Lean Management for IT Functional Specifications

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Lean Management forIT Functional Specifications

Jean Louis LEQUEUX http://weltram.eu

V 1.2 – May 4th, 2011

La Gestion Allégée pour les Spécifications Fonctionnelles

December 6th, 2010 QHSE Series, Jean Louis LEQUEUX http://weltram.eu2

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Summary

1. What is Lean Management?2. Pledging for Lean Functional

Specifications3. How to apply Lean Management to

Functional Specifications

December 6th, 2010 QHSE Series, Jean Louis LEQUEUX http://weltram.eu3

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Prerequisite

Existing situation: Specifications are often uncompleted Delivery are sometimes useless for

IT Corporate implication in project

If not corporate commitment, make sure of the degree of autonomy of Client’s Management…

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Envision project Envisioning the project in order to:

Estimate real size Evaluate urgencies Detect critical points

The initial "big picture" might be revised

On which points: Budget may slip? Costs could sky-rocket?

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Objectives Prevention of waste

Waste of personnel occupation Expenses waste Time waste

Shorten delays Of Interviews Of Restitutions and Reporting

Improve quality

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How to avoid waste? Quick & clear description of:

Corporate Objectives Business Métier Internal Organization Environment

Availability of key users For Interviews For validations

Be sure of the real State-of-the-Art

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Reaching targets Define

Main targets Secondary targets

For each, define: Steps Delivery cycle

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Time shortening In internal relations between members

Define efficient processes Use electronic communications

In relations with clients Avoid unnecessary meetings Trace

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Readiness Use Models!

For questions… For Interviews Management

Formalize answers Make sure it’s possible!

Define format with savvies Be sure of expertise

If NO: detect demands which are beyond-reasonability

No copy-past of other reports!!

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A double Lean approach Apply LM

Internally to specification team members To relations with eventual subcontractors

Try to apply LM to clients interviews Reduce waste time Target savvy interviewees

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Necessary preliminary approach

Understand internal stake-holders: Tact Diplomacy Persuasion

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Tapping existing sources… Where to find real requirements? In:

Existing Applications Excel sheets, Personal tools Hidden practices:

good Bad Unwritten practices

Challenge expressed requirements with “real requirements”

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Improve synthesizes Define

Format Content

Be sure of: Limitations Dates

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Track non-value-added sources In:

Practices Generally admitted habits or non-professional

Processes Written

External Internal

Unwritten External Internal

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Use productivity tools

Collaborative applications Groupware Workflow

Requirements mgt sys Shares:

Local Cloud

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Organize specification team Three competency levels are requested:

Managers Experts Analysts

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Lean LAN, WAN or Cloud? Physical contacts are

not necessary Sometimes impossible

team members need Collaborative docs on-the-clouds docs

Security issues Compliancy issues

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Exploitable output Important: reports must be

Readable by non specialists Exploitable by

Analyst … in some cases, even directly

exploitable by developers

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Continuous process Double synchronization:

Internally to Specification Team With clients’ representatives Externally, with clients’ partners

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Specification Project management

The two main issues are Delay Quality

However, deliveries must Be complete Meet expectations

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IT Models Define Methodology

Prior to missions … with tools

What types of models? Whatever: UML or others, providing:

Both teams (clients and contractors) are practicing it “fluently”

If NOT:

Preliminary Training compulsory

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Reviews & Revisions Reviews

Frequency Who? Validation

Revisions in case of non-validation Define a quick process!

Possible sources of delays!

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Evolutions Evolutions could be appeared as

necessary during the mission: Examine all Bypass possibilities Define extra budget! Important issues:

Loops on criticized points Focus on critical points

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User Interface The GUI is often “forgotten” …

… because its importance is denied Or, because it depends the Software

Package Anyway,

It is fundamental to the appropriation of the applications by users

The User friendliness “formula” is: WYSIWYx!X = Get or Sign or will Order, etc.

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Ergonomic interface Ergonomic interface equals… better

Productivity Less errors Better quality Client satisfaction

It must be part of any specification mission

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Conclusions LM4IT Specification is

Key for a complete Lean Management for it Key for optimization

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