Say a software project required 100 personmonths of development effort and it. Hi, as i own a web developing company i can say we charge a client 25% of the total project value on maintaining the software. Accurately estimating software maintenance costs is critical to proper. Development cost versus maintenance cost stack overflow. Over 90% of the cost of software development is software maintenance cite. In another study, the relative costs of maintenance and software development management were estimated more than 90% of the total cost of the software life 9. Part of the incorrect folklore of software engineering is that more money is spent on maintaining an application than was spent on the original. How to balance maintenance and it innovation computerworld. I am an application developer for a regional insurance provider. I work on new projects but also work with the maintenance team who ma. Anyway it depends on the companies and software maintenance. What is the industry standard ratio of new development to maintenance. By seanseverson 10 years ago i am an application developer for a regional insurance provider.
Postdelivery maintenance in modern software development. Smart developers will know how to structure the early build to keep maintenance. The shape of code average maintenancedevelopment cost ratio. What is the industry standard ratio of new development. Many companies outsource their software development because of cheaper. Secondly and this was the most interesting part for me, even for those teams where the ratio between pm, ux and development is close to the rule of thumb, the balance still might not feel.
First of all, the ratio depends on your definition of maintenance. When developing a software product, how much time should be. An example of a corrective maintenance activity is a developer fixing a java. Staffing ratios finding the right balance between pm, ux. This alarming trend was predicted as early as 1972. The ieee defines software maintenance as the modification of software products after delivery to correct faults, to improve the performance or other attributes. Glass, an article in ieee software mayjune 2001, he. Accurately estimate your software maintenance costs galorath. Which factors affect software projects maintenance cost more.
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