Migrate Amazon ECS service communication to Amazon VPC Lattice

This article provides a comprehensive guide to migrating Amazon ECS service communication from internal Elastic Load Balancing (ELB) to Amazon VPC Lattice, offering advanced Layer 7 routing, authentication, and observability capabilities.

• The migration process involves several key steps:
  • Creating VPC Lattice target groups for backend ECS services
  • Configuring ECS to dynamically add container IPs to target groups
  • Creating VPC Lattice constructs (service network, services, listeners)
  • Updating Route 53 records to point to VPC Lattice services
• Prerequisites include:
  • AWS CLI or CloudShell
  • IAM permissions for VPC Lattice and ECS
  • Proper security group configurations
• Migration can be done through either the ECS Console or CLI
• Key benefits include:
  • Advanced L7 routing
  • IAM-based authentication and authorization
  • Deep observability
  • Simplified service-to-service communication

The article provides a detailed walkthrough of the migration process, including command-line examples and best practices for minimizing downtime and ensuring smooth transition.