The slides and paper that I gave at the Miami TOC ICO conference this past October are now available on my website. ...
1499
David J Anderson
netherby_uk
Jan 7, 2005 5:20 pm
The following interview appeared as an email from SD Magazine two days ago. It will appear in the print and online versions of the magazine soon. SD PEOPLE &...
1500
greeni_63
Jan 7, 2005 11:19 pm
Congratulations and well done! As a subscriber to SD Magazine, as soon as I got their message yesterday I forwarded it on to my colleagues. It would be an...
1501
David J Anderson
netherby_uk
Jan 8, 2005 12:01 am
Or one word... SLOWLY ;-) ... soon ... colleagues. ... Microsoft's ... Maybe...
1502
SirGilligan
Jan 12, 2005 4:23 pm
For years we used Waterfall methodologies and built amazing systems. These methodologies should be tools to use when needed. Are there still reasons to use...
1503
Logan, Patrick D
patrickdlogan
Jan 12, 2005 6:01 pm
... I think agility is a goal. Agile practices are ways of getting to that goal. If the organization has other goals then certainly there may be practices...
1504
Glen B. Alleman
gballeman2000
Jan 12, 2005 6:46 pm
Patrick, As well, agile is in the eye of the beholder. Agile business systems development is different from agile nuclear weapons plant clean up, is different...
1505
Douglas and Lynn Brown
padgett-brown
Jan 13, 2005 2:36 am
Well, there are actually many times when waterfall or BDUF is the most appropriate. Some waterfall approaches are really spiral. Aircraft, for instance, are...
1506
David J Anderson
netherby_uk
Jan 13, 2005 5:41 pm
BDUF makes sense to me in large scale physical projects like suspension bridges like the Golden Gate and tunnels like the Channel Tunnel between France and the...
1507
SirGilligan
Jan 13, 2005 5:43 pm
... Thanks for your comments. I have years of experience in the phasic approaches and I am acquiring experience in XP and Agile. I see them as tools to be used...
1508
Logan, Patrick D
patrickdlogan
Jan 13, 2005 6:28 pm
... from ... Definitely. There is no simple "agile" or "non-agile" decision. Rather I was trying to emphasize that an organization pay attention to and ...
1509
Glen B Alleman
gballeman2000
Jan 14, 2005 4:43 am
David in fact both those project had major changes mid-course. They made the changes and completed the projects more or less on time and on budget relative to...
1510
David J Anderson
netherby_uk
Jan 14, 2005 4:56 pm
The Channel Tunnel on budget? You must jest? Surely? If I remember correctly it came in 8 Billion GBP over-budget. What was the major change mid-course? ... ...
1511
Matthew Gelbwaks
mgelbwaks
Jan 14, 2005 5:14 pm
OK - to support Dave, here is another example - one close to my geographic heart. The Big Dig in Boston MA. Nearly double the original price, due much to ...
1512
Johanna Rothman
johannarothman
Jan 14, 2005 5:34 pm
... The bigger the project, the more inherent risk. If you have such risk, why assume that BDUF is going to work? Why not assume you'd have to iterate on the...
1513
David J Anderson
netherby_uk
Jan 14, 2005 5:51 pm
I think the fact that these things run over-budget is indicative of how hard it is to control these kind of projects - they suffer political uncertainty. We...
1514
David J Anderson
netherby_uk
Jan 14, 2005 5:55 pm
Johanna, Everything you've said here makes sense. Can you explain to us [just for fun] as a group how you would have tackled the Big Dig as a project? ... ...
1515
Johanna Rothman
johannarothman
Jan 14, 2005 6:44 pm
... I'll try :-) I would have used more of an staged delivery lifecycle (staged delivery of several projects). The Big Dig sort-of used an evolutionary...
1516
Hugo Sampaio
hugsampaio
Jan 14, 2005 7:46 pm
... What's a normal cost overrun? Is there such thing as "normal" overruns... Common may be yes, but normal? - Hugo...
1517
Johanna Rothman
johannarothman
Jan 14, 2005 7:56 pm
... On a project that big when you know things will go wrong and the estimate is just a guess, I mean the common cost overruns, not the ...
1518
Glen B. Alleman
gballeman2000
Jan 14, 2005 8:45 pm
david Quoting the ooverage needs a baseline. The plan was $12B to $14B the actual was $18B on a "never done before, discovery design." Here's some data ...
1519
David J Anderson
netherby_uk
Jan 14, 2005 9:18 pm
Deming certainly preferred "common" when trying to separate out normal from abnormal. His choices were "common" and "special". I often find myself explaining...
1520
Brian O'Byrne
bobyrne_stat...
Jan 15, 2005 12:24 pm
I'd like to suggest a measure that might indicate when BDUF is appropriate and when a more iterative or agile approach can work. Very simply it is the relative...
1521
Ron Jeffries
ronaldejeffries
Jan 15, 2005 9:25 pm
... Yes, this is an interesting suggestion, and the other thoughts in the note are worth reviewing. I snip them here only to save space. What I'll say here, I...
1522
Douglas and Lynn Brown
padgett-brown
Jan 16, 2005 12:39 am
The problem that you are discussing has really nothing to do with the design methodology (BDUF vs agile), although I am not sure how you do agile design on an ...
1523
greeni_63
Jan 17, 2005 6:34 am
... I would guess they took a traditional BDUF approach because it has the main hallmarks: we don't know how much more it will cost and it's not ready yet. I...
1524
Ron Jeffries
ronaldejeffries
Jan 17, 2005 11:36 am
... Actually, they did. The VP/IT of a large regulated company recently lost his job for failing to meet a required deadline which, observers believe, could...
1525
Ross, Darrell
darrell_l_ross
Jan 17, 2005 2:03 pm
A point of clarification........the topic of "common vs. special causes of variation" has its roots in Statistical Process Control. Deming was a fanatic about...
1526
greeni_63
Jan 17, 2005 4:55 pm
... In this case, it's probably the reader who is to blame. I'd assumed that the opposite of big design up front was small design up front. But you seem to be...