Week 4 Software Development In The 21st Century

CS 292: Beyond the One Way Web

Matthew Jett Hall, Spring 2008http://beyondtheonewayweb.wordpress.com

Chapter 3 Summary Key Messages Software Development: Process & Approach

Methodologies Tools and Techniques CMM and ITIL Constructing measures of efficiency

Staff Sourcing Models In-Source Out-Source Offshoring / Labor Arbitrage Multi-Source

CS 292-1: Beyond the One Way Web (beyondtheonewayweb.wordpress.com) 2

CASE tools make developing code more efficient

Process and technique increases organizational effectiveness

Professional Practices make the individual coder more effective

How you define and measure efficiency matters

Then: Single coder on an islandNow: Legions of coders on a single

land massCS 292-1: Beyond the One Way Web (beyondtheonewayweb.wordpress.com) 4

Art or Engineering? Procedural or Object Methodologies Tools and Techniques CMM and ITIL Constructing measures of efficiency

PROCEDURAL

Single point of entry Sequenced Subroutine Single point of exit

OBJECT

Event Driven Stimulus-Response No single point of

entry No single point of exit

Methodology A procedure by which a result is

achieved Used to organize labor activity Used to achieve an efficient outcome /

resultClassic Waterfall Iterative WaterfallXP

Process Steps Analyze Requirements Design Implement Integrate Test Maintain

Focus is on the big up front design

Rapid, light weightDeveloped to address

Shortcomings of waterfall / BUFD Fluid requirements Business Focus Small teams Pair programming Test driven coding

Language(s)CASECode and Version ManagementBug TrackingEstimation and Project ManagementProfessional Coding Practices

“ d. Computers. Any of numerous systems of precisely defined symbols and rules for using them that have been devised for writing programs or representing instructions and data. “

“language, n." The Oxford English Dictionary. 2nd ed. 1989. OED Online. Oxford University Press.

Data ModelingCode GenerationEditors IDEs

Technique to reduce data duplication in tables

Greater normalization, greater up front design

3NF: Third Normal Form Many joins Lot of SQL Statements Thoughtful design

Visualization helpsCS 292-1: Beyond the One Way Web (beyondtheonewayweb.wordpress.com) 14

Create a visual model Show interplay between objects Generate code Facilitates data normalization

Carnegie Mellon: SEIMeasure of repeatable code practiceLevels

1 Initial 2 Repeatable 3 Defined 4 Managed 5 Optimized

“ITIL is the only consistent and comprehensive documentation of best practice for IT Service Management.” Service Support Service Desk Problem and Change Management Incident Management Asset Management Configuration Management Service Delivery ITIL is a Registered Trade Mark of the Office of

Government Commerce in the United Kingdom and other countries

Costing and Estimation Line Counting Function Points Classes / Functions Elapsed and Staff Time Cost per labor and equipment

Constructive Costing Model (COCOMO)

Example ToolCS 292-1: Beyond the One Way Web (beyondtheonewayweb.wordpress.com) 22

Barry Boehm: Software Engineering Economics , 1981

Computes T= FTE Years of Effort SLOC = Source Lines of Code Based upon attribute ratings▪ Product▪ Hardware▪ Personnel▪ Project

Individual effort matters

Internal Code Documentation Code readability Coding standards Consistency Automated documents

Thoughtful data typing

Hungarian Notation

Shared standards facilitates Intergenerational transfer team coding

In-Source Out-Source Business Process Outsourcing Off-Shoring / Labor Arbitrage Multi-Source

“The future of outsourcing is to take the work from any part of the world and do it any part of the world” A. Vemuri, Infosys SVP, New York Times, Sept. 25, 2007.

Check the class playlist

United States GDP: $13.86 trillion (2007 est.) 301,139,947 (July 2007 est.) English as a standard language

India GDP $2.965 trillion (2007

est.) 1,129,866,154 (July 2007

est.) Hindi Official Language English as a moderating

standard “middleware” there are 14 other official

languages CIA World Factbook

60 Minutes Video – Leslie Stahl on IITNehru -- built it for IndiaDuring IT boom, 1 in 6 Millionaires in

Silicon Valley were IIT graduatesAdmissions

200,000 apply, about 3,000 get in Only two attempts in lifetime

Information TechnologyCall centersData managementEngineering servicesHealthcare serviceFinancial servicesDigital imagingResearch & analysis

CulturalLinguisticTime ZoneScheduling

Wharton School of Business taught me….

ShirkingPoaching

AndOpportunistic Renegotiation

Week 4 Software Development In The 21st Century

Education

Transcript of Week 4 Software Development In The 21st Century

Networking 21st century classroom edld 5362 week 2 assignment

Video: Business Ethics in the 21 st Century ethics-21st-century/ ethics-21st-century

21st Century Teaching for 21st Century Students Black

Week 3 - 21st century media content

21st Century Governance for 21st Century Schools Century Governance for 21st Century Schools . 2015 WASB Convention . Milwaukee, WI . January 23, 2015

1 Corporate Management in the CIS Week 10 Russian enterprise in the 21st century.

B412 Week 3 lecture - Chinese history in 20th and 21st century

The 21st Century Mainframe - Millennia Business … to the 21st...• Managing the 21st Century Mainframe – Scheduling – Automation – Storage Introducing the 21st Century Mainframe

21 Century Regionalism - Global trade · 21st Century Regionalism: Filling the gap between 21st century trade and 20th century trade rules Richard Baldwin ... 21st century disciplines

Using 21st Century Tools to Teach 21st Century Skills.

Equipping the 21st Century Learner with 21st Century Tools

21st century skills for the 21st century job market (final cc)

21st Century Tech Plan - Planning for 21st Century Technologies

Week 3: Frameworks for Learning in the 21st Century Classroom

21st century skills for 21st century learners · 21st century skills for 21st century learners Jennifer Lynne Shopshear Follow this and additional works at: https: ... understanding

Workshop II Using 21st Century Tools to Teach 21st Century Skills

Opening up your Research in the 21st Century - University of Hertfordshire Open Access Week

21st century operational procedure automation with … · 21st century operational procedure automation with ... 21st century operational procedure automation ... 21st century operational

21st Century Learning Tutor - My Savvas Training · 2016. 11. 5. · 21st century skills. What are 21st century skills? 21st century skills are critical-thinking skills necessary

21st Century Skills - Pearson Educationwps.prenhall.com/wps/media/objects/11463/11738516/21st Century... · 21st Century Skills • 1 21st Century Skills As the future leaders of