Application Modernization Services refer to the processes and services offered by IT consulting firms, software development companies, or in-house teams aimed at updating and transforming legacy software systems to align with current technologies and business strategies. The goal is to make existing applications more efficient, scalable, secure, and better equipped to meet the evolving demands of the business and its customers.
These services typically involve:
1. Re-platforming: Moving an application from an outdated platform to a newer one without significantly changing its core architecture. This could involve moving a legacy system to a cloud-based platform.
2. Refactoring: Restructuring and optimizing existing code without changing its external behavior to improve nonfunctional attributes and to make it more amenable to future updates.
3. Rehosting: Transferring an application from one environment to another, often with minimal changes to the code. This is sometimes referred to as a "lift-and-shift" approach and is commonly used for migrating to the cloud.
4. Re-architecting: Making significant changes to the application's architecture to shift it to new application patterns, like microservices, which can offer greater agility and scalability.
5. Rebuilding: Rewriting the application from scratch while preserving its scope and specifications. This is often considered when the existing codebase is too outdated or complex to be salvaged.
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