MIS 301 Chapter 12

Linux

An open source software operating system.

Hardware Clouds

A cloud computing model in which a service provider makes computing resources such as hardware and storage, along with infrastructure management, available to a customer on an as-needed basis.

Structured Query Language (SQL)

A language used to create and manipulate databases.

Utility Computing

A form of cloud computing where a firm develops its own software and then runs it over the internet on a service provider's computer.

Software as a Service (SaaS)

A form of cloud computing where the firm subscribes to a third party software and receives a service that is delivered online.

Server Farm

A massive network of computer servers running software to coordinate their collective use. Server farms provide the infrastructure and backbone to SaaS and hardware cloud service, as well as many large scale internet services.

Service Level Agreement (SLA)

A negotiable agreement between the customer and the vendor. The SLA may specify the availability, serviceability, performance, operation, or other commitment requirements.

Scalability

Ability to handle either increasing workloads or to easily expanded to handle workload increases. Systems that are not expandable often require significant rewrites.

LAMP (Linux Apache MySQL Perl/Python/PHP)

An acronym standing for Linux Apache MySQL of any several programming codes that start with a P such as Perl/Python/PHP

Fixed Cost

An activity cost that must be met without regard to level of output; an input cost that is spatially constant.

Total Cost of Ownership (TCO)

An economic measure of the full cost of owning a product. TCO involves direct costs such as purchase price, as well as indirect prices such as training costs, support and maintenance.

Cloud Bursting

Describes the use of cloud computing to provide excess capacity during periods of spiking demand, usually as an overflow service.

Microtransactions

Microtransaction is a business model where users can purchase virtual goods via micropayments.

Cloud Computing

Replacing computing resources (either an organization's or an individual's hardware or software) with services provided over the internet.

Open Source Software (OSS)

Software that is free and where any one can see and potentially modify the code.

Marginal Cost (Variable Cost)

The cost of producing one more unit of one more product.

Black Swans

Unpredictable, but highly impactful events. Scalable computing resources help a firm deal with spiking impact from a black swan event.