201510
1+=IT"" 2
SaaS
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Google, Salesforce, Oracle,
Microsoft Azure
SaaS
ERP
AWS Microsoft Azure
PaaS Google
Ucloud
AWSMicrosoft AzureIBM
IaaS
/CDN Softlayer
Ucloud
1999 3 2007
Salesforce Salesforce
Force.com
SaaS
PaaS
2008 4
1999 9 Loudcloud IaaS
Google GoogleAppEngi ne
2005Amzon
AWS
IT
SaaS/IaaS
1999
2006
2014
2009
2015
3000
18.5%
2500 2000 1500 1000
952.4
18.0%
2441.6 18.0%
17.3%
1116.9
1317.7
17.5% 1804.6 1547.9
2094.8
16.6%
16.1%
17.5% 17.0% 16.6%16.5% 16.0%
500
15.5%
Gartner
0 2011
2012
2013
2014
2015E
2016E
2017E
15.0%
:30%
2500
20.5
2000
113.2
16.6
13
89.1
681
1500
PaaS
63.8
572.6
9.8
SaaS
1000
43.4
485
IaaS
7.2
29.5
403.1
1257
500
333.5
1001
754.4
354.3
534.6
0 2014
2015E
2016E
2017E
2018E
IDC
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1992--1997
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2014
1400 2012IDC 46033.3%210
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Netflix
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·
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20101040000 70002500 90% 2015.3
IT IT
,
IaaS/PaaS SaaS
---DT
2.0
1.0
2.0
70%
300% 0
130(5 2020 71"+"(40 "" " " 830 50 " "
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" 2015-
2014-2020
10500
1000
2015-2020
120
IT
2.11%
4.56%
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0.61% /
0.34%
0.74%
/ / 0.13% 19.45%
12.37%
APP 0.44%
3.99%
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7.84% IT 15.00% 2015.9
26.59%
9
2%
2%
16%
9% 20%
51%
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2%
32%
59%
2015.9
7
/ 27%
/ / 73% 2% 7% 52%
7 16%
3%
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2015.9
1230812306
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80
12308
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650/ 2447
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Cloud Computing for everyone!