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Agenda
• Organize
• How far am I?
• Size matters
• Technicalities
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Where do you see yourself?
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Breaking up the monolith
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Into Microservices
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Tightly coupled componentsAll components updated together
Not agile, time to market suffers
Scale by cloning entire appsAll components scaled similarly expensive
The Trouble With Monoliths
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Do one thing wellManage independent code and state
Are generally developed by a small cross-functional team
Are built with task-appropriate languages/frameworks
Are loosely coupledCommunicate over well-defined interfaces/protocols
Have unique names (URI) that can be resolved
Are independently updated
Are independently scaled
Microservices
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Why?
Higher density - reduce cost
Scale the things that needs scaling
Deliver more and faster
Deploy features independent from each other
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Cloud Maturity Model
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1. Cloud Infrastructure ready
Existing Apps.NET Web apps (on-prem.)
Lift & Shift.NET Web apps (Cloud)
On-Premises
Relational
Database
IaaS Cloud
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Using:
Virtual Machines (VM)
Azure SQL DB Managed Instance
Simply Rehost your on-premise application to IaaS on Azure
PROS
✓ No re-architect or new code
✓ Least effort for quick migration
✓ Supported on the least common
denominator on Azure
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1. Cloud Infrastructure ready
Existing Apps.NET Web apps (on-prem.)
Lift & Shift.NET Web apps (Cloud)
On-Premises
Relational
Database
IaaS Cloud
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Using:
Virtual Machines (VM)
SQL DB Managed Instance
Simply Rehost your on-premise application to IaaS on Azure
PROS✓ No re-architect or new code
✓ Least effort for quick migration
✓ Supported on the least common denominator
on Azure
CONS× Smaller Cloud Value
× Manual Patching, Upgrades
× No Automated App Scaling and High Availability
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Cloud-
Optimized
Cloud Optimized
Modernization Maturity Model
Existing
Apps & Services.NET Framework
on-premises
Cloud
Infrastructure-
Ready
Cloud
DevOps-
Ready
• Lift and shift approaches• No code changes
Lift and Shift Existing .NET apps
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2. Cloud DevOps readyGet more Cloud benefit by Containerizing your app with Windows Server Docker Containers
and deploying them to Azure cloud or on-premises.
PROS✓ No re-architect or new code
✓ Increased density & lower deployment cost
✓ Improved productivity and DevOps agility
✓ Portability of apps and dependencies
✓ High availability and Orchestration with ACS/K8
and Service Fabric
Existing Apps.NET Web apps (on-prem.)
On-Premises
Relational
Database
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Lift & Shift.NET Web apps (Cloud)
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Docker Containers• Docker helps automating the
deployment of applications as
portable, self-sufficient
containers that can run on any
cloud or on-premises.
No more:
“It works in my dev machine!...
Why not in production?”
Keywords about WHY Docker?
- Dependencies (self-sufficient)
- Deployment
Now it is:
“If it works in Docker, it
works in production”
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Infrastructure Infrastructure
Host Operating System
Hypervisor
Guest OS
Bins/Libs
App 1
Guest OS
Bins/Libs
App 2
Guest OS
Bins/Libs
App 3
Bins/Libs
App/Svc 1
Bins/Libs
App/Svc 2
Bins/Libs
App/Svc 3
Container Engine
Operating System
Virtual Machines Containerscompared to
+ Network isolation at container level+ Resources constraints at container level
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Docker and .NET
• .NET Framework images
Windows Server Core
• .NET Core Docker images
xPlat. (Linux & Windows Nano Server)
See at Docker Hub
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Image2Docker tool
• Ports existing Windows
application workloads to Docker
• IIS and ASP.NET appsExtract ASP.NET websites
config/dependencies from a VM or
server
• Generates dockerfiles for
Windows Docker images, based
on analysis of existing Windows
machines.
