“87% of organizations are using public cloud. 74% of enterprises have a hybrid cloud strategy with more than half of those already using both public and private cloud solutions.”
2014 State of the Cloud Survey, RightScale
WHEN IS A PUBLIC CLOUD THE RIGHT CHOICE
MINIMIZING COSTS WHILE GAINING CLOUD BENEFITS
The public cloud is a multi-tenant environment where organizations buy a “server slice” in a cloud computing environment that is shared with a number of other clients (or tenants). Public cloud models are well-suited for small businesses, small government agencies, startups with limited budgets, as well as mid- and large-scale organizations that are seeking ways to reduce application costs.
The burden of ensuring system and application availability lies on the public cloud provider’s shoulders, as does security and making sure resources for each tenant are segregated from those of other tenants. That also means the public cloud provider is responsible for managing, maintaining, and updating the infrastructure at their premises, and that the burden of backup and recovery in the event of a system failure is on the provider as well.
Performing stress tests on as-needed basis on SaaS applications from a public cloud provider will help determine how well the application can withstand events such as sudden seasonal spikes in online demand for its products.