Cloud computing in a nutshell

A very basic introduction for people interested to know about cloud computing

1. Cloud Computing In a Nutshell Mehmet Gonullu 2013© [email protected] http://www.mgonullu.com

2. Definition A model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction (NIST, 2011)

3. Copyright Sam Johnson

4. Cloud Computing Types Software as a Service SaaS Platform as a Service PaaS Infrastructure as a Service IaaS Other types: Database as a Service, Desktop as a Service, Storage as a Service…

5. Software as a Service Software are hosted in the cloud No need for local software installation Main use: Email, CRM, Office Suites,… Examples: Google Apps, Office 365, Amazon Web Services, Salesforce … Benefits: Fast Deployment, Flexible Customization

6. Platform as a Service Hardware and Software facilities provided to develop web applications Main Use: Development Environment, web servers, Databases,… Benefits: Remove the cost of maintaining a local development environment, faster ROI for new software startup Examples: Google App Engine, OpenStack , Windows Azure

7. Infrastrucure as a Service Virtual Datacenter components are provided eg . Virtual Machines, Virtual Networks, Storage,… Main Use and benefits: Elastic Resource Provisioning, On demand scaling capabilities, Out of the box Computing resources Example: Amazon EC2, Rackspace,…

8. Cloud Computing Types Private cloud: in-house managed cloud intended for a single enterprise use Public cloud: Used by cloud services providers Community cloud: group of private clouds shared between 2 or more organization Hybrid Cloud: a combination of clouds from the above types

9. Cloud Computing and Security concern Data Protection over the cloud Availability of cloud computing providers Legalization Security Standards are held with providers

10. Cloud Computing Future Trends SaaS remains the fast growing one with more companies offering competitive prices for enterprise software solutions IaaS is also continuing to grow with IT outsourcing booming and organizations looking for higher ToC and ROI. PaaS is allowing more startups to appear and pursue their places with big players

11. References NIST http:// csrc.nist.gov/publications/nistpubs/800-145/SP800-145.pdf Wikipedia: http:// en.wikipedia.org/wiki/Cloud_computing TechTarget : http:// www.computerweekly.com/news/2240089111/Top-five-cloud-computing-security-issues Cisco: http://blogs.cisco.com/smallbusiness/the-top-5-security-risks-of-cloud-computing / Technet : http:// blogs.technet.com/b/privatecloud/archive/2012/04/04/what-is-infrastructure-as-a-service-iaas.aspx