Blazar is a resource reservation service for OpenStack. Idea of creating Blazar originated with two different use cases:
Now these ideas have been transformed to more general view: with Blazar, user can request the resources of cloud environment to be provided (“leased”) to his project for specific amount of time, immediately or in the future.
Both virtual (Instances, Volumes, Networks) and hardware (full hosts with specific characteristics of RAM, CPU, etc) resources can be allocated via “lease”.
In terms of benefits added, Resource Reservation Service will: