?ef??a?? 4

1
?ef??a?? 4
?p?d?µ? ?? ????? ?a? ????sµ???
2
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??T?S????? S?????

• ???a e??a? ta s?stat??? st???e?a t?? ?p?d?µ??
  te???????a? p????f?????
• ???e? e??a? ?? ßas???? te???????e? ??????
  ?p?????st??, ap????e?s?? ded?µ????, e?s?d?? ?a?
  e??d??, p?? ???s?µ?p?????ta? st?? ep??e???se??
• ????? e??a? ?? ßas???? t?p?? ????sµ????
  ?p?????st?? p?? ???s?µ?p?????ta? st??
  ep??e???se??

3
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??T?S????? S????? (S????e?a)

• ???e? e??a? ?? s?µa?t???te?e? s??????e? t?se??
  st? ????? ?a? t? ????sµ???
• ???a e??a? ta ????a ??t?µata p?? a?a??pt??? se
  s??s? µe t? d?a?e???s? t?? te???????a? ?????? ?a?
  ????sµ????

4
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?a?ep?st?µ?? ??tsµp????? ?e????????? Te?ape?a
?at????? ???t???

• ???ß??µa ?e???? ?a? pe??p???? ?p?d?µ? p?? ?
  d?a?e???s? t?? ?ta? d?s????? ?? a????e?
  ap????e?s?? a??????ta? ??????a.
• ??se?? ???s? t?? te???????a? ap????e?s?? t?? IBM
  ??a µe??s? t?? dapa??? ?p?d?µ?? ?a? t??
  e???????µ?s? ?????.

5
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?a?ep?st?µ?? ??tsµp????? ?e????????? Te?ape?a
?at????? ???t???

• ??a??µ?st?? IBM System p5 595 ?a? te???????a
  VMware ß????sa? t? ?a?ep?st?µ?? ?a a???se? t??
  a???p???s? t?? d?a??µ?st?? ?a? ?a µe??se? t? ????
  ap????e?s??.
• ??t? de???e? t? ???? t?? ?? st?? t?p?p???s? t??
  te???????a? ?a? st? d?a?e???s? t?? ?p?d?µ??.
• ?a???s???e? ep?s?? t? ???? t?? ??f?a???
  te???????a? st?? pe?????sµ? t?? ??st??? ?a? st??
  a???s? t?? ßa?µ?? a???p???s?? t?? p????.

6
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?a?ep?st?µ?? ??tsµp????? ?e????????? Te?ape?a
?at????? ???t???
7
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S?stat??? ???? t?? ?p?d?µ??

• ?p?d?µ? ?? ???a? t? pe??ß????? ?p?st?????? ????
  t?? p????f???a??? s?st?µ?t?? t?? ep??e???s??
• ????? ?p?????st??
• ????sµ??? ?p?????st??
• ?e???????a d?a?e???s?? ded?µ????
• ???a???e?, d?a?e????eta? ?a? epe?e????eta?
  ep??e???µat??? ded?µ??a p?? af????? ap???µata,
  pe??te? ?a? p??µ??e?t??
• ?e???????a d??t??s?? ?a? t??ep??????????
• ?e?????????? ?p??es?e?
• p.?. s?µß????? ????????s?? s?st?µ?t?? µe
  ???????µ?µ??a s?st?µata

8
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S?stat??? ???? t?? ?p?d?µ??
9
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
??p?? ?p?????st??

• ?? ?p?????st?? ?p?????? se p?????a µe???? ?a? µe
  d??f??e? ??a??t?te? epe?e??as?a? p????f?????
• FLOPS (Floating point operations per second)
  µ?t?? ap?d?s??
• ???s?p???? ??f?a??? ß????? (PDA), f???t??
  s?s?e??? ?e????
• ???s?p???? ?p?????st?? (PC)
• Sta?µ?? e??as?a? (Workstations)
• ??? ?s????? ??a??t?te? epe?e??as?a? µa??µat????
  ?a? ??af???? ap? t??? p??s?p????? ?p?????st??

10
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
??p?? ?p?????st??

