ITM 301 Chapter Notes - Chapter 7: Virtual Private Network, Remoteaccess, Cloud Computing

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 301
• Professor: Franklyn Prescod

Document Summary

Chapter 7 cloud computing and remote access (part 1) Cloud computing: flexible provision of data storage, applications, and services to multiple clients over a network. Cloud computing distinguishing features: on-demand service, elastic services and storage, support for multiple platforms, resource pooling and consolidation, metered service. Can provide virtual desktops: operating environments hosted virtually. Developers can load any kind of software on the servers and test it form afar: cloud services provider can make sure the development servers are secure and regularly backed up. Most cloud service providers use virtualization software to supply multiple platforms to multiple users. Cloud computing service models are categorized by the types of services provided: Hardware services and network infrastructure devices: paas (platform as a service) Os, runtime libraries or modules the os provides to applications, and the hardware on which the os runs: saas (software as a service) Applications: xaas (anything as a service) Public cloud: service provided over public transmission lines.