AWS Architecture Blog

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This diagram shows the AWS architecture of Santander's Catalyst platform that provides AI capabilities to teams across the company.

Digital Transformation at Santander: How Platform Engineering is Revolutionizing Cloud Infrastructure

Santander faced a significant technical challenge in managing an infrastructure that processes billions of daily transactions across more than 200 critical systems. The solution emerged through an innovative platform engineering initiative called Catalyst, which transformed the bank’s cloud infrastructure and development management. This post analyzes the main cases, benefits, and results obtained with this initiative.

AWS multi-account architecture diagram showing hierarchical organization with Root, Audit, Monitoring, Deployment, and Tenant accounts containing various AWS services

6,000 AWS accounts, three people, one platform: Lessons learned

This post describes why ProGlove chose a account-per-tenant approach for our serverless SaaS architecture and how it changes the operational model. It covers the challenges you need to anticipate around automation, observability and cost. We will also discuss how the approach can affect other operational models in different environments like an enterprise context.

Sovereign failover – Design for digital sovereignty using the AWS European Sovereign Cloud

This post explores the architectural patterns, challenges, and best practices for building cross-partition failover, covering network connectivity, authentication, and governance. By understanding these constraints, you can design resilient cloud-native applications that balance regulatory compliance with operational continuity.

How Salesforce migrated from Cluster Autoscaler to Karpenter across their fleet of 1,000 EKS clusters

This blog post examines how Salesforce, operating one of the world’s largest Kubernetes deployments, successfully migrated from Cluster Autoscaler to Karpenter across their fleet of 1,000 plus Amazon Elastic Kubernetes Service (Amazon EKS) clusters.

How BASF’s Agriculture Solutions drives traceability and climate action by tokenizing cotton value chains using Amazon Managed Blockchain

BASF Agricultural Solutions combines innovative products and digital tools with practical farmer knowledge. This post explores how Amazon Managed Blockchain can drive a positive change in the agricultural industry by tokenizing food and cotton value chains for traceability, climate action, and circularity.

Figure 1: Secure Amazon EVS with AWS Network Firewall using centralized inspection architecture

Secure Amazon Elastic VMware Service (Amazon EVS) with AWS Network Firewall

In this post, we demonstrate how to utilize AWS Network Firewall to secure an Amazon EVS environment, using a centralized inspection architecture across an EVS cluster, VPCs, on-premises data centers and the internet. We walk through the implementation steps to deploy this architecture using AWS Network Firewall and AWS Transit Gateway.

Architecting for AI excellence: AWS launches three Well-Architected Lenses at re:Invent 2025

At re:Invent 2025, we introduce one new lens and two significant updates to the AWS Well-Architected Lenses specifically focused on AI workloads: the Responsible AI Lens, the Machine Learning (ML) Lens, and the Generative AI Lens. Together, these lenses provide comprehensive guidance for organizations at different stages of their AI journey, whether you’re just starting to experiment with machine learning or already deploying complex AI applications at scale.