Lauder, Anthony (2001) A Productive Response to Legacy Systems. Doctor of Philosophy (PhD) thesis, University of Kent, Canterbury. (KAR id:13826)
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Abstract
Requirements change. The requirements of a legacy information system change, often
system itself can be evolved to support them. The capabilities of a legacy system
process termed petrification. As systems petrify, they deliver diminishing business
To address legacy systems, the first challenge is to understand how to shed their
newly adaptable system never again petrifies into a change resistant legacy system. This
The approach outlined herein is underpinned by an agile migration process - termed
each particular legacy system and provides guidance upon how to address them. That
capture recurring themes underlying petrification. These steer us to the problems
patterns via which we can deal with those problems one by one.
appeal to a follow-on process, termed Productive Evolution, which embraces and keeps
teaches us to be vigilant against signs of system petrification and helps us to nip them in
adaptable in step with ongoing requirements change, and that continue to retain their
value as significant business assets.
Item Type: | Thesis (Doctor of Philosophy (PhD)) |
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Subjects: | Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming, |
Divisions: | Faculties > Sciences > School of Computing > Systems Architecture Group |
Depositing User: | Mark Wheadon |
Date Deposited: | 24 Nov 2008 18:00 UTC |
Last Modified: | 28 May 2019 13:50 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/13826 (The current URI for this page, for reference purposes) |
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