Compute

AWS EC2 Compute Guide 2025: Instance Types and Best Practices

What’s New in 2025

Key Updates and Changes

  • 7th Generation Intel Instances: M7i, C7i, and R7i families with Sapphire Rapids processors
  • 15% Better Performance: Custom Intel processors exclusive to AWS
  • Graviton3 Dominance: Up to 40% better price-performance than Intel counterparts
  • Enhanced Networking: Up to 200 Gbps network performance on select instances
  • Intel Advanced Features: AMX for ML workloads, QAT, IAA, and DSA accelerators

Instance Family Updates

  • Deprecated: M3, C3 instances - migrate to M7i, C7i
  • New Compute: C7i with Intel AMX for ML inference
  • Memory Optimized: R7i supports up to 24TB memory
  • Storage Optimized: I4i with up to 30TB NVMe SSD
  • ML/AI Focus: P5 instances with H100 GPUs, Trn1 with Trainium chips

Major AWS Announcements

  • EC2 Capacity Blocks: Reserve GPU capacity for ML training
  • Spot Instance Integration: Better integration with EKS and ECS
  • Windows Server 2025: Full support with optimized AMIs

Understanding what AWS/EC2 provides for provisioning on-demand computing is essential for all DevOps. In 2025, choosing the right instance type can reduce costs by 40% or more.

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AWS VPC Guide 2025: From Basic Networking to VPC Lattice

What’s New in 2025

Key Updates and Changes

  • VPC Lattice GA: Application-layer networking for microservices across VPCs
  • IPAM Tiers: Free tier for single region, Advanced tier ($0.00027/IP/hour) for multi-region
  • IPv6 Adoption: Dual-stack configurations now standard practice
  • Enhanced Security: VPC Lattice enables zero-trust networking patterns
  • Service Network Endpoints: Connect services across accounts without complex routing

Major Service Evolution

  • VPC Peering: Still relevant for simple, pairwise connections
  • Transit Gateway: Remains the choice for hub-and-spoke architectures
  • VPC Lattice: New paradigm for application-layer connectivity
  • IPAM Integration: Automated IP management across organizations
  • Resource Gateways: New construct for secure resource sharing

Understanding what AWS provides for setting up private networks, security groups and more is important for anyone who calls themselves DevOps. In 2025, the networking landscape has evolved significantly with VPC Lattice and enhanced IPAM capabilities.

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AWS VPC

Understanding what AWS provides for setting up private networks, security groups and more is important for anyone who calls themselves DevOps.

AWS allows you to define a software defined network. You do this with Amazon Virtual Private Cloud (Amazon VPC). You can define subnets, ingress rules, security groups, NAT gateways, Internet gateways, and more.

Amazon VPC

A VPC is a virtual private cloud. You can create multiple Amazon VPCs within a region that spans multiple availability zones. A VPC is an isolated area to deploy instances.

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EC2 Compute

Understanding what AWS/EC2 provides for provisioning on-demand computing is essential for all DevOps.

Amazon Elastic Compute Cloud (Amazon EC2)

Amazon EC2 is AWS primary web service that provides resizable compute capacity in the cloud.

EC2 Compute

Compute is computational power needed for your use case. Amazon EC2 allows add compute resources through its Web Service API. EC2 allows you to launch instances. An instance is a server and you can install whatever software you need for your service or web application: NGINX, Apache httpd, Cassandra, Kafka, etc. When you launch a virtual server, an instance in EC2 speak, you can use it as you like just like you would a server in your datacenter. You pay for the compute power that you use. There are different instance types with various ranges of CPU, RAM, IO, and networking power. You pay for compute resources by the hour. You can use more instances and you can reserve instances for longer periods of time for a price break.

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