Fundamentals Of Pricing
AWS Pricing Fundamentals
Section titled “AWS Pricing Fundamentals”-
Three fundamental drivers of cost with AWS:
- Compute
- Charged per hour/second (Linux only)
- Varies by instance type
- Storage
- Charged typically per GB
- Data transfer
- Outbound is aggregated and charged
- Inbound has no charge (with some exceptions)
- Charged typically per GB
- Compute
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How do you pay for AWS?
- “Pay for what you use”
- Pay only for services you consume
- No large upfront expenses
- No long-term contracts required
- Lower variable costs
- Quickly adapt to changing business needs
- “Pay less when you reserve”
- Reserved Instances (RIs) save up to 75%
- Options:
- All Upfront Reserved Instance (AURI) → largest discount
- Partial Upfront Reserved Instance (PURI) → lower discounts
- No Upfront Payments Reserved Instance (NURI) → smaller discount
- “Pay less when you use more” (volume-based discounts)
- Savings as usage increases
- Tiered pricing for services like S3, EBS, EFS
- Multiple storage services deliver lower costs based on needs
- “Pay even less as AWS grows”
- AWS focuses on lowering cost of doing business
- Passes savings from economies of scale to you
- Since 2006, AWS lowered pricing 75 times (as of September 2019)
- Future higher-performing resources replace current ones at no extra charge
- “Pay for what you use”
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Custom pricing
- Available for high-volume projects with unique requirements
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AWS Free Tier
- Free hands-on experience with AWS platform, products, services
- Free for 1 year for new customers
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Services with no charge:
- Amazon VPC
- AWS Identity and Access Management (IAM)
- Consolidated Billing
- AWS Elastic Beanstalk**
- AWS CloudFormation**
- Auto Scaling**
- AWS OpsWorks
- **Note: There might be charges for other AWS services used with these services
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Key takeaways:
- No charge (with some exceptions) for:
- Inbound data transfer
- Data transfer between services within same AWS Region
- Pay for what you use
- Start and stop anytime
- No long-term contracts required
- Some services are free, but other AWS services they provision might not be
- No charge (with some exceptions) for:
AWS pricing philosophy focuses on pay-as-you-go with no long-term commitments, while offering discounts for reservation and volume. Costs are driven primarily by compute, storage, and outbound data transfer.