IaaS has a number of key benefits for organizations, which include but are not limited to these: -- - Usage is metered and priced on the basis of units (or instances) consumed. This can also be billed back to specific departments or functions.
- It has an ability to scale up and down infrastructure services based on actual usage. This is particularly useful and beneficial where there are significant spikes and dips within the usage curve for infrastructure.
- It has a reduced cost of ownership. There is no need to buy assets for everyday use, no loss of asset value over time, and reduced costs of maintenance and support.
- It has a reduced energy and cooling costs along with "green IT" environment effect with optimum use of IT resources and systems.

The software service capability gives the cloud customer a fully established application, where only minimal user configuration options are allowed.

Explanation
With international operations, systems ultimately cross many jurisdictional boundaries, and many times, they conflict with each other. The major hurdle to overcome for an organization is the lack of an ultimate international authority to mediate such conflicts, with a likely result of legal efforts in each jurisdiction.

GitHub is a software development platform that serves as a code repository and versioning system. It is solely used for software development and would not be appropriate for applying baselines to systems.
Puppet is an open-source configuration management tool that runs on many platforms and can be used to apply and maintain baselines. The Software Center Configuration Manager (SCCM) was developed by Microsoft for managing systems across large groups of servers. Chef is also a system for maintaining large groups of systems throughout an enterprise.