SNA,TCP/IP,櫃員工作站,T/W,櫃員工作站,64K,CPS/Client,CPS/Client,CPS/Notes,SERVER,櫃員工作站,ATM,TTN-F.R.,1.544M,ISDN(PRI) For Backup,Between Center and TTN (Taipei),ISDN(BRI) For Backup,Between Branch and TTN (Local),中南部分行,I,SDN(BRI) For Backup,Between Center and Branch,大台北地區分行,DSU,DSU,TA,#2283 ISDN PRI PORT,Internet,www,IBM AS/400,Notes Server,Notes Server,Router IBM 2210,I BM 9672-R15,2,與跨行網路switching center之連接,ESB-Production,X.25,ESB-Testing,FISC-Production,FISC-Testing,IBM 3745-170,傳輸控制機,IBM 3745-170,IBM 3745-170,Modem,Modem,Modem,Master :,9.6K Leased-Line,Master,Dial-Line,Backup,9.6K /X.25,Modem,Modem,IBM 3745-170,I BM 9672-R15,I BM 9121-311,3,與海外分行之連接,Token-ring,Token,-ring,Token Ring,Cisco 2600 Router,IBM 3745-170,Cisco,2600 Router,DSU,IBM AS/400,12.31.191.10/26,NTSSRV01_ES0001,64K,Internet,256K,DSU,NT1,IBM 2210-24M,12.31.191.0/26,PC,PC,PC,Laser printer,Notes Server,12.31.191.3/26,ISDN Backup,VPN,NT1,VPN,ISDN Backup,IBM 2216,TTN,Frame-Relay,DSU,TA,IBM,2210,DSU,IBM AS/400,64K,NT1,PC,PC,Notes Server,ISDN Backup,PC,IBM 2210-24M,IBM 3745-170,12.31.191.1,203.163.89.129/25,203.163.89.1/25,172.17.204.253/24,172.17.204.198/24,L.A.,分行,國外部,I BM 9672-R15,I BM 9121-311,4,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,Transaction Control Program,Transaction Processing Program,MVS,IMS DB/DC,VTAM,Teller,Self-Service,IVR,5,2-phase commit process,Phase I,Prepare and check DB available for updating,SDEP space 夠insert否？,是否發生DB deadlock？,Phase II,Finalize log records (before/after image),Update DB(DEDB, SDEP),Release resources and clean-up,6,SYNC/CKPT,SYNC: 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,A,B,C,D,E,CKPT-1,SYNC,ROLB,SYNC,CKPT-2,7,SYNC/CKPT,CKPT: Issued by operator, IMS,(when log is fulled or scheduled), for system recovery/restart,兩個ckpt之間系統當則重起時將憑藉之前所保存的 log 將 message 回復到最後一個checkpoint,(即CKPT-1),所記錄的狀態。,對一個region看因是回到A點故系統重起後必須重做B點所做的處理。,若為online transaction 則重新輸入重新執行,若為batch processing 則由程式依自訂的R/R方式rerun,A,B,C,D,E,CKPT-1,SYNC,ROLB,SYNC,CKPT-2,8,交易處理狀況,每日三十萬到五十萬筆之間,其中來自分行櫃台者不到1/4,峰時13:00-14:00, 11:00-12:00,峰時交易量每秒24.x筆,車道流量,9,車道,(IMS region),流量,合計,9,021,261,(2,k Oct.),其他(9 %),補登摺機,信用查詢,國際金融卡,POS(NCCC),看板期貨等,交易統計圖表(2,k/10),10,