• ISBSG Resources - Information to guide your project

    Maintenance & Support

    estimation

The importance of Maintenance & Support

Improve your Maintenance & Support

Review ISBSG’s resources on the maintenance and support of applications

ISBSG Maintenance and Support Data

It is believed that software maintenance activities represents somewhere between 65 and 85 percent of an application’s total ownership cost. This study focuses on ISBSG's Maintenance and Support data. It identifies maintenance trends for various activities.

Defect Density

This short paper analyses defect data for Java and .NET projects. It investigates whether project size and age impact defect density.

Productivity and Defect Statistics

Learn more about productivity and defect statistics from the software industry in China.

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Estimation

Accurate estimations are essential for the success of your project.

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Productivity

Determine the factors that impact your project’s productivity.

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Agile

Learn about productivity, estimation and team size in Agile.

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Benchmarking

Compare your project’s estimates to the best in the software industry.

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Maintenance & Support

A significant proportion of your IT systems’ budget may be spent on maintenance and support.

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Sizing

Learn about the importance of software size, as an important factor in estimating cost.

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Outsourcing

Discover how customer satisfaction, cost-effectiveness and quality can be maintained with outsourcing.

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Project Control

Learn about the factors that affect the schedule and budget of your project.

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