1992~1996 : 2
1995~2000 : 2
2001~2002 : 11 ,
2003~2007 : (4, 10 , 31 )

(1987-1996)
)

, ,
[- ]
, (interoperability)
,

,



(, PDA )
ICAT2005

4
ICAT2005
SOA
(Web Services)

“URI , XML , , ” - W3C
“ SOAP, WSDL, UDDI ” -
“ , , . ” - Ovum

SOA(Services Oriented Architecture)
CBDI
“ (consumer) (granularity) (policy), (practice), (framework)”
: , (invoke), (publish), (discover)
(decomposition)
ICAT2005


SOA
.
.
.
.
SOA
SOA
SOA
JINI : Network Plug and Play
UPnP : Universal Plug and Play
ICAT2005
SOA
SOA





, ,


Loosely coupling

ICAT2005
SOA (Cont’d)

,






ICAT2005
SOA
(Shared Service)
·

···e·
: 2004 12







UDDI
ICAT2005
SOA
SOA



ICAT2005
SOA


CBD

enterprise
CBD

CRM, ERP


ICAT2005
SOA
SOA



RPC (Remote Procedure Call)

SOA (Apache, WebSphere, Windows Server, WebLogic ) SOA


ICAT2005
SOA (Cont’d)

. . SOA


EAI SOA EAI EAI


ICAT2005
SOA (Cont’d)



ICAT2005

(Service Identification)
? ? (granularity) ?




(Service Packaging)
(wrapping) ?


(Service Routing)
?

ICAT2005
(Cont’d)
?



ICAT2005
SOA



(bottleneck)





P2P



ICAT2005

SOA






(, , PDA )
ICAT2005
SOA

•
••

SOA
SOA
ICAT2005
SOA
22.wmf




5


5

















1

2

3

4

N