Advertisement
6HWWLQJ 8S WKH 0-; &RQWURO 3DQHO
7R DFWLYDWH (YHQWV /RJJLQJ YLHZ /RJ (YHQW WKHQ VHOHFW
21 <RX PXVW DOVR GHILQH ZKLFK HYHQWV DUH WR EH ORJJHG
7R DFWLYDWH ORJJLQJ IRU D VSHFLILF (YHQW YLHZ WKH DSSURSUL
DWH (YHQW
GDWD LWHP DQG VHOHFW 21 IRU WKDW (YHQW
,QWHUYDO /RJJLQJ
7KH ,QWHUYDO /RJ UHFRUGV GDWD DW VSHFLILF WLPH LQWHUYDOV DV
GHILQHG LQ WKH /2* 6(783! 0HQX $W WKH HQG RI HDFK
LQWHUYDO WKH IROORZLQJ UHDGLQJV DUH ORJJHG
,QWHUYDO 'DWH 7LPH DQG ,QWHUYDO ,'
3UHVHQW PD[ PLQ DQG GHPDQG YDOXHV IRU
9OG
.:
.9$
,QVWDQWDQHRXV YDOXH RI 9VUF
3UHVHQW PD[ DQG PLQ YDOXHV IRU
3RZHU )DFWRU
3RZHU )DFWRU DW .9$PLQ
7RWDO 2SHUDWLRQV
7R DFWLYDWH ,QWHUYDO ORJJLQJ YLHZ /RJ ,QWHUYDO WKHQ VHOHFW
21
7R GHILQH WKH WLPH EHWZHHQ ORJV YLHZ ,QWHUYDO WKHQ VSHF
LI\ WKH WLPH DV ++KU00PLQ
7R UHVHW WKH PLQLPXP DQG PD[LPXP YDOXHV DW WKH VWDUW RI
HDFK LQWHUYDO YLHZ 5HV/RJ0LQ0D[ WKHQ VHOHFW 21
,QWHUYDO ORJJLQJ LV V\QFKURQL]HG WR WKH WLPH RI GD\ ,QWHUYDO
ORJJLQJ RFFXUV ZKHQ oVHFRQGVp LV ]HUR )RU DQG
PLQXWH LQWHUYDOV WKH 0-; ORJV GDWD DW HYHQ TXDUWHU DQG
KDOIKRXU LQFUHPHQWV UHVSHFWLYHO\ )RU D KRXU VHWWLQJ
WKH 0-; ORJV GDWD RQ WKH KRXU )RU DQG KRXU VHWWLQJV
WKH 0-; ORJV GDWD V\QFKURQL]HG WR PLGQLJKW
&OHDULQJ (YHQW,QWHUYDO /RJ 'DWD
7R FOHDU WKH HQWLUH (YHQW /RJ YLHZ WKH &OU (YHQW /RJ
LWHP WRJJOH WR < WKHQ SUHVV WKH 6DYH NH\
7R FOHDU WKH HQWLUH ,QWHUYDO /RJ YLHZ WKH &OU ,QWHUY/RJ
LWHP WRJJOH WR < WKHQ SUHVV WKH 6DYH NH\
IOG
.9$5
3RZHU )DFWRU DW .9$PD[
7DS SRVLWLRQ
3DVVZRUG 6HFXULW\ 3URWHFWLRQs
WKH 3$66:25'! 0HQX
0-; VHFXULW\ DOORZV XQUHVWULFWHG UHDG DFFHVV WR DQ\ GDWD
LWHP ZKLOH SURYLGLQJ SDVVZRUG VHFXULW\ DJDLQVW FKDQJHV
DQG UHVHWV
2YHUYLHZ
0-; SDVVZRUG SURWHFWLRQ LV D KLHUDUFKLFDO V\VWHP FRQ
VLVWLQJ RI D o6\VWHP .H\p WKDW SURYLGHV D OHYHO RI SURWHF
WLRQ IRU WKH VHFXULW\ V\VWHP LWVHOI DQG WZR /HYHOV RI
