This document summarizes a presentation on cloud native applications architectures. It discusses the differences between legacy apps and cloud native apps, including their architectures, development approaches, and pace of deployment. It then covers key aspects of cloud native applications like microservices architecture and DevOps. The presentation compares different cloud approaches in terms of their financial efficiency. Finally, it discusses options for moving applications to the cloud.

1. CW
IN
CAPGEMINI
WEEK OF
INNOVATION
NETWORKS
Cloud Native Apps
Architectures
Marco Segato – Cloud Lead
25/09/2018 - Milan

2. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 2
Agenda
Apps Portfolio Evolution
Cloud Native Apps
Architecture
Cloud Native

3. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018
WHAT IS CLOUD NATIVE
LEGACY APPS
CLOUD NATIVE
APPS
Designed, developed, built
and run on-premise
Monolithic architecture
1 Deploy, 1 DB, 1 tech stack,
tiered-oriented,
Waterfall approach
Dev>test>prod
Dev | Ops
Infrequent releases
INFRA / MIDDLEWARE
ENVIRONMENT
ARCHITECTURE APPLICATION DEVELOPMENT PACE OF DEPLOYMENT
Optimized for cloud Microservices architecture
DevOps
Tech and culture
Frequent small releases

4. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 4
Cloud native
comes of age
What businesses need to
know
Published May 2017
The proportion of new
enterprise apps that are cloud
native is set to double by 2020.
Cloud-native leaders are
reporting increased agility and
revenues as a result.
Read more
The automation
advantage
Making legacy IT keep pace
with the cloud
Unlocking the Hybrid
Integration Dividend
How to transform your
business with hybrid
integration and APIs
Capgemini point of view on the cloud
Published May 2018
How can traditional companies
with large, hybrid technology
estates develop software at the
same degree of velocity and
quality as companies that were
born in the cloud?
Fast movers are outpacing
followers by applying cloud
automation to their legacy IT
and operations processes.
Read more
Published September 2018
Businesses are pursuing digital
transformation to achieve a step
change in their speed, agility, and
ability to innovate. Realizing this
rests in large part on the
organization’s ability to access
data at great speed and in great
breadth. Modernized, hybrid
integration and microservices-
based APIs (application
programming interfaces) are the
means to making that happen.
Read more

5. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 5
What our customers say
Cloud natives
apps
Traditional
apps
Data Center
Public Cloud
Do more with less
Do a lot more
A lot faster
A lot better
With less
Businessdemand
Continuousacceleration
Continuous
Integration
& Testing
Continuous
Delivery &
Deployment
Continuous
Operations

6. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 6
Applications, what are we talking about?
Back office and common
services Systems layer
ERP admin + ad-
hoc framework
developers
ERP / sw packages
+ ad-hoc
customization
Agile / Waterfall Traditionnal IT
ops
« pet »
infrastructure
J2EE / dot net
developers
N tiers
application
Agile Traditional
IT ops
« pet »
infrastructure
Innovation
layer
Cloud native
dev & ops
Micro service « cattle »
infrastructure
DevOps
All of this needs
to be taken into
account in
combination
with strategic
customer
objective when
moving
application to
the public cloud
Differentiation
Layer

7. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 7
What is overall financial efficiency?
Deployment
Success Rate
Speed of
Deployment
Frequency of
Deployment
SpeedofChange
Cost of Scalability
Cost of Fault
Management
Cost of Disaster
Recovery
Management
Cost of Operation
Management
Cost of Lock-In
CostofRun
OverallFinancialEfficiency
PaaS Frameworks
Based on IaaS but with the power of a
PaaS
Automated Containerization
Leverage cloud provider autamation
tools to manage containers
Native Serverless and PaaS
Fully leverage native cloud providers
automation

8. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 8
Cloud Approaches Financial Efficiency
0
5
10
15
20
25
30
35
40
IaaS PaaS Frameworks Automated Containerization Native Serverless and PaaS
Deployment Speed Deployment Rate Deployment Success Scalability Cost
Fault Management Cost DR Management Cost Operations Cost Lock-in Costs

9. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 9
What are our options in this context?
Financial perspective
Datacenter
Datacenter
Datacenter
A DevOps transformation
Cloud-enabled virtual automation
Lift-and-shift 1
2
3
Unused VMs and
storage
Oversized VMs
24x7 running VMs
Manual task
Suboptimal
application placement
Disadvantageous
financial choices
Cost drivers
Time
Financial &
operational
efficiency

10. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018 10
Marco Segato
Cloud Lead
Enterprise Architect
 Have a broader impact
 Help changing the
Italian business outlook
 Improve lives of
people… my colleagues,
my customers, my
customers’ customers.
Joined Capgemini toLife in short
 In Capgemini since 2016
 In the Enterprise IT for 16 years,
always in the consulting business
 Had a chance to live the 2000
.com bubble in a LAMP .com
 Grown from IT Pro & Dev to
Enterprise Architect, Digital
Advisor & Cloud Lead
Driven by passion. For…
 People
 Technology
 Business
 Wisdom
 …ok it’s not one of the
Cap official 7, but has to
do with all of them 
My preferred value is…

11. © 2018 Capgemini. All rights reserved.Cloud Native Apps Architectures | Marco Segato | 25/09/2018
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Copyright © 2018 Capgemini. All rights reserved.
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