• To: XML Developers List <xml-dev@l...>
• Subject: RE: What is coupling? [Was: 3 XML Design Principles]
• From: "Bullard, Claude L (Len)" <len.bullard@i...>
• Date: Tue, 1 Feb 2005 12:38:29 -0600

Cohesion and coupling:

http://files.irt.drexel.edu/courseweb/mcs350-991/lectures/1-7-99/tsld073.htm

and a good one for those looking at modularity and the coupling mechanisms

http://c2.com/cgi/wiki?CouplingAndCohesion

some metrics and mysterious plots

http://www.sce.carleton.ca/faculty/lung/metircs02_conf.pdf

for the programming students

http://www.se.fh-heilbronn.de/usefulstuff/Maciaszek,%20Analysis%20and%20Desi
gn%20with%20UML/Acro_b&w_6/Ch9_b&w_6.pdf

More design philosophy with some good non-programming examples 
for understanding the concepts and some coupling types with 
goodness ratings.  Note that data coupling is best.  (Doh!)

http://class.ee.iastate.edu/berleant/home/Courses/SoftwareEngineering/CprE48
6fall2004/designModularity.htm

and of course, the ultimate expression of homophilic principles, the Law of
Demeter: 
"Only talk to your friends."  For programmers, there are lots of articles on
this one.

http://www.cmcrossroads.com/bradapp/docs/demeter-intro.html

len

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