Introduction to AWS (2020)
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An introduction to the AWS ecosystem followed by a step by step evolution of web architectures from VMs to Containers and Serverless.
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Introduction to AWS (2020)
- 1. AN INTRODUCTION TO Wednesday 29th April 02020 John Dalziel @crashposition Tech Lunch and Learn 2020EDITION
- 2. Introduction • 30+ Years in Digital Media. • 20+ Years in Web Development. • 7 Years AWS Development. • Currently a DevOps Engineer for Capgemini, working at HMRC Digital. John Dalziel @crashposition
- 3. What we’ll cover • Amazon Web Services • AWS Architectures: Virtual Machines, Containers and Serverless • Q&A John Dalziel @crashposition
- 6. • Launched in 1995 • World’s biggest online retailer. • Handles one third of all US e-commerce. • Amazon is valued in excess of $1 trillion.
- 8. WEB SERVICES
- 9. MANAGED WEB SERVICES A Web Service is any cloud-based, managed service: examples: • Web Hosting (e.g. Wix, Squarespace) • Web Mail (e.g. GMail) • Web Storage (e.g. Dropbox)
- 10. • Security and Compliance is a shared responsibility between AWS and the customer. • System architecture choices can greatly influence this balance. SHARED RESPONSIBILITY
- 11. MANAGED WEB SERVICES SaaS Least Control Most Control Least Responsibility Most Responsibility PaaS IaaS Software as a Service Infrastructure as a ServicePlatform as a Service Wix, Squarespace, Shopify AWS, Google Cloud, Microsoft Azure Heroku, GoDaddy Software YOUR RESPONSIBILITIES Operating System Hardware Software Operating System Hardware Software Operating System Hardware
- 12. INFRASTRUCTURE AS A SERVICE • Amazon Web Services (launched 2002) • Google Cloud (launched 2004) • Microsoft Azure (launched 2009) Market Leaders
- 14. 2002
- 16. 2020
- 17. Compute Storage Databases Networking Security AMAZON WEB SERVICES
- 18. Machine Learning Mobile Satellite Robotics Dev Tools Analytics AR/VR Blockchain Gaming IoT
- 19. MODULARITY AWS is modular Amazon is modular Web Services are modular
- 20. WEB SERVICES are MODULAR • Web Services are modular and self contained. • Web Services have no external dependencies. • Communication is through a well defined API (Application Programming Interface).
- 21. AWS is MODULAR • Each service has a dedicated team. • Each service is self-contained. (no external dependencies) • Each service exposes an API.
- 22. AMAZON is MODULAR • All teams will henceforth expose their data and functionality through service interfaces. • Teams must communicate with each other through these interfaces. • There will be no other form of interprocess communication allowed: no direct linking, no direct reads of another team's data store, no shared-memory model, no back-doors whatsoever. The only communication allowed is via service interface calls over the network. Excerpts from a Jeff Bezos memo c2002. • It doesn't matter what technology they use. HTTP, Corba, Pubsub, custom protocols -- doesn't matter. Bezos doesn't care. • All service interfaces, without exception, must be designed from the ground up to be externalizable. That is to say, the team must plan and design to be able to expose the interface to developers in the outside world. No exceptions. • Anyone who doesn't do this will be fired. • Thank you; have a nice day!
- 23. – Benedict Evans https://www.ben-evans.com/benedictevans/2017/12/12/the-amazon-machine “Amazon, then, is a machine to make a machine - it is a machine to make more Amazon”
- 31. PRIVATE NETWORK
- 32. AWS is available in 22 Geographical Regions (4 more planned) Each region contains multiple Availability Zones (AZ’s) Each AZ can span one or more data centres. PRIVATE NETWORK
- 33. PRIVATE NETWORK Region Availability Zone Availability Zone Availability Zone VPC Public Subnet Private Subnet Public Subnet Private Subnet Public Subnet Private Subnet
- 34. VPC: Virtual Private Cloud PRIVATE NETWORK Public Subnets Private Subnets Routing Tables Internet Gateway VPN Gateway
- 35. PRIVATE NETWORK
- 36. SERVERS
- 37. EC2: Elastic Compute SERVERS Virtual Machines Instance Type CPU, Memory, Network I/O OS Linux or Windows Location Region & AZ Firewall Rules Security Groups
- 38. SERVERS
- 41. DNS
- 42. Route 53 DNS • Highly Available Public and Private DNS. • Full support for IPv4 and IPv6. • DNS Failover, DNS Health Checks, Latency Based Routing, Geo DNS, Geoproximity…
- 45. SSL CERTIFICATE
- 48. https://www.example.com DNS Split the APP from the DATABASE
- 49. Split the APP from the DATABASE https://www.example.com DNS
- 50. DATABASES
- 51. RDS: Relational Database Service DATABASES AWS Aurora MySQL Postgres MySQL MariaDB Postgres Oracle DB MS SQL Server
- 52. Other Databases DATABASES DynamoDB DocumentDB MongoDB ElastiCache Redis Memcached Neptune Timestream QLDB Key-value Database Document Database In-memory Database Graph Database Time Series Database Ledger Database
- 56. OBSERVABILITY
- 57. Cloudwatch OBSERVABILITY • Centralised Logs, Metrics and Events for AWS Services. • Send your own Logs to Cloudwatch. • Set Alarms and Automate action based on Metrics.
- 60. APP SCALABILITY
- 61. Elastic Load Balancing APP SCALABILITY Network Load Balancer Layer 4 (TCP, UDP, TLS) Application Load Balancer Layer 7 (HTTP, HTTPS)
- 66. STATIC CONTENT
- 67. STATIC CONTENT S3: Simple Storage Service Cloudfront Data Object Storage Global Content Delivery Network (CDN)
- 72. CONTAINERS
- 73. AWS Services for Docker Containers CONTAINERS Elastic Container Service ECS for Kubernetes Elastic Container Registry
- 78. WEB API
- 79. AWS Services to expose an API WEB API API Gateway Internet Gateway for APIs API Gateway provides a unified front end to a wide range of back end services. EC2 ECS Lambda
- 83. SERVERLESS
- 84. Functions as a Service SERVERLESS Lambda Serverless Functions Step Functions Serverless Pipelines Fargate Serverless Containers
- 86. SERVERLESS FUNCTIONS https://www.example.com https://cdn.example.com https://api.example.com DNS
- 87. SERVERLESS PIPELINES https://www.example.com https://cdn.example.com https://api.example.com DNS
- 88. SERVERLESS CONTAINERS https://www.example.com https://cdn.example.com https://api.example.com DNS
- 89. FIN
- 91. Learn More • https://aws.amazon.com/free/ AWS Free Tier • https://aws.amazon.com/architecture/ well-architected/ AWS Well Architected • https://aws.amazon.com/summits/ AWS London Summit John Dalziel @crashposition
- 92. AN INTRODUCTION TO Wednesday 29th April 02020 John Dalziel @crashposition Tech Lunch and Learn 2020EDITION