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General purpose
generalpurpose-user-requirements.rst generalpurpose-technical-considerations.rst generalpurpose-operational-considerations.rst generalpurpose-architecture.rst generalpurpose-prescriptive-example.rst
An OpenStack general purpose cloud is often considered a starting point for building a cloud deployment. They are designed to balance the components and do not emphasize any particular aspect of the overall computing environment. Cloud design must give equal weight to the compute, network, and storage components. General purpose clouds are found in private, public, and hybrid environments, lending themselves to many different use cases.
Note
General purpose clouds are homogeneous deployments. They are not suited to specialized environments or edge case situations.
Common uses of a general purpose cloud include:
- Providing a simple database
- A web application runtime environment
- A shared application development platform
- Lab test bed
Use cases that benefit from scale-out rather than scale-up approaches are good candidates for general purpose cloud architecture.
A general purpose cloud is designed to have a range of potential uses or functions; not specialized for specific use cases. General purpose architecture is designed to address 80% of potential use cases available. The infrastructure, in itself, is a specific use case, enabling it to be used as a base model for the design process.
General purpose clouds are designed to be platforms that are suited for general purpose applications.
General purpose clouds are limited to the most basic components, but they can include additional resources such as:
- Virtual-machine disk image library
- Raw block storage
- File or object storage
- Firewalls
- Load balancers
- IP addresses
- Network overlays or virtual local area networks (VLANs)
- Software bundles