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🌐 3.Amazon EC2 - Coggle Diagram
🌐 3.Amazon EC2
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💲 EC2 Pricing Models
- On-Demand: Pay by second/hour (short-term, flexible)
- Reserved Instances (RI): Up to 72% discount (1-3 years)
- Savings Plans: Commitment-based, flexible usage
- Spot Instances: Up to 90% discount (interruptible workloads)
- Dedicated Hosts/Instances: Fully isolated physical servers
- Capacity Reservations: Reserve capacity in specific AZs
📂 EC2 Instance Types
- General Purpose: Balanced (Web servers, code repositories)
- Example: t2.micro (Free tier)
- Compute Optimized: High CPU (Batch jobs, gaming)
- Memory Optimized: Large data processing (Databases, caching)
- Storage Optimized: High I/O workloads (OLTP, data warehousing)
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m5.2xlarge → Class, Generation, Size
🚀 Core Concepts
- EC2 (Elastic Compute Cloud) – Virtual servers in the cloud
- IaaS (Infrastructure as a Service) – Virtual machines, storage, and scaling
- VM (EC2) – Rent virtual machines
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- ASG (Auto Scaling Group) – Scale resources dynamically
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