PART 1

What is Cloud Computing

• On-demand
• IT resources
• Accessible online
• Pay as you go

What issues does Cloud computing address

• Low Cost
• Elastic
• Flexible
• Secure

AWS Histyory

• Launched in 2006
• 1 million active clients in 190 clountries
• 2000 gov. agencies
• 500 academic institutions
• 17500+ non profit
• 722 significant features since 2015

Of the top 15 Cloud vendors (2015):

• AWS
• MS
• Google
• CenturyLink
• VMWare
• IBM (Softlayer)
• Rackspace

AWS vs. On Premesis

• Large purchases with rpedetermined resources
• Building can be slow and expensive.
• Large capital purchases
• Requirement for physical space, cooling, power
• Requirement for cabling, networking, racks, servers, storage
• Requirement for Labor, certifications
• Upfront for everything
• Limited (Fixed) capacity or paying too much
• Upgrades required 1 – 5 years
• Long procurement times, labor intensive
• Limited geographical regions

AWS

• Continually lowering prices
• Optimize with pricing options
• 50% cost reduction
• Focus on Innovation (Apps, not Ops)
• Flexibility on capacity
• Fast and on-demand provisioning (Speed and agility)
• Geographically flexible (Global reach on demand)

PART 2 AWS Infrastructure

Anything you need for on-premisis available with AWS

• Security (Firewalls, NACLs, Access Mgment)
• Networking
• Servers
• Storage and Databases

Global Infastucture defined by

• Global regions
• Availability zones
• Edge Locations

This flexibility allows:

• Llower latency and higher throughput.
• Data resides only where clients need it
• As clients grow, they can expand their footprints

A region is a geographical area with 2 or more availability zones.

Choosing a region

• Optimize latency
• Minimize cost
• Regulatory requirements
• Resources in 1 region are not automatically replicated to another region.
• Should use encryption when moving data from one region to another (Public internet)

Availability Zones are:

• A collection of data centers within each region
• Isolated from other Availability Zones
• Connected by a low-latency link

Why is this important?

• Protects them from failures on other az
• Low latency allows other AZs to handle requests in case of failure
• Best practice is provision resources across multiple AZs

Edge Locations

• Host a Content Delivery Network (CDN) (Amazon Cloudfront)
• Can be used to deliver data that is
  • Static
  • Dynamic
  • Streaming
• Requests are automatically routed to nearest edge location delivering content faster to customers.