In this AWS re:Invent 2023 session, Justin Davies, a Product Manager at Amazon, explores Amazon VPC Lattice architecture patterns and best practices. He discusses how VPC Lattice simplifies application layer networking, bridging the gap between admins and developers. The presentation covers key components of VPC Lattice, including services, service networks, auth policies, and service directories. Davies explains how VPC Lattice enables seamless connectivity across VPCs and accounts, provides strong security through authentication and authorization, and offers enhanced visibility for troubleshooting. He also delves into new features, common architecture patterns, and answers frequently asked questions about VPC Lattice implementation. The session aims to help attendees understand how VPC Lattice can streamline their application networking, improve security posture, and enable faster development cycles.