 There can be different types of hybrid clouds for specific tasks.The Infrastructure as a service (IaaS) model can be a hybrid cloud in that it could use operating systems and virtualization technologies from both a public and private cloud infrastructure to provide cloud services.Other models that mix on-premises cloud with public cloud technologies include Platform as a service (PaaS), which includes infrastructure services combined with development tools and middleware; and Software as a Service (SaaS), which is used to develop packaged software.