CA Telon to Cloud Conversion

Our Automated CA Telon Conversion solution delivers modern Cloud-enabled applications and databases that are functionally equivalent to their legacy counterparts, eliminating the hassle and expense of CA Telon and the mainframe. This reduces cost, allows for deeper integration, and enables customization to meet business requirements.

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Discussing the 2022 Mainframe Modernization Report

60 minutes

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Why modernize?


Scarcity of domain expertise

Developers who understand CA Telon and mainframe technology are reaching retirement age and no one is being trained to replace them, resulting in a steadily diminishing talent pool. As this shortage grows, the costs and risk of relying on CA Telon will continue to rise.

Exorbitant costs

Mainframes running CA Telon cost as much as 4,500 per cent more to operate than equivalent Cloud counterparts. This quandary is compounded by CA Telon's rising licensing and maintenance fees.

Limited flexibility

Companies are rapidly moving to modern environments and practices such as DevOps and the Cloud. CA Telon and the underlying systems that support it were not designed for modern IT, resulting in difficult integrations and limited flexibility.

Automated CA Telon Refactoring


Our Automated CA Telon Refactoring solution preserves the benefits of legacy systems while empowering organizations to leverage the advantages of newer platforms, especially the Cloud. This unlocks a whole new world of quality and scalability from automated testing, to quality assurance, and the ability to leverage containerized deployments and orchestration with Docker and Kubernetes.

We use proprietary automated tooling to ensure all business rules and functionality are preserved, then extrapolate the CA Telon-generated source into an intermediate state. This streamlines the code base and removes any dependencies on CA Telon-specific libraries or runtime routines. It optimizes the application for the process of automated refactoring to object-oriented Java or C#.

After go-live, Java and C# developers can extend application functionality for Cloud optimization using standard DevOps tools and CI/CD concepts that simply aren’t available for mainframe applications. Object-oriented application architectures conform to web-centric requirements and will run on any Java application server (i.e. WebSphere, WebLogic, Apache Tomcat, etc.) or on Microsoft IIS when the target language is C#. Precious business logic from the legacy system is preserved, while levels of optimization can be applied to deliver efficiencies and business benefits such as elasticity, granular service definition, and easy integration with Cloud-native services. 

Refactoring a fourth-generation language like CA Telon to object-oriented Java or C# presents many challenges. As such, our Automated CA Telon Refactoring process was designed with the following requirements in mind:

  • Refactored applications must remain functionally equivalent to their original counterparts
  • Refactored applications must be easily maintainable, attain SonarQube A ratings, and follow object-oriented concepts and paradigms
  • Refactored applications should perform as well as, or better than, the original applications
  • Refactored applications should be Cloud-ready and delivered using a standard DevOps toolchain and best practices

Learn more

Over 35 years of CA Telon and mainframe modernization experience

More than 500 successful modernization projects completed

Over 2.5 billion lines of code refactored through automation

Intelligent modernization, unparalleled experience


Additional resources to help you modernize



They won't Telon you anymore

This whitepaper covers the current state of CA Telon in the enterprise and the most efficient, low-risk way to modernize CA Telon applications.

Read whitepaper





How to begin your modernization journey

By joining this webinar you will discover how assessments provide stakeholders with valuable insight to inform mainframe modernization decisions.

Watch on demand





2022 Mainframe Modernization Report

Exploring the impact of the new era of digitalization and change on the current state of legacy systems and organizations' modernization plans.

Read report



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Dec 02, 2022 by Tim Jones, Managing Director of Application Modernization, Advanced

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Oct 21, 2022 by Tim Jones, Managing Director of Application Modernization, Advanced

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Aug 03, 2020 by Rob Anderson, Vice President of Marketing and Product, Advanced

News & Opinions

BLOG // 23-03-2023

The importance of careful partner selection for cloud migration

by Tim Jones, Managing Director - Application Modernization

The importance of careful partner selection for cloud migration