IAAS (Infrastructure as a Service) Infrastructure as a Service

IAAS definition

IAAS (Infrastructure as a Service) Infrastructure as a Service: in the form of a Service providing server, storage, and network hardware and related software. It is at the bottom of a three-tiered architecture refers to the enterprise or individual may use cloud computing technology to remote access to computing resources, including computing, storage and application virtualization technology provided by the relevant functions. Whether the end user, the SAAS provider or PAAS application providers can benefit from infrastructure services required computing power, but they don't need to support the computing power IT hardware and software associated with the basis of the original investment cost.

IAAS application characteristics and advantages

Application characteristics
●Complete operating system (hardware and software) access
●Cloud storage
●Limited access network components (firewalls, routers, load balancers) control
advantage
●Cost saving
●Flexible, can expand and contract at any time
●Safe and reliable
●Focus on core business

IAAS applications
●When you want to run a batch program group, but there is no suitable hardware and software environment, can use Amazon's EC2.
●When you want to publish on the Internet a short-term (a few days to a few months) website, can use Flexiscale.
●When you want to store huge amounts of documents on the Internet, but you don't have enough storage space, can use Amazon S3.