CPSC 4820 - DAY 1
JANUARY 11, 2018

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SaaS - Software as a Service
IaaS - Infrastructure as a Service
PaaS - Platform as a Service
Haas - Hardware as a Service

AWS - Amazon Web Services

AWS is used for enterprise customers, public sectors, startups

Some things you can do:

	-Application support
	-Web Servers

Cloud vs On-Premises Comparison

+-----------------------------------+-----------------------------------------+
| Cloud				    |	On-Premises			      |
+-----------------------------------+-----------------------------------------+
| No upfront investment		    | Large initial purchases		      |
| Low on-going costs		    | Labor, patches and upgrade cycles	      |
| Scalable and Elastic		    | Fixed capacity			      |
| Speed and agility		    | Procurement and setup		      |
| Global reach and demand	    | Limited geographic regions	      |
| Deploy for lower latency          | 					      |
+-----------------------------------+-----------------------------------------+

Network attached storage (NAS)
Direct attached storage (DAS)

s3 - simple storage service
efs - elastic file system
ebs - elastic block store

AMI - Amazon Machine Image

VPC - virtual private cloud

Region
	Geographic location
	Consists of at least two Availability Zones (AZ)

Availability Zones
	Clusters of data centers
	Isolated from failures in other Availability Zones
	Connected through low-latency links

Edge Locations
	Provides a few services (like Route53)

Foundation Services
	Compute (Virtual, Auto-scaling)
	Storage
	IAM