• ??a??µ?st?? (Servers)
• ??d?? ?p?????st?? µesa??? µe??????
• ?p?st??????? d??t?? ?p?????st?? ??a ????? ???s?
  a??e??? ?a? p????
• ?a?????? pe??ß????? ?????? ??a ?-eµp????
• ?e???a ?p?????st??? s?st?µata (Mainframes)
• ?p?????st?? µe????? d??at?t?t?? ?a? ??????
  ap?d?s?? p?? µp??e? ?a epe?e????eta? µe???e?
  p?s?t?te? ded?µ???? ta??tata
• p.?. ???s?µ?p?????ta? ap? ae??p?????? eta??e?e?
  ??a ?????de? ??at?se?? a?? de?te???ept?

11
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
??p?? ?p?????st??

• ?pe??p?????st?? (Supercomputers)
• ??? p????µ???? ?p?????st?? p?? ???s?µ?p??e?ta?
  ??a e??as?e? p?? apa?t??? ta??tat??? ?a?
  e?a??et??? pe??p?????? ?p?????sµ??? µe ?????de?
  µetaß??t?? ?a? e?at?µµ???a µet??se??
• ???s?µ?p?????ta? se te?????? µe??te?,
  ep?st?µ?????? p??s?µ???se??, st?at??t???? ??e??e?
  ?p????? s?st?µ?t?? ?a? µete???????a
• ?p?????st??? p???µat?? (Grid computing)
• ?s??? ?e???af??? ap?µa???sµ???? ?p?????st??
  s??dedeµ???? se e??a?? d??t?? p?? e?e??e? ??
  e???????? ?pe??p?????st??

12
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
??p?? ?p?????st??

• ?p?????st??? pe??t?/d?a??µ?st? (Client/server)
• ???f? ?ata?eµ?µ???? ?p?????st????
• ? epe?e??as?a µ?????eta? a??µesa se pe??te? ?a?
  d?a??µ?st??
• ?e??t?? S?µe?? e?s?d?? t?? ???st?
• ??a??µ?st?? ?p????e?e? ?a? epe?e????eta?
  ????????sta ded?µ??a ?a? e?te?e? e??as?e?
  d?a?e???s?? d??t???

13
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
??p?? ?p?????st??

• ?p?????st??? pe??t?/d?a??µ?st? (s????e?a)
• ??st??µat??? a???te?t????? pe??t?/d?a??µ?st?
• ???s?µ?p??e? d?? t?p??? µ??a??µ?t??
• ????st??µat??? a???te?t????? pe??t?/d?a??µ?st?
  (N-tier)
• ???s????pe? t? f??t? t?? d??t??? se a??et?
  ep?peda d?a??µ?st??
• p.?. d?a??µ?st?? ?st?? ?a? d?a??µ?st?? efa?µ????

14
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?p?????st??? pe??t?/d?a??µ?st?
St?? ?p?????st??? pe??t?/d?a??µ?st?, ?
epe?e??as?a µ?????eta? a??µesa se
µ??a??µata-pe??te? ?a? µ??a??µata- d?a??µ?st??
p?? s??d???ta? µeta?? t??? µ?s? d??t???. ??
???ste? d?as??d???ta? sta µ??a??µata-pe??te?.
?????? 4-2
15
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
????st??µat??? a???te?t????? pe??t?/d?a??µ?st?
16
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?e???????a ?p????e?s??, ??s?d?? ?a? ???d??

• ?e???????e? de?te?e???sa? ap????e?s??
• ?a???t???? d?s???
• S?????? d?s???, µ???de? µ??µ?? f?a? USB
• ??e??????sa s?st????a f????? d?s??? (RAID)
  pe??????? e?at??t?de? ?d????? d?s??? ??a µa????
  ap????e?s? ded?µ????
• ?pt???? d?s???
• CD-ROM, CD-RW, DVD
• ?a???t??? ta???a
• ???t?? ap????e?s?? (SAN)
• S??d?e? p????? s?s?e??? ap????e?s?? se ??a
  ?e????st? d??t?? ?????? ta??t?ta? ??a
  ap???e?st??? ???s? ap????e?s??

17
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
???t?? ?p????e?s?? ?e?????? (SAN)
18
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?e???????a ?p????e?s??, ??s?d?? ?a? ???d??

• S?s?e??? e?s?d??
• S???e?t?????? ded?µ??a ?a? ta µetat??p??? se
  ??e?t?????? µ??f?
• ????t???????
• ???t??? ?p?????st?
• ????? af??
• ?pt??? a?a?????s? ?a?a?t????
• ??a?????s? ?a?a?t???? µa???t???? µe?????
• ??s?d?? ??af?da?
• ??f?a??? sa??t??
• ???t??? e?s?d??
• ??s??t??e?

