AWS Cloud Operations & Migrations Blog

Category: Mainframe & Legacy

Accelerate testing with AWS Mainframe Modernization Application Testing

During the modernization of mainframe applications, testing is the most important and time-consuming phase. AWS Mainframe Modernization Application Testing is an AWS cloud-native service generally available and designed to reduce testing time and cost at scale. In this blog post, we will describe the testing approach, its benefits and show an Application Testing walkthrough. Mainframe […]

Unlocking Mainframe Modernization for Success: Best practices to accelerate the mainframe to cloud journey

First introduced in the mid-20th century, mainframe systems continue to be the backbone of many enterprises relying on these systems for mission-critical applications. In fact, it is estimated that at least 71% of Fortune 500 companies use mainframe systems. Globally, 90% of credit card transactions happen on mainframe systems. According to IBM, USD 7.7 trillion […]

Demystifying mainframe technical debt and unlocking value of core application modernization

Although mainframe platforms still release new capabilities, customers are dealing with core-business application stacks that have accumulated substantial technical debt over decades. Applications use outdated technical components, interfaces, patterns, and data formats. This technical debt is the main factor causing negative impacts on release cycles, maintenance costs, and business outcomes. This critical issue can be […]

Strategizing Mainframe Scheduler Migration to AWS

Mainframe environments typically involve complex batch processing tasks used for critical and time-sensitive business operations. As mainframe applications are migrated to AWS using  AWS Mainframe Modernization service, similar batch processing capabilities are required. This blog explores the approach and patterns for selection and migration of the mainframe job scheduler to AWS. Overview AWS Mainframe Modernization […]

Leveraging Infrastructure as Code for AWS Mainframe Modernization with AWS CloudFormation

AWS Mainframe Modernization service supports AWS CloudFormation templates to manage environments and applications, allowing customers to leverage best practices of Infrastructure-as-Code (IaC) and DevOps. This post defines the architectural improvements fostered by CloudFormation for mainframe applications modernized with AWS cloud. We’ll then cover the benefits of IaC in specific contexts for modernized mainframe applications. We’ll […]

From Mainframe to AWS cloud: A comprehensive mapping guide

Mainframe systems are being utilized by companies worldwide since the 1950s to operate their core business applications and operations. In the digital transformation era, businesses are increasingly transferring mainframe data and migrating their workloads into AWS. Moreover, the recent COVID-19 pandemic has significantly impacted the modernization of mainframe systems due to remote access issues, scalability […]

AWS Mainframe Modernization – Refactor Legacy code base to Java using AWS Blu Insights

According to Reuters , there are 220 billion lines of code in customers’ production environments running Cobol and other legacy languages. Customers are looking to modernize their mainframe-based applications to take advantage of the AWS Cloud. These advantages help them to increase their agility, their capacity to innovate, and to benefit from the continual trends […]

Scaling for performance with AWS Mainframe Modernization and Micro Focus

Mainframe applications often execute business critical functions which have to be resilient, scalable, and cost efficient. When migrating and modernizing these applications with AWS, it is important to design an application and infrastructure architecture meeting the performance requirements while optimizing the cost and satisfying availability and scalability needs. This applies to both online and batch […]

Selecting File Systems for AWS Mainframe Modernization

Mainframe applications often execute business-critical functions, which have to be resilient, scalable, and cost-efficient. This imperative applies to the multiple layers and components supporting the application, including files, datasets, and their supporting storage systems. When modernizing these applications and files with AWS, choosing the right file-system for the right application data profile is essential. In […]

Developing enterprise applications on-demand with AWS Mainframe Modernization and Micro Focus

AWS Mainframe Modernization service delivers features and value across the entire mainframe application migration, modernization, execution, and operation lifecycle. The service enables two patterns – Re-platforming and Automated Refactoring. These are popular mainframe modernization patterns because they provide business and technical benefits in the short term with a predictable timeline and cost. The Micro Focus […]