Tweet
Tweet

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Code to 
 Current Account @simonvc & @mattheath

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@simonvc @mattheath

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@simonvc @mattheath

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Legacy banks

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Number of banks running entirely* free* software.

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Number of banks running entirely* free* software.

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Rebuild everything * Go microservices * Git as Change management * Realtime and API

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Go ❤ * Emphasis on
 correctness * Performant * Lean

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"Plan to throw your first one away." Mesos -> Kubernetes RabbitMQ -> LinkerD Cloud Formation -> Terraform

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Terraform

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github.com/hashicorp/vault/ pull/2241 Cassandra storage backend

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Builds

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0 40 80 160 120 Feb 2015 June 2017 200 Number of services 240

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Service Service

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Service Service Service Service

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Service Service Service Service HTTP HTTP

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Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation

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Service Service Service Service HTTP HTTP ?

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Service Service Service Service HTTP HTTP linkerd

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Service Service Service Service HTTP HTTP linkerd service discovery

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Service Discovery Load Balancing Timeouts and Expirations Retries Rate Limiting Connection Pooling Circuit Breaking Failure Detection Metrics and Tracing Interrupts Context Propagation

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Service Service Service Service HTTP HTTP linkerd service discovery

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Service Service Service Service Service linkerd host A Service

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Service Service Service Service linkerd host B Service Service Service Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service

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Service Service Service Service linkerd host B Service Service Service Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service

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Service Service Service Service linkerd host B Service Service Service Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service

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Service Service Service Service linkerd host B Service Service Service Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service

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Service Service Service Service linkerd host B Service Service Service Service Service Service Service linkerd host A Service Service Service Service Service Service linkerd host C Service

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Amazon 
 eu-west-1

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Amazon 
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Amazon 
 eu-west-1 colocation
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Amazon 
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Amazon 
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Amazon 
 eu-west-1 colocation
 dc 1 colocation
 dc 2 BGP BGP BGP BGP

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Amazon 
 eu-west-1 colocation
 dc 1 colocation
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Amazon 
 eu-west-1 colocation
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third parties colocation AWS Hardware
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third parties colocation AWS Hardware
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third parties colocation AWS “connectivity” pod Quagga (BGP) services Hardware
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third parties colocation AWS “connectivity” pod Quagga (BGP) services ?????? VPN client BGP

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third parties colocation AWS “connectivity” pod Quagga (BGP) services ?????? VPN client BGP

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP Linux HA Linux HA

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP Linux HA Linux HA

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third parties colocation “connectivity” pod Quagga (BGP) VPN client BGP

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B A

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active standby

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active standby

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active standby

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active standby

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standby active

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third parties colocation AWS “connectivity” pod Quagga (BGP) services ?????? VPN client BGP

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third parties colocation AWS “connectivity” pod Quagga (BGP) services HA VPN
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Amazon 
 eu-west-1

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Build: Terraform Secure: Vault Develop: Vagrant Provision: Packer

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monzo.com/careers

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monzo.com/careers