How and why DevOps is the current market trend...

1. Daredevil DevOps

2. About the speaker
Dyaneshwaran Periyasamy
 Agile Consultant, Trainer & Coach
 11+ years of IT experience
 9+ years in the area of Lean and Agile methodologies
 Handled Lean & Agile transformation across large organizations
 Trained ~1000 participants in the area of Lean, Agile and DevOps
 Speaker in “India Agile Week 2013” and “Lean India Summit 2013
(c) Copyright 2015 Dyaneshwaran Periyasamy

3. I am going to talk about…
 Introduction of the term "Daredevil DevOps"
 Why I call DevOps a "Daredevil"?
 Market hype around DevOps
 Why the hype was created?
 Journey from Continuous Integration to Continuous Delivery
 Why it is not enough to stop here?
 Journey from Continuous Delivery to Continuous Deployment & Monitoring
 Why it is required?
 For whom?
 DevOps - a end goal and not a model/framework
 How IT can help the Business win?
(c) Copyright 2015 Dyaneshwaran Periyasamy

4. Why I call DevOps a "Daredevil"?
(c) Copyright 2015 Dyaneshwaran Periyasamy

5. CIO
CFO
COOCEO
PMO
Development
Operations
(c) Copyright 2015 Dyaneshwaran Periyasamy

6. Journey from Continuous Integration to
Continuous Delivery
(c) Copyright 2015 Dyaneshwaran Periyasamy

7. SDLC
Requirements Analysis Design Coding
Testing Deployment Maintenance
(c) Copyright 2015 Dyaneshwaran Periyasamy

8. Waterfall
Requirements
Analysis
Design
Coding
Testing
Deployment
Maintenance
(c) Copyright 2015 Dyaneshwaran Periyasamy

9. Iterative
Requirem
ents
Analysis
Design
Coding
Testing
Deploym
ent
Maintena
nce
Requirem
ents
Analysis
Design
Coding
Testing
Deploym
ent
Maintena
nce
Requirem
ents
Analysis
Design
Coding
Testing
Deploym
ent
Maintena
nce
Iteration 0
Iteration 1
Iteration N
…
(c) Copyright 2015 Dyaneshwaran Periyasamy

10. Agile
(c) Copyright 2015 Dyaneshwaran Periyasamy

11. Comparison of methods
Waterfall Iterative Agile
Strengths • Easy to understand
• Supports creation of detailed
plan
• Deliver business value
• Responsive to change
• Faster time-to-market
• Constant feedback
• Highest business value
delivered early
Weaknesses • Brittle if requirements change
• Wasteful if business strategy
changes
• Big Up Front Planning / Design
• Requires mind shift
• Increased uncertainty for “far”
iterations
• Fixed feature / price contracts
• Dependency on people and
their interactions creates
cultural resistance to change
• Hazardous if not ALL parties
embrace the Agile Manifesto
Project Suitability • Legacy environment
• Stable team with significant
domain / technology
experience
• Minimal change
• Fluid requirements
• New / untried technology
• Cohesive teams, even if
geographically dispersed
• Evolving requirements
• Niche technologies / few
legacy dependencies
• Dependent on end user
feedback
(c) Copyright 2015 Dyaneshwaran Periyasamy

12. Developers Vs Testers
How can I make it?
How can I break it?
(c) Copyright 2015 Dyaneshwaran Periyasamy

13. Developers + Testers!
(c) Copyright 2015 Dyaneshwaran Periyasamy

14. Agile Milestone
Continuous
Integration
Continuous Delivery
(c) Copyright 2015 Dyaneshwaran Periyasamy

15. Journey from Continuous Delivery to
Continuous Deployment & Monitoring
(c) Copyright 2015 Dyaneshwaran Periyasamy

16. Cont. Delivery to Cont. Deployment
(c) Copyright 2015 Dyaneshwaran Periyasamy

17. Development Vs Operations
Be more agile
– deliver faster
Change is evil
(c) Copyright 2015 Dyaneshwaran Periyasamy

18. What is DevOps?
Collaboration between
Dev and Ops
Continuous Deployment / Monitoring
Team of developers and operation staff
Culture movement
Process or Framework
Philosophy, movement, a way of thinking
Culture Shift and set of principles and methods (based on Agile & Lean) for better Dev & Ops
collaboration to build software that meets business needs faster, cheaper & more reliably.
(c) Copyright 2015 Dyaneshwaran Periyasamy

19. Why DevOps?
Mainframe
Client/Server
Internet
Mobile, Social,
Cloud & Big
Data
Every 60 seconds
98,000 tweets
23,148 apps
downloaded
400,710 ad requests
2,000 lyrics played
on Tunewiki
1,500 pings sent
on PingMe
34,597 people are
using Zinio
208,333 minutes
Angry Birds played
(c) Copyright 2015 Dyaneshwaran Periyasamy

20. Challenges in reacting to change
Source: Forrester Research Inc., “Five Ways To Streamline
Release Management”, February 2011
Release process is too long
Source: Gartner., “Catalysts Signal the Growth of
DevOps”, February 2011
Relation between application development
and IT operations?
(c) Copyright 2015 Dyaneshwaran Periyasamy

21. State of DevOps Report (2012)
Deploy Frequency Deploy Lead Time
Amazon 23,000 per day minutes
Google 5,500 per day minutes
Netflix 500 per day minutes
Facebook 1 per day hours
Twitter 3 per week hours
Agility Metrics
• 30x more frequent code deployments
• 8000x faster code deployment lead time
Reliability Metrics
• 2x the change success rate
• 12x faster Mean Time To Recover (MTTR)
(c) Copyright 2015 Dyaneshwaran Periyasamy

22. Next Revolution
Continuous Delivery
Continuous Deployment &
Monitoring
(c) Copyright 2015 Dyaneshwaran Periyasamy

23. How DevOps can help the business win
(c) Copyright 2015 Dyaneshwaran Periyasamy

24. DevOps Objectives
Automation Quality Collaboration
Governance Monitoring
(c) Copyright 2015 Dyaneshwaran Periyasamy

25. Prerequisites for DevOps Success
 On board Executive Sponsors / Stakeholders
 Create organization’s ‘value’ stream
 Restructure Development and Operations team
 Change performance incentives for Dev and Ops teams
 Standardize processes which can be repeated
 Leverage automation
 Infrastructure as code
 Continuous Integration / Delivery / Deployment / Monitoring
 Capture key metrics
 Change Frequency
 Change Lead Time
 Change Failure Rate
 MTTR
(c) Copyright 2015 Dyaneshwaran Periyasamy

26. Alignment with the business needs
Don’t Automate What
You Don’t Understand!
(c) Copyright 2015 Dyaneshwaran Periyasamy

27. The Three Ways to DevOps…
(c) Copyright 2015 Dyaneshwaran Periyasamy

28. Several DevOps Patterns
(c) Copyright 2015 Dyaneshwaran Periyasamy

29. Thank You!
(c) Copyright 2015 Dyaneshwaran Periyasamy