DNS in the Cloud

DNS in the Cloud Route53 & Dynect

21-12-2013, AWS User Group Bangalore MeetupHabeeb Rahman | Apigee | @habi_pk

TTFB VS

TTFDNSQR

Time To First Byte(TTFB)

Time To First DNS Query Response

(TTFDNSQR)

DNS Primer

UDP & TCPPort 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 1.1.1.1INDIA

DNS CLIENT (INDIA)

DNS CLIENT (USA)

Anycast

DNS 1 1.1.1.1INDIA

DNS CLIENT INDIA

DNS 1 1.1.1.1USA

DNS CLIENT

USA

Same destination IP but different routes

129.250.4.142

Health Check

Health Check Protocolshttp

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