Cloud Computing: Chapter 1 Introduction

Platform as a Service (PaaS)

- A Platform within which developers can deploy their applications - PaaS solutions include: hardware (servers and disks), operating systems, development tools, administrative tools

Hybrid Cloud

- A cloud that consists of two or more private, public or community clouds.

Software as a Service (SaaS)

- A complete software application with a user interface

Public Cloud

- Available for use by the general public. - May be owned by a large organization or company offering cloud services.

Cloud Computing

- Describes the abstraction of web based computer,s resources, and services that system developers can use to implement complex web based systems

Private Cloud

- Owned by a specific entity and normally used only by that entity or one of its customers . - The underlying technology may reside on or off site - offers increased security at a greater cost.

Infrastructure as a Service (IaaS)

- Provides machines, storage and network resources that developers can manage by installing their own operating systems, applications and support resources

Community Cloud

- The cloud shared by two or more organizations, typically with shared concerns (such as schools within a university).