? ???(functionality): ????(completeness)????(correctness)????(interoperability)??????(compatibility)???????(security) - PowerPoint PPT Presentation

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? ???(functionality): ????(completeness)????(correctness)????(interoperability)??????(compatibility)???????(security)

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Title: 6 Author: Y.Miyanishi Last modified by: YohtaroMiyanishi Created Date: 8/29/2003 6:59:55 AM Document presentation format – PowerPoint PPT presentation

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Title: ? ???(functionality): ????(completeness)????(correctness)????(interoperability)??????(compatibility)???????(security)

1
????????

?6?
???1 ?7? ??????????????(1)
(2007/11/13?)
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2
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3
???????????

???????????
? ???(functionality)????(completeness)????(corre
ctness)????(interoperability)??????(compatibility)
???????(security)
? ???(Reliability)???(?????????????????????)(non
deficiency)??????(error tolerance)????(recoverabi
lity)????(availability)
? ???(Usability)???(understandability)????(ease
of learning)????(operability)

4
???????????

???????????
? ???(Efficiency)?????(time economy)??????(resou
rce economy)
? ???(Maintainability)???????(correctability)???
?(testability)????????(expandability)
? ???(Portability)?????????????????????

5
???????????

RASIS(???)
R Reliability ???
A Availability ???
S Serviceability ???????
I Integrity ???
S Security ???
MTBF?MTTR?Availability??????????????

6
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(2)????????(????)????????????????????????????????
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7
????(M/M/1)

8
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(3)???????????(??????????)???????????????????????
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9
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10
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11
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??????? (???1 p.254)
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???? ???1 ?7.6 ?????????????????

12
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??????? (???1 ?7.6 p.254)

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13
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14
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15
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16
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17
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18
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??????? (???1 p.260)
????????????? ???1 ?7.9??????????????????
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19
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??????? (???1?7.9 p.260)

20
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21
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22
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23
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24
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