AWS Route
- what is DNS, Route 53 …
Route 53 is also a Domain Registrar
Records Time To Live (TTL): to cache the result for the TTL of the record so that we don’t frequently ask for the same result.\
- High TTL: 24hr
- Low TTL: 60 sec.
Route Policy
- Simple
- Weighted: route to weighted domain
- Latency based: point to the one with less Latency
- Failover: health checks will determine whether the primary site is healt or not, and enable the second on (disaster recovery)
- Health checks
- Geolocation: routing based on user location or restricted content distribution
- Geoproximity: Route traffic to your resources based on the geograogic location of users and resources
- IP-based Routing: users are directed to direct to different IP based on their different IP address.
- Multivalue: