Redundant VoD Streaming Service in a Private Cloud: Availability Modeling and Sensitivity Analysis

Table 1

Nomenclature of states.

State	Description
Fap	Apache failure, the service is unavailable
Fapvlc	Apache and VLC failure, the service is unavailable
Fall	Failure of all components (VLC, Apache, and VM)
UP	Service available
Fvlc	Failure of the VLC, the service is unavailable