AWS Classroomnotes 07/Aug/2022

Hybrid Cloud Networking

• Hybrid Cloud Networking is all about establishing the private connectivity between virtual network(s) and On-premises
  • One to One:
    
  • One to Many:
    
  • Many to Many: This can be acheived by using virtual WAN or Hub-spoke on on-premises as well.
• Edge Locations or Point of Presence Locations: Smaller Datacenters present across the globe for Content Delivery Networks (CDN) and also enabling private connectivity between on-premises and Cloud. Solution offered by AWS is Direct Connect and by Azure is Express Route.
  

DNS

• History of DNS Servers: Refer Here
• DNS Record Types
  • A Record: Map domain name or fqdn to an ip address
    10.10.11.12 paychecks.qt.com
  • CNAME Record: Maps alias domain names
    facebook.com fb.com
• For the public DNS,
  • Azure has Azure DNS
  • AWS has Route 53

DMZ (De-militarized zone)

• Overview
  

CoLo

• Organizational servers hosted at common locations
• They might be maintained by your organization or can go with third party vendor