A legacy application is any software based on outdated technologies being used for day-to-day operations. Therefore, legacy-system modernization is a vital aspect of the overall business digitization that makes you ready for the digital future. This presentation describes the benefits of legacy system modernization, a checklist for performing system modernization, and the techniques of doing so in a hassle-free manner. For more such fascinating blogs, click: https://www.capitalnumbers.com/blog

1. How to Tackle
Legacy System
Modernization
- A Business Owner's Guide
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2. First, What is a
Legacy Application?
Legacy application is any software based on outdated
technologies being used for day-to-day operations.
Legacy
Application

3. Next, Why Do We
Need a Legacy-System
Modernization?
Legacy systems require modernization so that they don’t get
exposed to any crashes or security threats.
The cost of running such software is very high too.
Therefore, legacy-system modernization is a vital aspect of the overall
business digitization that makes you ready for the digital future.

4. Innovative business:
Contemporary systems give an
opportunity to evolve, innovate,
and expand while keeping up
with technological advances.
Let's Talk Benefits
To discuss the benefits of legacy system
modernization, here's a checklist for performing
system modernization, and the techniques of
doing so in a hassle-free manner.
Competitive advantage:
With up-to-date and lightweight
solutions, you can outperform
competitors that are still using
decade-old technologies.

5. Let's Talk Benefits
To discuss the benefits of legacy system
modernization, here's a checklist for performing
system modernization, and the techniques of
doing so in a hassle-free manner.
Customer satisfaction:
Intuitive, modern, and sleek UI/UX
experience not only improves your
customer satisfaction but also
boosts revenue.
Better performance and
reduced risk: Legacy IT failures
may lead to several losses, whereas
system modernization improves
performance and reduces risks.
Big data opportunities:
Database migration and optimization
successfully unlock big data
opportunities with which you can
access and use the data efficiently.

6. Content: Checklist
for the Winning Software
Modernization Project
If you are ready with the list of specific aspects of system
modernization, chances are you will be able to cross the line
without any hassle and system downtime.
Study the current state
of legacy systems
Choose the fastest to deliver
modernization approach
Uphold the simple structure
rather than overly complex
Use a solid technology stack

7. Checklist for the
Winning Software
Modernization Project
Orderly document
coding standards
Support your legacy system
until the retirement plan for your
system is ready
Consider staff training
and system updates
If you are ready with the list of specific aspects of system
modernization, chances are you will be able to cross the line without
any hassle and system downtime.

8. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Encapsulation
This technique works best for reusing legacy software components,
especially when the business has high value and has good quality code.

9. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Rehosting
Here, the application components are redeployed to other infrastructure
including physical, virtual, or cloud without any modifications in its code,
features or functions.

10. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Replatforming
Migration or up-versioning to a new runtime platform is done with
the least changes to the code while preserving the existing
code structure, features, or functions.

11. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Code refactoring
This technique assumes the restructuring and optimization of the existing
code without changing its external behavior.

12. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Rearchitecting
It involves moving to a new application architecture with the code
modification so that the new and better capabilities of the platform get
fully utilized.

13. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Rebuilding
This technique includes redesigning or rewriting the application component
from scratch, maintaining its scope and specifications.

14. Best Practices of
Modernization to Apply
The most popular modernization approaches are migration and
enhancement, correction and growth, and complete software reengineering.
Depending on your current legacy challenges, you can opt for any of these
approaches with specific techniques.
Replacing
Sometimes it’s required to remove the former application component on the
whole and replace it as new requirements and needs arise.

15. To Summarize
Though software modernization seems to be a complex, labor-intensive,
and risky process, the results are often worth the risk.
Make sure that you select the modernization approach that gives
the highest return and adds value to the business.
You should determine the approach with the minimum
effort and maximum positive impact.