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DNS in the Cloud
Route53 & Dynect
21-12-2013, AWS User Group Bangalore Meetup
Habeeb Rahman | Apigee | @habi_pk
TTFB
VS
TTFDNSQR
Time To First Byte
(TTFB)
Time To First DNS
Query Response
(TTFDNSQR)
DNS Primer
UDP & TCP
Port 53
BIND & POWERDNS
DNS Types
Primary(Master)
Secondary(Slave)
Caching
Forwarding
Authoritative
Synergy
DNS Appliances
BT IPControl Sapphire
Citrix Netscaler
F5 Global Traffic
Manager
DNS in the Cloud
( Managed DNS)
Hosted vs Cloud
APIs
Modules
(Python,Ruby...)
Unicast vs Anycast
Unicast
DNS 1
1.1.1.1
INDIA

DNS
CLIENT
(INDIA)

DNS
CLIENT
(USA)
Anycast
DNS 1

1.1.1.1

INDIA
DNS
CLIENT
INDIA

DNS 1

1.1.1.1

USA
DNS
CLIENT
USA
Same destination IP but different routes
129.250.4.142
Health Check
Health Check Protocols
http
https
smtp
tcp
ping
Health Check - Dynect
Health Check - Route53
Round Robin
Weighted Round Robin
Active Failover
Global Server Load Balancer
Traffic Manager
(Dynect)
Traffic Director
(Dynect)
Real Time Traffic
Management Service
(Dynect)
Alias Record
(Route53)
Latency Based Routing
(Route53)
Demo Route53
(Active Failover)
Explore more...
https://www.isc.org/downloads/bind/
https://www.powerdns.com/
http://aws.amazon.com/route53/
http://dyn.com/
http://www.f5.com/products/big-ip/big-ip-global-traffic-manager/overview/
http://btdiamondip.com/DNS_Appliances.aspx
http://www.citrix.com/products/netscaler-application-delivery-controller/features/app-delivery/global-server-load-balancing.html

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DNS in the Cloud