• Open Source community tool,
powered by Docker (the company)
Windows
IIS
ASP.NET
dockerfiles
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Orchestrator Description Good for Common workloads
Kubernetes is an open-source platform
for automating deployment, scaling, and
operations of application containers
across clusters of hosts
Production-ready &
Windows/Linux
ecosystem
Microservices based on
containers
As a datacenter operating system,
DC/OS is itself a distributed system, a
cluster manager and a container
platform
Production-ready &
Linux ecosystem
Microservices based on
containers
Docker Swarm is a clustering and scheduling
tool for Docker containers. With Swarm, IT
administrators and developers can establish
and manage a cluster of Docker nodes as a
single virtual system
Production-ready &
Linux ecosystem
Microservices based on
containers
Azure Service Fabric is a distributed systems
platform that makes it easy to package,
deploy, and manage scalable and reliable
microservices
Production-ready &
Linux ecosystem
a) Stateful svc & Actors
b) Microservices based on
plain processes
c) Microservices based on
containers
Azure Product
Azure Container ServiceMesosphere DC/OS
Kubernetes
Docker Swarm
Service FabricAzure Service Fabric
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Orchestrator Description Good for Common workloads
Kubernetes is an open-source platform
for automating deployment, scaling, and
operations of application containers
across clusters of hosts
Production-ready &
Windows/Linux
ecosystem
Microservices based on
containers
As a datacenter operating system,
DC/OS is itself a distributed system, a
cluster manager and a container
platform
Production-ready &
Linux ecosystem
Microservices based on
containers
Docker Swarm is a clustering and scheduling
tool for Docker containers. With Swarm, IT
administrators and developers can establish
and manage a cluster of Docker nodes as a
single virtual system
Production-ready &
Linux ecosystem
Microservices based on
containers
Azure Service Fabric is a distributed systems
platform that makes it easy to package,
deploy, and manage scalable and reliable
microservices
Production-ready &
Linux ecosystem
a) Stateful svc & Actors
b) Microservices based on
plain processes
c) Microservices based on
containers
Azure Product
Azure Container ServiceMesosphere DC/OS
Kubernetes
Docker Swarm
Service FabricAzure Service Fabric
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ACS – Kubernetes
Dev environment
Inner loop
1.
Build, CI
3.
VSTS
VS Application Insights
Code,
run,
debug
Application
code repo
(SCC)
Code
Push
2.
git push
Docker Hub (Internet)orAzure Container Registry (Azure)Docker
registry
docker push
Custom
Image
CD, deploy
4.
VSTS
(*)
Scenario: Deploy to Kubernetes through CI/CD pipelines
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2. CONS in Cloud DevOps readyGet more Cloud benefit by Containerizing your app with Windows Server Docker Containers and
deploying them to Azure using production orchestration
PROS✓ No re-architect or new code
✓ Increased density & lower deployment cost
✓ Improved productivity and DevOps agility
✓ Portability of apps and dependencies
✓ High availability and Orchestration with ACS/K8
and Service Fabric
Existing Apps.NET Web apps (on-prem.)
On-Premises
Relational
Database
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Lift & Shift.NET Web apps (Cloud)
CONS× Containerization is an additional step in the
learning curve
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Cloud Maturity Model
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3. Going to Cloud-Optimized (Full PaaS)
PROS✓ Optimized for long term agility
Existing Apps.NET Web apps (on-prem.)
On-Premises
Relational
Database
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Extend your apps with new services based upon Server less computing, Microservices
architecture and PaaS services (AppService) to fully exploit the advantages of the cloud.
Wrap-up
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3. Going to Cloud-Optimized (Full PaaS)
PROS✓ Optimized for long term agility
✓ Optimized for scale and high availability
✓ Modern Architecture with Microservices and
Cloud Native technologies
Existing Apps.NET Web apps (on-prem.)
On-Premises
Relational
Database
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
Extend your apps with new services based upon Server less computing, Microservices
architecture and PaaS services (AppService) to fully exploit the advantages of the cloud.
Wrap-up
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When to use Azure App Service? (PaaS for Web Apps)
Server-side applications
in .NET Framework
App has
server/custom
dependencies?
Use just .NET
Framework
on pure
PaaS Cloud-Optimized
for
web apps
NO
dependencies
A
Use .NET
Framework
on Windows
ContainersB
Cloud DevOps-Ready
for
web apps
YES,
dependencies
Server/custom dependencies: i.e. MSI to install on server, COM/COM+ components, ISAPI, etc.
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3. Going to Cloud-Optimized (Full PaaS)
PROS✓ Optimized for long term agility
✓ Optimized for scale and high availability
✓ Modern Architecture with Microservices and
Cloud Native technologies
Existing Apps.NET Web apps (on-prem.)
On-Premises
Relational
Database
Using:
Servers or VMs on-premises
SQL Server, Oracle, MySQL, etc.
CONS× Requires significant code refactoring or rewriting
(increased time and budget)
Extend your apps with new services based upon Server less computing, Microservices
architecture and PaaS services (AppService) to fully exploit the advantages of the cloud.
Wrap-up
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Modernization Maturity Model
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SQL is not the only option
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Do you need to build everything?
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Do you need a web server?
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Add Business Value
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DevOps
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