Linux Hosting Training Course Level 1-6

1. BESM ALLAH

2. Linux Hosting Training Course
[Level 1-6]
Ramy Allam

3. OUTLINE
● What is Cloud Computing
● Service Model
● Deployment model
● Why Cloud ?

4. Cloud Computing
● Cloud computing is the delivery of computing
as a service rather than a product.
● Storing and accessing data and programs over
the Internet instead of your computer's.
● Google Apps, Emails, Virtual machines ..etc.

5. Service Model

6. Service Model
● IaaS : Infrastructure as a service
( Virtual Machines - Firewall - LoadBalancer)
● PaaS : Platform as a service
( Operating System - Programming env - DataBase –
WebServers )
● SaaS : Software as a service
( Google Apps - MS365 - Email - Online Games )

7. Service Model Responsibilities

8. Why Cloud ?
● Performance
● Pay as you go
● Scalability
● Geolocation

9. Performance
● High Speed
● Capacity Planning
● FailOver

10. Pay as you Go

11. Scalability
● SCALEUP ● SCALEDOWN
Time Frame
Usage ( Server Resources )

12. Geolocation

13. Deployment Model

14. Public Cloud
● A cloud is called a "public cloud" when the
services are rendered over a network that is
open for public use. Public cloud services may
be free or offered on a pay-per-usage model.
● Hosted at service provider.
● Elastic Resource Capacity
● Low Cost ( Pay as you go – Less staff )
● Shared Infrastructure

15. Private Cloud
● Private cloud is cloud infrastructure operated
solely for a single organization, whether
managed internally or by a third-party, and
hosted either internally or externally.
● Hosted internally or at service provider.
● High Cost
● Dedicated Infrastructure
● High Security

16. Hybrid Cloud
● Mix between Public and Private Cloud

17. CaseStudy
● Amazon Web Services
● RackSpace
● Digital Ocean
● Linode

18. Q/A
http://ramyallam.com/q.html