CIS 527
Lab 5 - The Cloud Overview
What is the cloud?

Image Source: Randall Munroe (XKCD)

Image Source: Wikipedia

Amazon Founder Jeff Bezos with an 1890s electric generator from a Belgian beer brewery
Image Source: Information Week

Jeffrey Energy Center near Wamego, KS
Image Source: Open Buildings

Image Source: Nicholas Carr
Cloud Computing
- Orignally "Time Sharing" in 1950s
- Network Diagrams used "Cloud" Symbol for Unknown Networks & Systems
- Business VPNs in 1990s
- Amazon Elastic Compute Cloud (EC2) in 2006

Image Source: Wikipedia

Image Source: Amazon
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
Why Cloud Computing?
- Location Independent
- Multi-Tenancy (Shared Costs)
- Reliability
- Scalability / Elasticity
- Security?

Image Source: Right Scale

Image Source: BMC Blogs

Image Source: David Ng at Oursky

Image Source: David Ng at Oursky

Image Source: Wikipedia
Cloud Threats
- Insecure Interfaces & APIs
- Data Loss & Leakage
- Hardware Failure
- Side-Channel Attacks
- Legal Data Ownership
- Lack of Physical Control
- Bigger Target for Hackers
Roadblocks
- Architecture
- Security
- Software
- Hardware
- Integration
- Control
- Business Transformation
Source: thinkJar Blog - Esteban Kolsky

Image Source: 2nd Watch
The Cloud
A Term for Many Things
- The Cloud is The Internet
- The Cloud is a Delivery Model
- The Cloud is a Computing Architecture
Source: thinkJar Blog - Esteban Kolsky
Me: The Cloud is a Point of View