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The Cloud

Rob Keizer robert@keizer.ca Systems Administrator. The Cloud. What is it? Why is it popular? IT Considerations Utilization Specific EC2 Regions and Groups Images and Storage Instance Types and Pricing Network and Security Libcloud Basics Usage Example Application Basic AWS Usage.

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The Cloud

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  1. Rob Keizer robert@keizer.ca Systems Administrator The Cloud What is it? Why is it popular? IT Considerations Utilization Specific EC2 Regions and Groups Images and Storage Instance Types and Pricing Network and Security Libcloud Basics Usage Example Application Basic AWS Usage AWS Rackspace Linode Bluebox Brightbox Cloudsigma CloudStack Dreamhost ElasticStack ElasticHosts Gandi GoGrid IBM SBC OpenStack RimuHosting Serverlove Slicehost Vcloud Voxel Ninefold OpenNebula SkaliCloud Softlayer Vpsnet Eucalyptus

  2. What is it? • All encompassing platform • Compute Resources • Content Delivery • NoSQL Database • Managed SQL • In-Memory Cache • Map-Reduce • Managed DNS • Data storage EC2 CloudFront DynamoDB RDS ElastiCache Elastic MapReduce Route53 S3

  3. Why is it popular? • Awesome catchphrase! • “Cloud It” • “I'm hosted in the cloud” • Deceptively Low Pricing • Per usage • Everything costs some amount of money • Off-site • SLA • Scalable

  4. IT Considerations ~$115/month for Medium Instance $0.16 / hour Doesn't Include Bandwidth • Easy to administer • Large internet pipes • Off-site • Scalable • Per-Usage Billing • Uncontrollable Infrastructure • Network, Disk, Power. • Not Power-User Friendly • Legal

  5. Utilization • Netflix • Twitter • NYT • WSJ • Twilio • Amazon • Paypal • IBM • PBS - elastic-security.com

  6. Failure Thursday's crash happened at Amazon's northern Virginia data center, located in one of its East Coast availability zones. In its status log, Amazon said that a "networking event" caused a domino effect across other availability zones in that region, in which many of its storage volumes created new backups of themselves. That filled up Amazon's available storage capacity and prevented some sites from accessing their data. - CNN • Whats the IPv4 footprint of us-east-1? • Usable: 581 152 • Total: 4 294 967 296 • 0.013 % • Whats the IPv4 footprint of MTS? • Usable: 613 664 • Total: 4 294 967 296 • 0.014 %

  7. Regions and Groups A, B, C, D A, C A, B A, B, C A, B A, B A, B us-east-1 us-west-1 us-west-2 eu-west-1 ap-southeast-1 ap-northeast-1 sa-east-1

  8. Images and Storage • AMI stands for Amazon Machine Image • Public • Paid • Shared • S3 backed is split into series of 10Mb chunks • XML manifest file RedHat, Canonical, Microsoft, Joe Schmo Private and specific others AMI, including name, version, architecture, default kernel id, decryption key and digests for all of the filesystem chunks.

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