OpenVMS, once a ground-breaking ecosystem, has now hit the end of its life. With the digital landscape rapidly changing, organizations with mission-critical systems relying on OpenVMS now face a daunting challenge: Finding a sustainable, long-term solution. Fortunately, there are two common modernization pathways that organizations often consider when planning for the future of their OpenVMS applications – rehosting and hybrid migration.
Rehosting: Finding a New Home for OpenVMS
Rehosting involves moving applications from the OpenVMS environment to another operating system without modifying the code. This approach provides a quick and cost-effective solution for organizations, with minimal disruption to their current operations. Rehosting also allows companies to move on from legacy systems and reap the benefits of modern technology.
Hybrid Migration: Gradual Migration, Targeted Benefits
Hybrid migration combines the best of both worlds, balancing the advantages of rehosting and modernization. This approach leverages the strengths of OpenVMS while adopting new technology platforms, such as the cloud or virtualization solutions. Hybrid migration benefits include accessibility, scalability, flexibility, and improved security.
Critical Phases for a Successful Migration Project
No matter which pathway an organization chooses, detailed discovery, meticulous planning, and comprehensive testing led by domain experts are critical phases required for a successful OpenVMS migration project.
In the discovery phase, it's essential to understand an organization's current IT infrastructure, identify potential pain points, and map out precisely what needs to be done. This step helps establish a clear picture of project scope, timeline, and cost.
The planning phase involves designing the project and creating a roadmap for implementation. This step includes defining the migration approach, project team roles and responsibilities, and selecting the migration tools and methodologies.
Comprehensive testing, often overlooked, is a critical phase in the migration process. Robust testing identifies potential system errors, unexpected downtime, or data loss that could negatively impact business operations. Testing provides organizations with the confidence to migrate, and it helps identify and troubleshoot problems in advance.
OpenVMS migration is a challenging process, but it can also provide organizations with an opportunity to modernize legacy systems, improve efficiency, and reduce costs. Both rehosting and hybrid migration pathways offer their unique advantages, depending on the organization's goals and technology requirements. To achieve a successful migration, it's vital to undertake detailed discovery, develop a meticulous plan, and conduct comprehensive testing.
If you’re interested in learning more, our ebook further details the available options for migrating and modernizing applications currently running on OpenVMS and highlights the benefits that your organization can achieve through modernization. Discover Advanced’s modernization process for OpenVMS.
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