Buster is Darby 's pet puppy who appeared in the series My Friends Tigger & Pooh.
IT as a service. IT as a service (ITaaS) is an operational model where the IT service provider delivers an information technology service to a business. The IT service provider can be an internal IT organization or an external IT services company.
What is XaaS? The X refers to âanythingâ or âeverythingâ as a service. XaaS has frequently been used as an umbrella term to encompass SaaS (Software-as-a-Service), PaaS (Platform-as-a-Service), and IaaS (Infrastructure-as-a-Service).