also: アイアス
noun
Infrastructure as a Service; IaaS
Cloud computing service model providing virtualized computing resources over the internet.
当社はIaaSを利用してサーバーを構築した。
Our company built servers using IaaS.
Software as a Service; delivers software applications over the internet, on a subscription basis.
Abbreviation of the English term 'Infrastructure as a Service', adopted into Japanese as a loanword.