VHFXULW\ IRU 0-; GDWD LWHPV
$ /HYHO SDVVZRUG HQDEOHV WKH FKDQJHUHVHW IXQF
WLRQ LI D YDOLG /HYHO SDVVZRUG LV HQWHUHG DQ\ GDWD
LWHP ZKLFK LV QRW IXUWKHU SURWHFWHG E\ /HYHO FDQ
EH FKDQJHG RU UHVHW
$ /HYHO SDVVZRUG LV DVVRFLDWHG ZLWK D VSHFLILF
0HQX :KHQ D 0HQX LV SURWHFWHG DW /HYHO WKH
/HYHO SDVVZRUG PXVW EH HQWHUHG EHIRUH FKDQJHV
UHVHWV FDQ EH PDGH WR GDWD LWHPV ZLWKLQ WKDW 0HQX
(QWHULQJ DQ\ /HYHO SDVVZRUG SURYLGHV DFFHVV WR DOO
/HYHO SURWHFWHG GDWD LWHPV DV ZHOO DV WR GDWD LWHPV FRQ
WDLQHG LQ 0HQXV WKDW DUH SURWHFWHG E\ WKDW VSHFLILF /HYHO
SDVVZRUG ,Q RWKHU ZRUGV ZKHQ D /HYHO 0HQX SDVV
ZRUG KDV EHHQ HQWHUHG WKH FKDQJHUHVHW IXQFWLRQ LV
HQDEOHG IRU DQ\ GDWD LWHP WKDW LV QRW SURWHFWHG E\ DQRWKHU
/HYHO SDVVZRUG
(LWKHU /HYHO FDQ EH DFWLYDWHG LQGHSHQGHQW RI WKH RWKHU
6HFXULW\ DFWLYDWLRQ DQG SDVVZRUG DVVLJQPHQW DUH VHSDUDWH
IXQFWLRQV ,Q RWKHU ZRUGV HYHQ WKRXJK \RX KDYH DVVLJQHG
D SDVVZRUG WR D /HYHO SDVVZRUG FKHFNLQJ FDQ EH DFWLYH
RU LQDFWLYH IRU WKDW /HYHO
:LWK WKLV IOH[LEOH VWUXFWXUH \RX FDQ VHW XS D VHFXULW\ V\V
WHP ZLWK
q
$ VLQJOH /HYHO SDVVZRUG
q
$ /HYHO SDVVZRUG ZLWK DGGLWLRQDO /HYHO SDVV
ZRUGV IRU VSHFLILF 0HQXV
q
1R /HYHO SDVVZRUG EXW RQH RU PRUH OHYHO 0HQX
SDVVZRUGV
q
1R SDVVZRUGV DW DOO
q
3DVVZRUGV GHILQHG EXW SDVVZRUG FKHFNLQJ WHPSR
UDULO\ GLVDEOHG
7KH GHIDXOW FRQILJXUDWLRQ IRU WKH SDVVZRUG VHFXULW\ V\V
WHP LV ZLWK DOO SDVVZRUG SURWHFWLRQ GLVDEOHG H[FHSW IRU
WKH ',$*1267,&! 0HQX
&RQWURO RI WKH VHFXULW\ V\VWHP UHTXLUHV WKH XVH RI D o6\V
WHP .H\p ZKLFK SURWHFWV WKH FKDQJLQJ RI SDVVZRUGV DQG
WKH DFWLYDWLRQ DQG GHDFWLYDWLRQ RI WKH WZR VHFXULW\ /HYHOV
7R HQVXUH SURSHU FRQWURO RI WKH 0-; VHFXULW\ V\VWHP \RX
PD\ ZLVK WR GHVLJQDWH RQH LQGLYLGXDO DV VHFXULW\ DGPLQLV
6LHPHQV 3RZHU 7UDQVPLVVLRQ
'LVWULEXWLRQ //&
Advertisement
