(SDD408) Amazon Route 53 Deep Dive: Delivering Resiliency, Minimizing Latency | AWS re:Invent 2014
Jun 29, 2015
Learn how to utilize Amazon Route 53 latency-based routing, weighted round-robin, and other features in conjunction with DNS failover to direct traffic to the least latent, most available endpoints across a global infrastructure. We explore topics such as balancing traffic between endpoints in terms of load and latency, and discuss how to provide multi-record answers to improve client-side resiliency. As part of this session, Loggly will present how they utilize Route 53 for their traffic management needs.
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Transcript
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health
health
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weight
health
health
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weight
health
health
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weight
health
health
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weight
Record Type Health Check Value Weight
reinv.net ALIAS (EvaluateTarget) prod.reinv.net 100
reinv.net ALIAS reinv-fail.s3-website 0
prod.reinv.net ALIAS (EvaluateTarget) prod-1.elb 50
prod.reinv.net ALIAS (EvaluateTarget) prod-2.elb 50
A/B deployment
prod-1prod-2
Staging Production
reinv.net
software
DNS wave deployments
Wave 1
Staging environment
Production
Wave i
Wave j
. . .
Wave k
. . .
Wave n-1 Wave n
Edge
location
Edge
location
Stripe 1 Stripe 4
API deployments
Customer
fleet (1/2)
Batch fleet
(1/2)
Operations
fleet (1/2)Operations
fleetBatch fleet
Customer
fleet
Wave 1
Staging environment
ProductionCustomer
fleet (2/2)
Batch fleet
(2/2)
Operations
fleet (2/2)
Wave 2
Wave 3 Wave 4 Wave 5
Host
A?
Host
B?
Host A
Host B
Host A
Host
B?
Host B
Host A
Host B
Record Type Health Value Failover
host-a A 198.51.100.3
host-b A 203.0.113.53
both A 198.51.100.3
203.0.113.53
a-healthy ALIA
S
Host B? both Primary
a-healthy ALIA
S
None host-a Secondary
a-unhealthy ALIA
S
Host B? host-b Primary
a-unhealthy ALIA
S
None both Secondary
api ALIA
S
Host A? a-healthy Primary
api ALIA
S
None a-unhealthy Secondaryhttps://github.com/awslabs/route53-infima
prod-1
load <
50%?
prod-2
load <
50%?
weight
weight
prod-1
load <
90%?
weight
prod-2
load <
50%?
weight
weight
prod-1
load <
50%?
prod-2
load <
50%?
weight
weight
prod-1
load <
90%?
weight
prod-2
load <
50%?
weight
weight
Record Name Type Value Weight
50-50.stacks ALIAS prod-1 50
50-50.stacks ALIAS prod-2 50
Record Comment Type Health Check Value Weigh
t
p1lt50 P1 < 50 ALIAS prod-2 load <
50%
50-
50.stacks
100
p1lt50 P1 < 50 ALIAS None 60-
40.stacks
0
Record Name Type Health Check Value Weight
50-50.stacks ALIAS prod-1 50
50-50.stacks ALIAS prod-2 50
…
p1lt50 ALIAS prod-2 load < 50% 50-50.stacks 100
p1lt50 ALIAS None 60-40.stacks 0
…
p1ge50 ALIAS prod-1 load < 90% p1ge50-p1lt90 100
p1ge50 ALIAS None p1ge50-p1ge90 0
…
www ALIAS prod1-load < 50% p1lt50-p2lt50 100
www ALIAS None p1ge50-p1lt90 0
CollectorCollector Collector
Loggly Pipeline
CollectorCollector Collector Collector
Loggly Pipeline
health +
Geo
health +
LBR
health
health +
Geo
health +
LBR
health
http://www.awsarchitectureblog.com
https://github.com/awslabs/route53-infima
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Record Name Type Value Weight
*.api ALIAS prod-1 50
*.api ALIAS prod-2 50
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