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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark Adrian Hornsby, Cloud Architecture Evangelist @adhorn Going Global with Serverless!

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. https://xkcd.com/1428/

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Failures are a given and everything will eventually fail over time. Werner Vogels CTO – Amazon.com “ “

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Netflix 2013

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Disaster recovery Applications in US West Applications in US East Users from San Francisco Users from New York Service 1 Service 2 Service 3 Service 4 Service 1 Service 2 Service 3 Service 4

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Netflix 2016

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Improve latency for end-users ~300ms ~140ms 18 Geographic Regions 55 Availability Zones (AZs) 5 regions and 15 more Availability Zones announced

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS Region and availability zones Region Availability zone a Availability zone b Availability zone c data center data center data center data center data center data center data center data center data center

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Multi-AZ architecture Region Availability zone a Availability zone b Availability zone c Application Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Multi-region Region Availability zone a Availability zone b Availability zone c Application Region Availability zone a Availability zone b Availability zone c Application Application Application Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. No servers to provision or manage Scales with usage Never pay for idle Availability and fault tolerance built in Why serverless components??

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Serverless components Region Availability zone a Availability zone b Availability zone c Serverless Services

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Prerequisits to building a multi-region architecture.

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. CAP Theorem Consistency Availability Partition Tolerance Data is consistent. All nodes see the same state. Every request is non-failing. Service still responds as expected if some nodes crash. Distributed System In the presence of a network partition, you must choose between consistency and availability!

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Embrase eventual consistency … if no new updates are made to a given data item, eventually all accesses to that item will return the last updated value. Availability An eventually consistent system can return any value before it converges!! https://en.wikipedia.org/wiki/Eventual_consistency Distributed System Every request is non-failing.

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Secure and reliable global network

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Global routing

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Routing policies with Route 53 Region Region Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Latency based routing Region Region Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Geo-based routing Region us-east-1 Region us-west-2 Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Weighted round robin routing Region us-east-1 Region us-west-2 Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. DNS failover Region us-east-1 Region us-west-2 Application Application

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Shallow health check Instance Cache node Email database Cluster Are you healthy? yes

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Shallow health check Instance Cache node Email database Cluster Are you healthy? yes

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Deep health check Instance Cache node Email database Cluster Are you healthy? yes Are you healthy? yes yes yes yes

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Deep health check Instance Cache node Email database Cluster Are you healthy? no Are you healthy? no yes yes yes

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 https://global.adhorn.me Regional API Endpoint Custom Domain Name Regional API Endpoint Custom Domain Name API Gateway

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Build high performance, globally distributed applications Low latency reads & writes to locally available tables Disaster proof with multi-region redundancy Easy to set up and no application rewrites required Globally dispersed users Replica (N. America) Replica (Europe) Replica (Asia) Global App Global Table Amazon DynamoDB Global Tables Fully managed, multi-master, multi-region database

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Amazon S3 cross-region replication Bucket with objects Bucket with objects

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Multi-region multi-vpc connectivity Region Region VPC VPC VPC VPC VPC VPC Peering Amazon Backbone Peering https://aws.amazon.com/answers/networking/aws-multiple-region-multi-vpc-connectivity/

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Testing multi-region architecture.

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. GameDay at Amazon https://www.youtube.com/watch?v=zoz0ZjfrQ9s

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Chaos engineering https://github.com/Netflix/SimianArmy

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© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark Hands-on demo

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 Global Table https://global.adhorn.me

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 Global Table

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 Global Table

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 Global Table

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Region us-east-1 Region us-west-2 Global Table https://globalddb.adhorn.me Voilà!

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. https://medium.com/@adhorn

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© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential and Trademark Thanks you! @adhorn

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Route53: Traffic Policy

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© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved. Health checks with Route 53