Route 53 Routing Policies Flashcards
routing policy
R53
defines how R53 responds to queries
R53
types of polices (4/8)
routing policy
- simple
- weighted
- latency
- failover
- geolocation
- geoproximity
- IP-based
- multivalue answer
routing policy
simple
routing policy
returns multiple values
routing policy
who picks the address to use
simple routing policy
client picks which address to use
simple routing policy
alias limitation
simple routing policy
can only point to one AWS resource
simple routing policy
health check limitation
simple routing policy
no health check
simple routing policy
weighted
routing policy
used to control which portion of requests to direct to each resource
routing policy
how to control weights
weighted routing policy
assign each record a weight value
weighted routing policy
record limitations
weighted routing policy
records must have same name and type
weighted routing policy
how to stop traffic to one resource
weighted routing policy
set weight to 0
weighted routing policy
use case
weighted routing policy
test new application version in production
weighted routing policy
latency
routing policy
redirect user to resource/region with least latency
routing policy
where latency is measured
latency routing policy
measured between users and AWS regions
latency routing policy
health check feature
latency routing policy
can use health checks
latency routing policy
health check feature
weighted routing policy
can use health checks
weighted routing policy
failover
routing policy
routes traffic to primary first
routing policy
mandatory object
failover routing policy
health check
failover routing policy
what happends when health check fails
failover routing policy
route to secondary
failover routing policy
geolocation
routing policy
routing based on user location
routing policy
location options (4)
geolocation routing policy
- continent
- country
- US state
- default
geolocation routing policy
default record
geolocation routing policy
used when no other location matches
geolocation routing policy
optional setting
geolocation routing policy
health checks
geolocation routing policy
use cases (2)
geolocation routing policy
- website localization
- regional content restrictions
geolocation routing policy
geoproximity
routing policy
uses bias value to route traffic in geographic areas
routing policy