19
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?e???????a ?p????e?s??, ??s?d?? ?a? ???d??

• S?s?e??? e??d??
• ?a???s?????? ta ded?µ??a µet? t?? epe?e??as?a
  t???
• ?????
• ??t?p?t??
• ???t??? ???d??
• ?a p????f???a?? s?st?µata s???????? ?a?
  epe?e??????ta? p????f???e? µe d?? t??p???
• ?µad??? epe?e??as?a (Batch processing) ??
  s??a??a??? ap????e???ta? ??a p???a????sµ???
  d??st?µa µet? ap? t? ?p??? ???eta? ? epe?e??as?a
  t???
• ?µes? epe?e??as?a (Online processing) ??
  s??a??a??? epe?e??????ta? aµ?s?? µet? t??
  e?sa???? t???

20
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S??????e? ??se?? st? ????? ?p?????st??

• ???p???s? s?st?µ?t?? ?p?????st???? ?a?
  t??ep??????????
• ????t? t???f??a p?? e?e??ss??ta? se as??µat???
  ?p?????st?? ?e????
• ???pt??? t??ef???a? µ?s? ??ad??t???
• ?a??te???????a
• ???s? at?µ?? ?a? µ????? ??a t? d?µ??????a ts?p
  ?p?????st?? ?a? ????? s?s?e??? ?at? ?????de?
  f???? µ????te???

21
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?a?ade??µata ?a??s??????
22
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S??????e? ??se?? st? ????? ?p?????st??

• ?p?????st??? pa??f?? (Edge computing)
• ????st??µat??? s??µa e??s????p?s?? f??t??? ??a
  ?st?pa?e?? efa?µ????
• S?µa?t??? tµ?µa t?? pe??e??µ???? t?p??es???
  ?st??, t?? ??????? ?a? t?? epe?e??as?a?
  e?te?e?ta? ap? µ????te???? ?a? ????te??
  dapa?????? d?a??µ?st?? t?p??et?µ????? ???t? st??
  ???st?
• ?????e? t?? ta??t?ta ap????s?? ?a? t??
  a??e?t???t?ta ?a? µe???e? t? ??st?? t??
  te???????a?
• ??t???µ? ?p?????st???
• ???pt??? s?st?µ?t?? p?? µp????? ?a
  a?t?d?e??et???ta?, ?a a?t?ep?d????????ta?? p.?.
  a?t?µat? e??µ???s? ????sµ???? ?at? t?? ???

23
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
?e??ß????? ?p?????st???? ?a??f??
? ?p?????st??? pa??f?? s??ep??eta? t? ???s? t??
??ad??t??? ??a t?? e??s????p?s? t?? ?p?????st????
f??t?? t?? s?st?µ?t?? t?? ep??e???s?? se ??? t??
??tas? t?? s?st?µ?t?? t?? pe??t? ?a? t??
?p?????st???? pa??f??.
?????a 4-6
24
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S??????e? ??se?? st? ????? ?p?????st??

• ????????p???s?
• ??ad??as?a pa???s?as?? e??? s?????? ?p?????st????
  p???? ?ts? ?ste a?t?? ?a µp????? ?a
  p??spe?????ta? a?e???t?ta ap? t? f?s???
  d?e???t?s? ? t? ?e???af??? ??s?
• ????????p???s? d?a??µ?st?? ?a?t?????? ?e?t?????a
  pe??ss?te??? t?? e??? ?e?t???????? s?st?µ?t?? st?
  ?d?? µ?????µa

25
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
S??????e? ??se?? st? ????? ?p?????st??

• ????p?????? epe?e??ast??
• ????????µ??? ?????µa µe d?? ? pe??ss?te????
  epe?e??ast??
• ?e?t??µ??? ep?d?s?, µe??µ??? ?ata????s? e????e?a?
  ?a? ap?te?esµat???te?? ta?t?????? epe?e??as?a
  p???ap??? e??as???

26
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????? ?p?????st??
?e??t? ?e??pt?s?? ?e???????a ? p????f?????
p?as????e?

• ??aß?ste t? ?e??t? ?e??pt?s?? ?a? s???t?ste ta
  a??????a e??t?µata
• ???a ep??e???µat??? ?a? ????????? p??ß??µata
  d?µ?????e? ? ?ata????s? e????e?a? ap? ???t?a
  ded?µ????
• ???e? ??se?? ?p?????? ?? a?t? ta p??ß??µata
  ???e? e??a? pe??ss?te?? f?????? p??? t?
  pe??ß?????
• ???? e??a? t? ep??e???µat??? ?fe??? ?a? t? ??st??
  a?t?? t?? ??se??
• Ta p??pe? ??e? ?? ep??e???se?? ?a ???????? p???
  t?? p??s??? ?p?????st??? ?a? ? ??? ?a? ??at?

27
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
????sµ??? ?e?t???????? S?st?µat??

• ????sµ??? p?? d?a?e????eta? ?a? e????e? t??
  d?ast????t?te? t?? ?p?????st?
• ?e?t??????? s?st?µata ??a PC ?a? d?as??des?
  ??af???? µe t? ???st?
• GUI
• Windows XP, Windows Vista, ?a? Windows Server
  2003
• UNIX
• Linux
• ????sµ??? a????t?? p??a??? ??d??a

28
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
?? ßas???? t?p?? ????sµ????
? s??s? µeta?? t?? ????sµ???? s?st?µat??, t??
????sµ???? efa?µ???? ?a? t?? ???st?? µp??e? ?a
pa?asta?e? µe µ?a se??? ???et?? p?a?s???. ??
????sµ??? s?st?µat?? p?? ap?te?e?ta? ap?
?e?t??????? s?st?µata, µetaf?ast?? ???ss?? ?a?
ß????t??? p?????µµata e????e? t?? p??sßas? st?
?????. ?? ????sµ??? efa?µ????, ?p?? ?? ???sse?
p????aµµat?sµ?? ?a? ?? ???sse? t?ta?t?? ?e????,
p??pe? ?a s??e????eta? µe t? ????sµ??? s?st?µat??
??a ?a µp??e? ?a ?e?t????e?. O ???st??
a????ep?d?? ?????? µe t? ????sµ??? efa?µ????.
?????a 4-7
29
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
????sµ??? ?fa?µ???? ?a? ???a?e?a ?a?a??????t?ta?

• G??sse? p????aµµat?sµ?? efa?µ???? ??a
  ep??e???se??
• COBOL
• C, C
• Visual Basic G??ssa ?pt???? p????aµµat?sµ??
• G??sse? t?ta?t?? ?e????
• ???a?e?a ????sµ???? p?? ep?t??p??? se te??????
  ???ste? ?a a?apt?ss??? efa?µ???? ????sµ????
• ???a? s?????? µ? d?ad??as?a??? ?a? µp??e? ?a
  ???s?µ?p????? f?s???? ???sse?

30
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
?at?????e? G??ss?? ??ta?t?? Ge????
???a?e?? ?e????af? ?a??de??µa
???a?e?a ????sµ???? PC ?a??ta ????sµ???? ?e????? ???s?? ??a PC WordPerfect Microsoft Access
G??ssa e??t?µ?t?? G??sse? ??a a???t?s? ded?µ???? ap? ß?se?? ded?µ???? ? a??e?a SQL
Ge???t??a a?af???? ??e?d??e?µ??a e??a?e?a ??a t? d?µ??????a e?at?µ??e?µ???? a?af???? Crystal Reports
G??ssa ??af???? ?a???s???e? ded?µ??a ap? ß?se?? ded?µ???? se µ??f? ??af???? SAS Graph Systat
Ge???t??a efa?µ???? ???-p????aµµat?sµ??e? ?e?t???????? µ???de? ??a t? d?µ??????a ????????? efa?µ???? FOCUS Microsoft FrontPage
?a??t? ????sµ???? efa?µ???? ??????µµata ????sµ???? p?? ?ata????? t?? a????? s????af?? e?d???? ????sµ???? Oracle PeopleSoft HCM, mySAP ERP
G??ssa p????aµµat?sµ?? p??? ?????? ep?p?d?? ??µ??????a ??d??a µe ????te?e? e?t???? ap ?,t? st?? s?µßat???? ???sse? APL Nomad2
31
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
????sµ??? ?fa?µ???? ?a? ???a?e?a ?a?a??????t?ta?

