Why a DevOps approach is critical to achieve digital transformation

Why a DevOps approach is critical to achieve
digital transformation
Alexis Gaches
Technical Advisor – DevOps @ CA technologies
alexis.gaches@ca.com

Digital transformation ?
Digital transformation refers to the changes associated with
the use of digital technology
 Digital = Investing in new technologies : mobile, big data,
analytics, etc..
 Transformation = Reinventing business model, customer
interactions…

Why Digital transformation is critical for all organizations ?
 Today, technology is becoming the biggest thing in business.
 Today, companies that cannot integrate technology will be in
trouble whatever industry they are in
 Today’s leading companies are already becoming obsolete. In
10 years, 40% of the Fortune 500 was replaced !

Why Digital transformation is critical for all organizations ?
 Web giants are growing faster than the “brick
and mortar”
 Traditional organizations have to take into
account that they are not growing as fast as
their new competitors

What are the benefits behind the Digital transformation ?
 Getting performance advantage
 Listen the voice of customers
 Improve brand visibility and notoriety
Digital master companies increased revenue and profitability

We are in a middle of a Digital revolution…
that’s only the beginning, new technologies are coming
on a very quick path (artificial intelligence, augmented
reality, internet of thing, 3D printers…)

We get inspired by the companies we all
love.. What make them so different
 Agile development
 Deploying smaller changes means less to
go wrong and it's easier to fix
Frequency
Size
Huge Change
Deployed rarely
(High Time to Recovery)
Tiny change
Deployed often
(Low Time to Recovery)

We get inspired by the companies we all
love.. What make them so different
 Lean Startup (react fast) : Earlier and
more frequently you get working
software in front of real users, the
quicker you get feedback to find out
how valuable it is really

Good news : Some companies already started their digital
transformation successfully

Digital transformation in the bank industry - challenges
 Banks have been offering products & services that were physically
distributed through branches
 In most cases, each product is managed by a separate entity with
its own team
 Business has been built on a core system which is complex (legacy
hard to change)
 Also many companies who created an online or web channel
actually created a distinct separate channel with it’s own backend.

Digital transformation : Multichannel strategy
 Objective of most banks is to adopt a customer centric
approach
 Multichannel require to fully integrate front office (customer
facing), middle office (risk management…), and back office to
increase velocity of product and customer satisfaction
 Multichannel applications have strong dependencies with the
rest of whole IT system… therefore developing and testing
such application becomes more complex

 Jake McCarthy, Group Infrastructure Architecture
CTO and DevOps lead : "What we have been looking
at within Lloyds Banking Group is how are we
transforming the business. One of the things that will
really accelerate [that transformation] is DevOps."
The same causes produce the same effects… To enable Digital
Transformation organization had to redefines their SDLC to accelerate
application delivery and quality

 DevOps is a huge think
– But it’s not new
– Everybody has an idea of what devops is
– It is not a tool, it’s not a person our a group of people… it’s a question
of culture and organization
– Very important : it is not just dev and ops
 DevOps is about collaboration and tools can help to improve
collaboration (not the opposite)… Tools can help people talk
the same language

DevOps - Cultural aspects
 DevOps adoption is hard because it’s a disruptive methodology
(impacts organization, role & responsibility, process .. Etc..)
– Needs a top down approach
– Most traditional organizations are very resistant to change
– Even so, it is not straight forward
 Start where it hurts
 Build a team responsible for trying this new approach… but to
increase its chance of success, need to find a good candidate :
Highly visible & strategic project

DevOps – SDLC aspects
 “Shift left” strategy to support high deployment frequency
without sacrificing quality : QA team is involved early in the
development cycle
 To reduce risk, an end to end testing approach is required in
multichannel applications
 Due to the complexity of a bank environment, providing
production like environments for each dev/test team is hard
and costly. Instead, they adopted virtualization solution

What concrete benefits so far… by Nick Stemp – principal lead
architect
 It used to take us five people days to do 20 tests. Now it takes
one minute to do the same.
 We’re seeing more defects in development, which is where
we want to see them.
 We saw savings in terms of cost of licenses for some of the
infrastructure
 Reduce the number of local testing environments

Digital transformation requires speed, agility, and 24/7 performance
DevOps helps to
Increase collaboration between departments
Increase deployment frequency
Improve quality
Reduce cost on development and operations
Why a DevOps approach is critical to achieve digital transformation ?

Why a DevOps approach is critical to achieve digital transformation

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