Billing and Pricing Flashcards
(36 cards)
What is Capex?
Capital expenditure
Pay up front - fixed sunk cost
What is Opex?
Operation expenditure
Pay for what you use - variable
What are the different pricing policies?
Pay as you go Pay less when you reserve Pay even less per unit by using more Pay even less as AWS grows Custom pricing
What are the fundamental drivers of cost with AWS?
Compute
Storage
Data outbound
Which services are free?
Amazon VPC Elastic Beanstalk CloudFormation IAM Autoscaling Opsworks Consolidated billing
What determines EC2 pricing?
Clock hours of server time Instance type Pricing model Number of instances Load balancing Detailed monitoring Autoscaling Elastic IP addresses Operating systems and software packages
What are the EC2 pricing models?
On demand - fixed rate by hour/second
Reserved - capacity reservation with discount for a contract of 1 or 3 years
Spot - bid whatever price you want for instance capacity, flexible start and end times
Dedicated hosts - physical EC2 servers
What determines price for lamda?
Request pricing - free tier = 1 million requests
Duration pricing - 400000 GB seconds per month free
Additional charges - incur if other AWS services or transfers of data
What determines the price of EBS?
Volumes (per GB)
Snapshots (per GB)
Data transfer
What determines price of S3?
Storage class (Standard or IA or 1 AZ IA etc)
Storage
Requests (GET, PUT, COPY)
Data transfer
What determines price for glacier?
Storage
Data retrieval times (Expedited, standard, bulk)
What determines the price for snowball?
Service per job
Daily charge
Data transfer - free to S3 but out of is not
What determines the price for RDS?
Clock hours of server time Database characteristics Database purchase type Number of database instances Provisioned storage Additional storage Requests Deployment type Data transfer
What determines the price for DynamoDB?
Provisioned throughput (write) Provisioned throughput (read) Indexed data storage
What determines price for cloudfront?
Traffic distribution
Requests
Data transfer out
What is AWS Budgets?
Set custom budgets that alert you when your costs or usage exceed your budget
Used to budget before costs have been incurred
What is AWS cost explorer?
Lets you visualise, understand and manage your AWS costs and usage over time
Used to explore costs after they have been incurred
What are the different AWS support plans?
Basic
Developer
Business
Enterprise
What are tags?
Key value pairs attached to AWS resources
Metadata
Tags can sometimes be inherited
What are resource groups?
Used to apply automation Include info: Region Name Employee ID Department
What specific information can tags contain?
EC2 - public and private IP
ELB - port configurations
RDS - database engine
What is tag editor?
Find resources and edit tags
Global service
What is AWS organisations?
an account management service that enables you to consolidate multiple AWS accounts into an organisation unit that you create and centrally manage
What are the two features of AWS organisations?
Consolidated billing
All features