• ?a??ta ????sµ???? ?a? e??a?e?a pa?a??????t?ta?
• ????sµ??? epe?e??as?a? ?e?µ????
• ????sµ??? ????st???? f?????
• ????sµ??? d?a?e???s?? ded?µ????
• ????sµ??? pa???s??se?? µe ??af???
• S???te? ????sµ????
• F????µet??t?? ?st??

32
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
????sµ??? ????st???? F?????
33
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
????sµ??? ??a t?? ?st? Java, AJAX, and HTML

• Java
• ??t??e?µe??st?ef?? ???ssa p????aµµat?sµ??
  a?e???t?t? ap? ?e?t??????? s?st?µa ?a? ap?
  epe?e??ast?
• AJAX
• ?p?t??pe? se pe??t? ?a? d?a??µ?st? ?a
  a?ta???ss??? ded?µ??a st? pa?as?????, ?ste ?a
  ap?fe??eta? t? f??t?µa ????????? ?st?se??da? µet?
  ap? ???e a??a??
• G??ssa s?µe??s?? ?pe?-?e?µ???? (HTML)
• G??ssa pe????af?? se??d?? p?? ?a?????e? p??
  t?p??et???ta? ta st???e?a se µ?a ?st?se??da ?a?
  d?µ?????e? s??d?sµ??? p??? ???e? se??de? ?a?
  a?t??e?µe?a

34
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
?e??t? ?e??pt?s?? ???a??sµ?? Ta ????a???se? ?
Google st? ????sµ??? ??afe???

• ??aß?ste t? ?e??t? ?e??pt?s?? ?a? s???t?ste ta
  a??????a e??t?µata
• ???a e??a? ta ?f??? ap? t? ???s? t?? Google Apps
  ???a e?d? ep??e???se?? e??a? p??a??te?? ?a
  ep?fe?????? ???a e??a? ????te?? p??a??? ?a
  ?fe??????
• ?????? ?????? ?a µp????se ?a ??e? µ?a ep??e???s?
  ??a ?a s??e??se? ?a ???s?µ?p??e? e??a?e?a
  pa?a??????t?ta? t?? Microsoft Office
• ??a??t?ste st?? ?st? t? ????? µe t?t?? Microsoft
  Office Live Vs. Google Apps For Your Domain t??
  Preston Gralla (Sept?µß???? 2006). S?µf??e?te µe
  t? s?µp??asµa t?? s????af?a

35
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
?p??es?e? ?st??

• ?p??es?e? ?st?? (Web Services)
• St???e?a ????sµ???? p?? a?ta???ss??? µeta?? t???
  p????f???e? ???s?µ?p????ta? pa???sµ?a p??t?pa ?a?
  ???sse? ep????????a? st?? ?st?
• XML (epe?t?s?µ? ???ssa s?µe??s??)
• SOAP (ap?? p??t?????? p??sp??as?? a?t??e?µ????)
• WSDL (???ssa pe????af?? ?p??es??? ?st??)
• UDDI (?a?????? pe????af?, a?a?????? ?a?
  e?s?µ?t?s?)
• ?p??es??st?ef?? a???te?t????? (SOA)

36
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
??? ???s?µ?p??e? t?? ?p??es?e? ?st?? ? Dollar
Rent-A-Car
37
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
?p?d?µ? ?? ????sµ??? ?p?????st??
??se?? t?? ????sµ????

• ????sµ??? a????t?? p??a??? ??d??a
• Ubuntu
• ?p?????st??? ??f???
• Google Apps, Windows Live
• ?ß??d???? efa?µ???? (Mashups)
• ChicagoCrime.org
• G?af??? st???e?a (Widgets)
• Apple Dashboard

38
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????

• ?????aµµat?sµ?? d??aµ???t?ta?
• ??ad??as?a p?????s?? t?? s?µe??? ???esµ?? e???
  s?st?µat?? ??????
• ??asf???s? ?t? ? ep??e???s? ??e? a??et?
  ?p?????st??? ?s?? ??a t?? t?????se? ?a? t??
  µe????t???? a????e? t??
• St??? pa?????te? pe???aµß????ta?
• ? µ???st?? a???µ?? ???st??
• ? a?t??t?p?? ?f?st?µe??? ?a? µe????t????
  ????sµ????
• µ?t?a ep?d?s??
• ???sa?µ?s?µ?t?ta (Scalability) ? ??a??t?ta e???
  s?st?µat?? ?a epe?te??eta? ??a ?a e??p??ete?
  µe?????? a???µ??? ???st?? ????? ?a ?ata???e?

