XaaS is a collective term for “anything as a service” or “everything as a service”. The acronym refer to the delivery over the Internet. XaaS is necessary for cloud computing.
DaaS stands for Desktop-as-a-Service, different type of an IaaS service. It talks about VDI solutions like VMware View. When the VDI infrastructure was moved into the could can reduce in enterprise spending as well as more increase in resources and decrease lower cost. There is a cloud brokerage model that occurs from that.
BPaaS stands for Business Process as a Service. BPaaS is automation. It is used to reduce work forces. It is in charged monthly instalments.
FaaS is a platform that allows customers to develop, run and manage application functions without the complexity of maintaining and building the infrastructure