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Mary Nicholson
Software Development Consultant - Development, Migration & Modernization.
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ARTICLES
Journey from Green Screen to GUI - Modernizing IBM i Applications
Mary Nicholson 2021-07-20
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The presence of an abundance of monochrome cathode ray tubes (CRTs) using P1 phosphor, resulted in the term ’green screen’.

The GUI was invented for distribution-based applications and it was not limited to 80 x 24 characters.

There are a handful of popular steps to application modernization that focus on a combination of microservices architecture, cloud migration, and exposing an application’s functionality via API.Dividing into microservicesApplication modernization can also involve dividing or breaking down a legacy application into a collection of smaller components or microservices.Source: https://www.ibm.com/In the illustration, a single application is divided into a collection of microservices or individual services within the app.

Each service would have its own database and data model.Mostly the strangler pattern is followed when dividing the application into parts.

Cloud migration for your IBM i application involves a complete plan, various migration options, and ROI calculation.Expose functionality via APIsA legacy IBM i application can be enhanced by securely exposing its functions or data via APIs without hampering its existing code.

This approach enables new, cloud native applications to leverage the capabilities of existing systems and data.

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Checklist for Migrating to the Cloud
Mary Nicholson 2021-07-20
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Organizations of all sizes today are either already on the cloud or are planning to grow their operations and make the shift when the time comes. In this article, we look at some of the reasons businesses migrate to the cloud and the ultimate checklist they can follow to initiate the journey. Some of these reasons include: Cost Savings Migrating to the cloud might come across as a costly one-time investment, but it eventually helps businesses save money in the long run. When businesses are hosting on-premises servers, they have to meet demand fluctuations and invest heavily for growth. All it takes is a single click of the mouse to update your package and move on to a more comprehensive hosting plan. Reliability Downtimes and hardware failures are common with on-premises data servers and facilities.
collect
0
Journey from Green Screen to GUI - Modernizing IBM i Applications
Mary Nicholson 2021-07-20
img

The presence of an abundance of monochrome cathode ray tubes (CRTs) using P1 phosphor, resulted in the term ’green screen’.

The GUI was invented for distribution-based applications and it was not limited to 80 x 24 characters.

There are a handful of popular steps to application modernization that focus on a combination of microservices architecture, cloud migration, and exposing an application’s functionality via API.Dividing into microservicesApplication modernization can also involve dividing or breaking down a legacy application into a collection of smaller components or microservices.Source: https://www.ibm.com/In the illustration, a single application is divided into a collection of microservices or individual services within the app.

Each service would have its own database and data model.Mostly the strangler pattern is followed when dividing the application into parts.

Cloud migration for your IBM i application involves a complete plan, various migration options, and ROI calculation.Expose functionality via APIsA legacy IBM i application can be enhanced by securely exposing its functions or data via APIs without hampering its existing code.

This approach enables new, cloud native applications to leverage the capabilities of existing systems and data.

Checklist for Migrating to the Cloud
Mary Nicholson 2021-07-20
img
Organizations of all sizes today are either already on the cloud or are planning to grow their operations and make the shift when the time comes. In this article, we look at some of the reasons businesses migrate to the cloud and the ultimate checklist they can follow to initiate the journey. Some of these reasons include: Cost Savings Migrating to the cloud might come across as a costly one-time investment, but it eventually helps businesses save money in the long run. When businesses are hosting on-premises servers, they have to meet demand fluctuations and invest heavily for growth. All it takes is a single click of the mouse to update your package and move on to a more comprehensive hosting plan. Reliability Downtimes and hardware failures are common with on-premises data servers and facilities.