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Agile and Lean Software Development

An Introduction to Kanban

Sreekanth Tadipatri

Cisco Systems

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•Why are you here?

•Who are you?

•Who am I?

•What do we want to achieve in the next 90 minutes?

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•What is Agile and Lean?

•Some causes of software failure

•Principles of Lean Software Development

• Introduction to Kanban – group exercise

•Summary

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A light weight framework for software

development

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Reduce the waste in a system and produce a higher value for the final customer

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• Eliminate Waste

• Amplify Learning

• Decide as Late as Possible

• Deliver as Fast as Possible

• Empower the Team

• Build Integrity In

• See the Whole

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• Frequently and Rapidly Changing

Customer Requirements

▫ They can not be fulfilled by a rigid design

• Decision Making away from ground

realities

▫ Commitment made by folks who don’t do the

actual implementation.

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• The iron triangle

▫ Scope/ time/ cost fixed

• Traditional batch/queue (phase

gated approach)

▫ Quality is an afterthought

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• Volunteers please!

• Two teams of eight people.

• Observers around the tables

• Arrange how you will do the work. •Plan 5 minutes

• First round 5 minutes

•Count

- how much was delivered

- how much was wasted

• Feedback from observers – 5 minutes

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• Volunteers please!

• Two teams of eight people.

• Observers around the tables

• Arrange how you will do the work. •Plan 5 minutes

• First round 5 minutes

•Count

- how much was delivered

- how much was wasted

• Feedback from observers – 5 minutes

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The Seven Wastes of

Manufacturing

Overproduction

Inventory

Extra Processing Steps

Motion

Defects

Waiting

Transportation

The Seven Wastes of

Software Development

Extra Features

Requirements

Extra Steps

Finding Information

Bugs Not Caught by Tests

Waiting for Decisions

Handoffs

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• Map the value stream

• Visualize the work

• Pull work – not push

• Identify bottlenecks and eliminate waste

• Focus on flow

• Limit work in progress

• Find better ways of doing things – continuous improvement

• Empower people

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• Questions?

• Comments?

• Feedback?

• Contact me:

• sreekantht@gmail.com