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Amazon web services: A Quick Introduction from Cloudreach
- 1. Amazon Web ServicesA quick introduction
- 2. Part 1: Thewhistle-stop tour
- 3. Cloud Computing Computingresources provided "as a service" Multiple concurrent customers Per-usage billing Scalable Infrastructure (IaaS), application platforms (PaaS), software (SaaS)
- 4. Amazon Web Services(AWS) Image adapted from Amazon Web Services
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- 7. Pay as youuse
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- 12. Part 2: UseAWS to meet typical requirements
- 13. Requirement: ScalabilityAmazon EC2 with auto scaling: Do not scale up unless you need it Scale down if you don't any more
- 14. Autoscaling Scale up(and down) EC2 instances depending on demand Combine with Elastic Load Balancing
- 15. Requirement: GeographicalSpread Amazon EC2 regions and Availability Zones: Multiple regions, independent Availability Zones per region Amazon CloudFront Content Distribution Network (US, EU, Asia)
- 16. Regions Multiple AvailabilityZones per region US East 4 AZs US West 2 AZs Ireland 2 AZs Singapore 2 AZs
- 17. Requirement: Redundancyand Availability Host across regions and availability zones Replacement instances in a few minutes
- 18. Availability Zones Per-region Architected independently Low cost, low latency, inter-AZ comms Run instances across AZs Disaster recovery using AZs
- 19. AWS Redundancy andAvailability Elastic Block Storage (EBS) Redundant within AZ S3 Snapshots for across-AZ redundancy Annual Failure Rate: 0.1% - 0.5% (10 times as reliable as commodity disks) Simple Storage Service (S3) Redundant across AZs Replicate across regions 99.999999999% durability, 99.99% availibility Elastic Cloud Compute (EC2) 99.95% availability per region Availability of at least 1 region/4 running:99.9999999999999% Available across AZs Can be migrated across regions
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