Application modernization is the practice of updating older software for newer computing approaches, including newer languages, frameworks, and infrastructure platforms. This practice is also sometimes called legacy modernization or legacy application modernization. It is the software development equivalent of renovating an older home to take advantage of improvements to efficiency, safety, structural integrity and so forth. Rather than retiring an existing system or replacing it wholesale, legacy modernization extends the lifespan of an organization’s applications while also taking advantage of technical innovations.

App Modernisation

Key Technologies for Application Modernization

Containers

Orchestration and Automation

Microservices

Cloud Computing

Containers are a cloud-centric method for packaging, deploying and operating applications and workloads. The big-picture benefits associated with containerization include greater scalability, portability and operational efficiency that is well-suited for cloud infrastructure, and especially multi-cloud and hybrid cloud environments.

This is not so much a technology as an architectural choice. Instead of building and operating an application as a single, complete codebase—usually called a monolith, or monolithic development—you decouple different components into smaller, discrete pieces that can be deployed, updated and operated independently.

Orchestration in software development refers to the automation of many of the operational tasks associated with containers, including deployment, scaling and networking. Automation in general is an important principle and technology, as it is increasingly necessary to ensure that development, operations, and security.

When people discuss application modernization, they are typically referring to the process of migrating traditional applications to run in modern cloud environments. These include public cloud platforms, private clouds and hybrid clouds (which usually refer to public and/or private clouds integrated with on-premises environments.)

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