On Demand: Predictable, Short Workload, Pay by second Reserved: 1 or 3 year terms Convertible: can change instance type Savings plan: Commit for dollars Spot: Auction Dedicated Hosts: Rent a Server, Its all yours 💀
On Demand
- Pay for what you use
- Linux or windows : billed by second after first minute
- Other OSes billing per hour
- No long term commitment
- Short term workloads, unpredictable
RI
- 72% discount than On Demand
- Specific instance attributes are reserved (Type, Region, Tenance, OS)
- Period 1 (+) or 3 years (+++).
- Payment options (paying before)
- No Upfront +
- Partial Upfront ++
- All upfront +++
EC2 Savings Plan
Commit to usage, with discount, beyond that is billed on demand Like, 2,62,974.60) Beyond that is on demand. 75000
Spot Instance
90% discount, but the instances will be lose Workload resilient to failure You can’t enable termination protection for spot instances
Dedicated Host
Dedicated host for your EC2 instances Compliance requirements, VM software licences like per core, per server Purchasing On-Demand: Pay per second Reserved: 1 or 3 years (upfront options) License with complicated licensing model
Dedicated Instances (DI)
- Instances run on hardware dedicated to you, but we don’t have control over the hardware unlike DH
Capacity Reserveation
- Reserve On Demand instances.
- Billed even if you don’t run any instances on the account