AWS Networking – Workshop Part 2
- Create two vpcs in two regions and ensure we have ec2 instances with some application running on http
- Create a Network/Application Load Balancer for each region
DNS (Domain Naming Server)
- DNS servers are used to store records mapping domain/host names to ip addresses
- Every system has a local DNS record
- Windows:
c:\windows\system32\drivers\etc\hosts - Linux
/etc/hosts
- Windows:
- Servers which store these records are called as Name Servers
- DNS servers which are used for public access are hosted by organizations and they are generally called as hosted zones
- Domains can be purchased by many third parties, In aws also we can register domains
- In AWS Route 53 is DNS as a Service
- For multi region solutions we use Route 53 Routing policies Refer Here
- To configure active-passive Refer Here
- If you want to try latency based routing Refer Here
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Note:
- The smallest subnet in AWS is /28 and largest is /8
- CIDRS can be expanded
