• Contents:

Traditional IT

• Server components:
  • Compute: CPU
  • Memory: RAM
  • Storage: Data
  • Database: Data storage with structure & intelligence
  • Network: Router, Switch, DNS server…
• Traditionally, servers bought and stored in data centers
  • Problems (wasted capacity, management overhead, pricing…)
  • Cloud Computing solves many of these problems

Cloud Computing (imported from Cantrill’s FREE Tech Fundamentals course)

NIST 800-145 Document

• For most of this section, we take this document as a reference
• URL: https://csrc.nist.gov/publications/detail/sp/800-145/final
• PDF

Detailed Pages

What is Cloud Computing?

Public vs Private vs Multi vs Hybrid Cloud

Cloud Service Models (XaaS)

Pricing of the Cloud - Quick Overview

• AWS has 3 pricing fundamentals, following the pay-as-you-go pricing model

1. Compute:
   • Pay for compute time
2. Storage:
   • Pay for data stored in the Cloud
3. Pay for data transfer OUT of the Cloud
   • ❗ Data transfer IN is free!