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Mariano Cunietti CTO at Enter
@mcunietti
ONCE YOU GO CLOUDYOU NEVER GO DOWN
Everything failssooner or later
(sh*t happens)
Once you go cloud you never go down / enter.it / @enterteam 2
This is why we should learn the design for failure
Once you go cloud you never go down / enter.it / @enterteam 3
Say hello to
Regions
Milano
Paris
LondonAmsterdam
Frankfurt
Once you go cloud you never go down / enter.it / @enterteam 5
Once you go cloud you never go down / enter.it / @enterteam 7
OpenStack
COMPANIES
20M+555
LINES OF CODE
32343INDIVIDUAL MEMBERS
COUNTRIES
177
Once you go cloud you never go down / enter.it / @enterteam 9
Services
Once you go cloud you never go down / enter.it / @enterteam 10
Services
Once you go cloud you never go down / enter.it / @enterteam 12
Let’s build a highly available system with Enter Cloud Suite
Once you go cloud you never go down / enter.it / @enterteam 13
yourwebsite.com
DNS
WSECS Compute
ECS Compute
ECS Block Storage
ECS DNSaaS
Storage
DB
Once you go cloud you never go down / enter.it / @enterteam 14
#1 Avoid single points of failure
Once you go cloud you never go down / enter.it / @enterteam 15
yourwebsite.com
DNS
Storage
DB
WSWS WS WS
Snapshot
Object
Once you go cloud you never go down / enter.it / @enterteam 16
yourwebsite.com
DNS
Storage
DB
WSWS WS WS
Once you go cloud you never go down / enter.it / @enterteam 17
#2 Setup Health Checks
WSWS WS WS
Once you go cloud you never go down / enter.it / @enterteam 18
yourwebsite.com
DNS
DB
Storage
Once you go cloud you never go down / enter.it / @enterteam 19
ECS Health Check
yourwebsite.com
DNS
WSWS WS WS
Storage
DB
Once you go cloud you never go down / enter.it / @enterteam 21
Snapshot
Snapshot
Snapshot ECS Object Storage
DB
WSWS WS WS
yourwebsite.com
DNS
ObjectStorage
Once you go cloud you never go down / enter.it / @enterteam 22
#4 Add load balancers
Once you go cloud you never go down / enter.it / @enterteam 23
WSWS WS WS
yourwebsite.com
DNS
DB
LB
Once you go cloud you never go down / enter.it / @enterteam 24
#5 Use Shared Filesystems
Once you go cloud you never go down / enter.it / @enterteam 25
WSWS WS WS
yourwebsite.com
DNS
DB FS
LB
Storage Storage
Once you go cloud you never go down / enter.it / @enterteam 27
Milano Amsterdam
yourwebsite.com
DNS
LB LB
WSWS WS WS
DB FS
WS WS
DB FS
Replication
Once you go cloud you never go down / enter.it / @enterteam 28
Milano Amsterdam
yourwebsite.com
DNS
LB LB
WSWS WS WS
DB FS
WS WS
DB FS
Once you go cloud you never go down / enter.it / @enterteam 29
Milano Amsterdam
yourwebsite.com
DNS
LB LB
WSWS WS WS
DB
WS WS
DB
Replication
Once you go cloud you never go down / enter.it / @enterteam 30
#7 Scale and autoscale
Once you go cloud you never go down / enter.it / @enterteam 31
WSWS WS WS
yourwebsite.com
DNS
DB
LB
Once you go cloud you never go down / enter.it / @enterteam 32
WSWS WS WS
yourwebsite.com
DNS
DB
LB
Once you go cloud you never go down / enter.it / @enterteam 33
WSWS WS WS WSWS
yourwebsite.com
DNS
DB
LB
Once you go cloud you never go down / enter.it / @enterteam 34
WSWS WS WS WSWS
yourwebsite.com
DNS
DB
LB
Once you go cloud you never go down / enter.it / @enterteam 35
WSWS WS WS
yourwebsite.com
DNS
DB
LB
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User from Milano
User from London
User from Paris
Milano Amsterdam
Users from Milano and Paris Users from London
ECS DNSaaS
DNS
LB
WSWS WS WS
DB
LB
WSWS WS WS
DB
Once you go cloud you never go down / enter.it / @enterteam 38
#9 Bring content closer to your users
Once you go cloud you never go down / enter.it / @enterteam 39
User from MilanoUser from
New YorkUser from Tokyo
CDNStatic content
Static content
CDNCDN
CDN
CDN
CDNCDN
ECS CDN
WS
OBJECT STORAGE
Once you go cloud you never go down / enter.it / @enterteam 41
#1 Avoid single points of failure
#2 Setup Health Checks
#3 Take snapshots
#6 Go multi-region
#7 Scale and autoscale
#8 Use GeoDNS
#9 Bring content closer to your users
#4 Add load balancers
#5 Use Shared Filesystems
Mariano Cunietti CTO at Enter @mcunietti
Thank you
YOU WILL STILL FALLBUT IT WILL HURT LESS
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