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Amazon recently published a page titled AWS Solutions Pages:
We’ve just put a number of AWS Solution pages on line to provide more information about some of the more popular ways that our customers put AWS to use.
Here’s what we have:
- Application Hosting
- Backup Storage
- Content Delivery
- E-Commerce Applications
- Enterprise IT
- HPC Applications
- Media Hosting
- Search Engines
- Web Hosting
- iPhone Application Hosting
- Facebook Application Hosting
Each page identifies the challenges inherent in the use case, highlights the ways that AWS can be put to use, identifies the benefits of using AWS, and links to appropriate resources.
About a month ago Amazon announced that Amazon EC2 Instances Now Can Boot from Amazon EBS, so you’re not forced to store images on S3, and boot directly from EBS, gaining faster boot time, persistent OS, and other goodies.
A good comparison of running instances from S3 vs. EBS can be found here:
Amazon EC2 Concepts » AMI and Instance Concepts » AMIs
| Root Device | Instance Store | Amazon EBS |
| Boot Time | Usually Less than 5 minutes | Usually Less than 1 minute |
| Size Limit | 10 GiB | 1 TiB |
| Location | Instance storage | Amazon EBS volume |
| Data Persistence | Data persists for the life of the instance; non-root devices can use Amazon EBS | Data persists on instance failure and can persist on instance termination |
| Upgrading | Instance attributes are fixed for the life of an instance | The kernel, instance type, and ramdisk can be changed while the instance is stopped. |
| Charges | Instance usage and AMI storage | Instance usage, Amazon EBS volume usage, and AMI Storage |
| AMI Creation | Requires installation and use of AMI tools | Uses a single command/call |
| Stopped State | Cannot be in stopped state; instances are running or not | Can be placed in stopped state where instance is not running, but state is maintained in Amazon EBS |
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