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Jeff Bezos in front of an 1890s electric generator from a Belgian beer brewery
Image Source: Information Week
Cloud Computing
- Originated in "time sharing" in the 1950s
- Early network diagrams used a cloud for unknown networks
- Businesses started using VPNs in the 1990s
- Popularized in 2006 by Amazon's Elastic Compute Cloud (EC2)
Virtual Private Networks
Image Source: Wikipedia
Service Oriented Architecture
Image Source: Wikipedia
Cloud Computing Characteristics
According to NIST
- On-demand self-service
- Broad network access
- Resource Pooling
- Rapid elasticity
- Measured Service
What makes Cloud Computing Work
- Location Independent
- Multi-tenancy (share costs)
- Reliability
- Scalability / Elasticity
- Security
Service Models
- Infrastructure as a Service (IaaS)
- Platform as a Service (PaaS)
- Software as a Service (Saas)
- Data as a Service (Daas)
- <Anything> as a Service
Deployment Models
- Private Cloud
- Public Cloud
- Hybrid Cloud
- Community Cloud
- Distributed Cloud
- Intercloud/Multicloud
Big Players in the Cloud
- Amazon Web Services
- Microsoft Azure
- IBM SmartCloud
- Rackspace Cloud
- Heroku
- Google
- HP
Cloud Threats
- Insecure Interfaces & APIs - 29%
- Data Loss & Leakage - 25%
- Hardware Failure - 10%
- Legal Data Ownership
- Lack of Physical Control
- Big Targets for Hackers
Open Stack
- Started in 2010 by Rackspace Hosting & NASA
- Open source project to help companies with cloud computing
- Includes many components needed for cloud computing
The Cloud as a Term
- The Cloud as the Internet
- The Cloud as a Delivery Model
- The Cloud as a Computing Architecture
Source: thinkJar Blog - Esteban Kolsky
Assignments
- Lab 4 - Directory Services: Due Monday 3/27 11:30 AM
- Lab 5 - The Cloud: Due Monday 4/3 11:30 AM