39
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????

• ???t??? ?????? ??st??? ?????t?ta? (TCO)
• ???s?µ?p??e?ta? ??a t?? a????s? t?? ?µes?? ?a?
  ?µµes?? ??st??? ??a ?a p??sd????ste? t?
  p?a?µat??? ??st?? ?at???? µ?a? ???sµ????
  te???????a?
• ?µesa ??st? ??st? a????? ?????? ?a? ????sµ????
• ?µµesa ??st? S??e?? d?a?e???st??? ??st?,
  a?aßa?µ?se??, s??t???s?, te????? ?p?st?????,
  e?pa?de?s?, ??st? ?ata????s?? ?a? a????t??
• ?fa?? ???da ???s?p??? ?p?st??????, ?????? e?t??
  ?e?t?????a?, p??s?et? d?a?e???s? d??t???
• ?? ????? ??st?? ?????t?ta? µp??e? ?a µe???e? µe
  µe?a??te?? s?????t??s? ?a? t?p?p???s? p????
  ?????? ?a? ????sµ????

40
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????

• ???s? pa????? te?????????? ?p??es???
• ???te???? a???es? (Outsourcing)
• ???s? pa????? e??te????? ?p??es??? ??a
• ?e?t?????a d??t???
• F????e??a ?a? d?a?e???s? ?st?t?p??
• ???pt??? ????sµ???? (e??????a a???es? ????sµ????)
• ??a?e???s? ?p?d?µ?? ??
• ??e?????ta? S?µf???e? ??a ?p?ped? ???p???t?s??
  (SLA)

41
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????

• ???s? pa????? te?????????? ?p??es???
• ?p?????st??? ?at? pa?a??e??a (ß????t???
  ?p?????st???)
• ?pa??a?? ep??e???se?? ap? a??µ?? ??t?s??
  ?p?????st???? ?s???? µetaß?ß????t?? t?? se
  ap?µa???sµ??a µe???a ???t?a epe?e??as?a?
  ded?µ????
• ????sµ??? ?p? µ??f? ?p??es?a? (SaaS)
• ?? ep??e???se?? ?????????? ?e?t?????e? ????sµ????
  ap? ?p??es?e? µ?s? ??ad??t???, p???????ta? e?te
  µ?a s??d??µ? e?te ??a ???e s??a??a??

42
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????

• ???sa?µ??? ????sµ???? ??a ep??e???µat???
  d?ast????t?ta se pa???sµ?a ???µa?a
• ??as??des? se t?p??? ???ssa
• ?a ??????? de? s????????ta? sta µesa?a ?a?
  ?at?te?a ep?peda p??s?p????
• ?? d?as??d?se?? e??a? pe??p???e? G?aµµ?? µe???,
  µ???µata sfa?µ?t??, f??µe? e?sa????? ded?µ????,
  ap?te??sµata a?a??t?s?? ?.?p.
• ??af???? st?? t?p???? ????t???e?
• ??af???? st?? ep??e???µat???? d?ad??as?e?
• ??e? a?t?? ?? pa?????te? a??????? t? ????? ??st??
  ?????t?ta? ??a t? ???s? pa????? te??????????
  ?p??es???

43
?????f???a?? S?st?µata ??????s?? ?ef??a??4
?p?d?µ? ?? ????? ?a? ????sµ???
??a?e???s? ?e???????a? ?????? ?a? ????sµ????
??t? ? ?st?se??da t?? Pearson Prentice Hall ??a
ta e??e???d?a t?? se???? Laudon µetaf??st??e sta
???e???? µe ta e??a?e?a µet?f?as?? Babel Fish t??
AltaVista. ??p??es?e? ?st?? ?a? d?as??d?se??
????sµ???? ??a pa???sµ?a s?st?µata µp??e? ?a
p??pe? ?a µetaf?ast??? se p????? ???sse? ?ste ?a
e??p??et??? ???ste? ap? ???a s?µe?a t?? ??sµ??.