Know your resolvers

Know your resolversEric Kustarz | Senior Architect, FastlyVictoria Nguyen | Systems Engineer, Fastly

The DNS team

How we use Astral to make our customers love us

The Netherlands

User

London POP

HTTP

Amsterdam POP

ISP

Expectation Reality

Expectation Reality

Expectation Reality

Expectation Reality

Expectation Reality

Expectation Reality

Expectation Reality

Expectation Reality

New User

Expectation Reality

Expectation Reality

Expectation Reality

Amsterdam Pop

Dutch

“This pop is CACHE MONEY” in 18 reviews

“When I realized we could use a CDN that was built after Nick at Nite was on TV… mind blown” in 11 reviews

“Local clientele living on the edge” in 13 reviews

Open now

Anycast uses hops

Anycast uses hops

Anycast uses hops

Anycast uses hops

Anycast uses hops

Anycast uses hops

Anycast uses hops

Uh oh

Uh oh

Uh oh

Uh oh

Uh oh

Uh oh

Uh oh

Uh oh

append(LibertyGlobal, Ziggo…)

The migration to Ireland

The migration to Ireland

The migration to Ireland

The migration to Ireland

The migration to Ireland

The migration to Ireland

let’s override this s***t

Fastly’s solution

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

10.0.0.10=>AMS

10.0.0.10=>AMS

10.0.0.10=>AMS

Fastly’s solution

And it worked!

one benefit:lower latency

POP usage by NL Ziggo users

Time

Perc

enta

ge

AMS

LHR

LCY

FRA

second benefit:better hit ratio

The DNS team

Even if the other network gods turn on you, we got you.

Come see us

Vicky Nguyen

Eric Kustarz