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2019????4300

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??????????????IT??????2006???????????????
???????????????????2016IaaSPaaSSaaS?????654.83?20.6%?2020??1435.3???22%
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???????“”?Ԧ2015???56.5%???19.4%??15%??
???????1???21%???2015?4.2%???2016??10%2015????4.2%7.9%????????????
2015???12%???35%ۧ??20123.7%5%????????3%???????ħ?
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???????????????????????(2017-2019)??2019??????4300?????????????????
???????IaaS????????2020?IaaS????500??25%?
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