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…through different processes

…through different processes

modelsprocessesSoftware Development Life Cycle




My own project, my own design,

my own choice of technology… yay!

modelsprocesses

modelsprocesses

One destination, many paths: software

CS2103/T, Lecture 10, Part 1, [Oct 25, 2013]

modelsprocessesOne destination, many paths: software .

Actual process models

Case studies

Process maturity Building blocks

[Process models]


Case studies


Sequential[aka waterfall]

(breadth-first)

Iterative (depth-first)

Iterative

[Process models]


Case studies


Product at 1 month

Product at 2 months

Product at 3 months

Product at deadline

sequential

(breadth-first)


Iterative

(a)

(b)

(c)

[Process models]


Case studies


Iterative is …

Iterative is …

Iterative is …

Iterative is …

(breadth-first)


Iterative

Itera

tive

and

in

crem

enta

l

[Process models]


Case studies


[Process models]


Case studies


[Process models]


Case studies


deadline

[Process models]


Case studies


If requirements arewell-understood fixed, and effort predictable.

For fuzzy and evolving requirements.

[Process models]


Case studies


[Process models]


Case studies

Process maturity

Sequential Iterative breadth-first

depth-first

[Process models]


Case studies

Process maturity


depth-first

Tools RulesPracticesTemplatesValues Brandingetc.

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

RumbaughBooch Jacobson ???

Unified process

IBM

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

[Process models]


Case studies

Process maturity


depth-first

Unified process

up to you

[Process models]


Case studies

Process maturity


depth-first

Unified process

up to youEverything flexible.What’s the point?

[Process models]


Case studies

Process maturity


depth-first

Unified process

IBM

[Process models]


Case studies

Process maturity


depth-first

[Feb 2001]

[Process models]


Case studies

Process maturity


depth-first

(NOT “high ceremony” processes)

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

Kent Beck

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

v

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

[Process models]


Case studies

Process maturity


depth-first

Source: legalproductivity.com

[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first


[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first

[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first

[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first

[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first

http://framethink.wordpress.com/2011/01/17/how-facebook-ships-code/

[Process models]

Unified ProcessXP

Scrum

Case studies

Process maturity


depth-first

http://mozilla.github.com/process-releases/draft/development_overview/

[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

Firefox

Process maturity


depth-first

Own tools, practices etc.


[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

Firefox

Process maturity


depth-first

[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

Firefox

Process maturity


depth-first

[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first



[Process models]

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first



Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

?

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

?

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

Gartner’s analysts predict that by 2012

agile development methods will be utilized in 80% of all software development projects

“ ”http://analytical-mind.com/2010/03/09/gartner-predicts-2010-agile-and-cloud-impact-application-development-directions/

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

Gartner’s analysts predict that by 2012

agile development methods will be utilized in 80% of all software development projects

“ ”http://analytical-mind.com/2010/03/09/gartner-predicts-2010-agile-and-cloud-impact-application-development-directions/

Why so late?

Unified ProcessXP

Scrum

TEAMMATESFacebook

FirefoxCMMI


depth-first

[Process models]

Which approach is suitable when building the following software?

i) A control software for a space-shuttle (shuttle launch already scheduled).

ii) A new Smartphone game to be presented at a trade show (already booked a booth)

a) Both iterativeb) Both sequentialc) i: iterative, ii: sequentiald) i: sequential, ii: iterative

approach {a|b|c|d}e.g. approach c

77577tinyurl.com/questionSMS

Documents

WARNING