Migration & Modernization
Category: Architecture
Mastering Multi-Region Resilience and Scalability: Active-Active Design with Amazon ElastiCache Redis
This post is co-written by Jayadev Sirimamilla from Citibank, along with Sayan Deb Ghosh and Dibyarup Basu from TCS. Introduction: The Active-Active Redis Challenge in Cloud Migration In today’s digital-first world, milliseconds (ms) matter, especially for global financial institutions processing millions of transactions. Customers need their financial transactions to be instantly recorded, reflected, and accessible […]
Modernizing Legacy Applications with Event-Driven Architecture: The Leave-and-Layer Pattern
When your 20-year-old monolithic application needs new features and you can’t afford downtime or risk breaking existing functionality, what do you do? This challenge faces countless organizations running mission-critical legacy systems that power their business but struggle to keep pace with modern requirements. At AWS, we often hear from customers who need to modernize their […]
Beyond Automation: Why Cloud Reinvention Drives True Business Transformation
Introduction: The Missed Opportunity in the Cloud Consider companies that simply moved their existing business models to digital platforms without reimagining the underlying processes. Many became irrelevant while competitors transformed entire industries. Yet this mirrors what many organizations do today. They migrate legacy processes to the cloud without reimagining them. AWS defines seven migration strategies […]
Ask not what your CMDB can do for you—ask what you can do for your CMDB
The Missing Link in Cloud Modernization: A Trusted CMDB Walk into any IT organization and mention the words Configuration Management Database (CMDB), and you’ll usually get one of two reactions: either a hopeful nod about its promise, or a sigh about its failure. A CMDB maps IT assets—or configuration items (CIs)—such as servers, databases, applications, […]
Building for Scale and Speed: How Turnitin Accelerated Innovation with Micro-frontend Architecture on AWS
This post is co-written with James Chao, Distinguished Software Engineer from Turnitin. In this post we discuss how Turnitin migrated from a monolithic frontend to a micro-frontend architecture built on AWS to support their growth, improved user experience and faster feature releases. We’ll discuss their previous monolithic frontend architecture, the key drivers for an architectural […]
Navigating Conflicting Decisions in Your Cloud Migration and Modernization Journey
When one enterprise moved its aging systems to the cloud, the CTO faced a tough choice: rehost apps (lift and shift applications as-is) for speed or refactor (modify applications) for long‑term cloud benefits. Rehosting meant getting there fast but sacrificing efficiency, while refactoring promised scalability but delayed growth. This kind of trade‑off isn’t unique. From […]
Aligning Strategy and Execution for Successful Cloud Migration and Modernization Journeys
Cloud transformation requires balancing centralized control with decentralized flexibility across both strategy and execution dimensions, with organizations typically needing to align their approach with specific business goals while remaining adaptable.
Overcoming Barriers to Large-scale Data Modernization
Data modernization is the process of updating or improving an organization’s data infrastructure and systems to make data more accessible, usable, and valuable. It involves implementing modern technologies and approaches to optimize data management, storage, processing, and analysis. Data modernization accelerates innovation and decision making by democratizing and simplifying data access across the enterprise. While […]







