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Environment Assessment

The legacy system also needs to be assessed from an environment’s perspective. This involves looking at the supplier, failure rate, age, performance, support requirements, maintenance cost, and interoperability.

These angles are elaborated in the following paragraph:

Supplier stability: Is the supplier still in existence? Is the supplier financially stable and likely to continue in existence? If the supplier is no longer in business, is the system maintained by someone else?

Read more: CS605 - Software Engineering II - Lecture Handout 39

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Error Tracking

Error tracking can also be used to estimate the progress of the project. In this case we track errors in work products (requirement specifications, design documents, source code etc) to assess the status of a project. The process works as follows:

Read more: CS605 - Software Engineering II - Lecture Handout 26