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© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Container Based Hybrid Cloud
Architecture
Kim Kao 高翊凱
Solutions Architect
Amazon Web Services
Domain Driven Design(DDD Taiwan)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Agenda
Hybrid cloud embrace opportunities
Prioritize workloads migrate to Cloud
Decoupling legacy with domain experts
Modern application development
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
The new normal: companies are increasingly
global and products are increasingly digital
47%
of CEOs said they are
being challenged by
the board of directors
to make progress in
digital business
Source: Gartner
79%
of CIOs believe that
digital business is
making their IT
organizations better
prepared to change
67%
of all business leaders
believe that they must
pick up the pace of
digitalization to remain
competitive
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Why are enterprises
adopting containers?
• Accelerate software development
• Build modern applications
• Automate operations at web scale
© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Factors to Success
Culture Skill Organization Finance
Leadership
Systems and
Feedback
Methodology
and Technology
Move from
Projects
to Product
Teams
Capex
Versus
Opex
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
To maintain competitive advantage, digital
businesses must innovate as rapidly as
possible
FeedbackIdeas
Experiment
Innovation
Flywheel
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Hybrid cloud strategy
of large
enterprises run
VMs in the
public cloud
(IDC)
60%
of organizations
have a hybrid
cloud strategy
today (IDC*)
65%
of workloads
are virtualized
today
(IDC )
83%
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Many worry there are only two choices
Build a
“private”
cloud
Rip everything out
and move to
AWS
#1 #2
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
The good news is – it isn’t an “all or nothing”
choice
On-premises
resources
Cloud
resources
Integration
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
What do customers want in hybrid?
Run workloads
on-premises
Run workloads
on the cloud
Tight integration Without buying
new hardware
$
S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Manager -
“We are going to run workload(s) on AWS.
We have new sub-systems/module to develop with legacy services.
Container is good. It’s great to have whole cloud native advantage
if you guys migrate all service into microservice, serverless...”
Developer(s) - “Not a problem. I’ll make it …”
A typical day for customer
...
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Jump into real world...
https://vaughnvernon.co/tag/event-storming/
(Earn money as usual) (will it run as usual?)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
(priority, market expectation)
Domain
Expert
Matters
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Strategies for Dealing with Legacy Systems
• Bubble Context
• Place your new functionality in a bubble and have repositories as an anti-corruption
layer(ACL) toward the legacy code and data.
• Autonomous Bubble
• Start a new chapter OUTSIDE the legacy code with its own storage. Thus we need to
synchronize ACL and similar information that you shares with the legacy system
• Open Host Services in Published Language
• Expose legacy assets through an open host service. Using an anti-corruption layer to convert
the necessary information to the new system
• Event Streams
• The systems communicate trough events. The anti-corruption layer now publishes the event
and monitor the state of the other system. The solution is similar to event sourcing.
(priority, customer expectation)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
ISV/Package
Support sub Domain
Out Sourcing
General Sub Domain
Pay the most efforts on critical business component
Talents developing code
Core Sub Domain
(self employee, out sourcing, ISV)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
• Incrementally breakout dependencies
• Cut-off Database Link
• Do not allow cross schema access permissions
• Define API contract only for data exchange
• Considering to move out store procedure into application code
• Leave the legacy system as a data container
(CRM, ERP, Payment Gateway
...)
S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
(dealing with transaction, service lookup)
Monolith
Does everything
Per Service
Do only one thing
Business matters
Immutable facts
- Order Created
- Coupon applied
- Account Registered
Intention
Business behavior
- Create an Order
- Apply Coupon
- Register an Account
Responsible for
Capabilities
- Order
- Discount
- Identity Management
Accept
&
process
Presentation Model
Help to make decision
Composite data type
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
(dealing with transaction, service lookup)
Monolith
Does everything
Per Service
Do only one thing
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
• Microservices candidate – Bounded Context
• Per Bounded Context form up system Boundary
• One Bounded Context may
• Contains multiple co-related Aggregates
• Or only one Aggregate with Specific business capability
(dealing with transaction, service lookup)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
(by noun, organization, experience?)
(CRM, ERP, Payment Gateway
...)
(self employee, out sourcing, ISV)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
• By business Capability
• Form up boundary by Bounded Context
(by noun, organization, experience?)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
(by noun, organization, experience?)
A Team
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
• Resources allocation by value chain
• Talents devote to build up core sub domain
• Responsible for general sub domain
• Out sourcing or ISV for support domain
(self employee, out sourcing, ISV)
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
• Incrementally breakout dependencies
• Cut-off Database Link
• Do not allow cross schema access permissions
• Define API contract only for data exchange
• Considering to move out store procedure into application code
• Leave the legacy system as a data container
(CRM, ERP, Payment Gateway
...)
S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Capabilities of a modern application
Secure Resilient Elastic
Modular Automated Interoperable
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Public cloudOn-premises
environment
Containers and Kubernetes bring them closer…
Scalability
Speed
Portability
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
How are customers using Amazon EKS?
Microservices
PaaS
Enterprise app migrations
Machine learning
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon EKS Architecture
mycluster.eks.amazonaws.com
EKS workers
Kubectl
AZ 1 AZ 2 AZ 3
Your AWS account
VPC
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Kubernetes control plane
Highly available and single
tenant infrastructure
All “native AWS” components
Fronted by an NLB
VPC
API Server ASG
Etcd ASG
NLB
AZ-1 AZ-2 AZ-3
ELB
Instances
Instances
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Hybrid Cloud on AWS
AWS Cloud Corporate data center
AWS VPN
AWS Direct Connect
Customer
gatewayAWS Transit Gateway
VPC
Subnet Subnet
Company.aws
Company.local
DC1 DC2 DC3
Trust
Identity integrations
AWS Management
Console
Amazon EC2
AWS Directory Service AWS Directory Service
AWS Single Sign-OnAmazon RDS
EKS
Kubernetes
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Cross-account ENI
EKS VPCCustomer VPC
Worker Nodes
EKS ENI
Kubernetes
API calls
Exec, Logs,
Proxy
Internet
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Amazon VPC CNI plugin
ENI
Secondary IPs:
10.0.0.1
10.0.0.2
10.0.0.1
10.0.0.2
ENI
10.0.0.20
10.0.0.22
Secondary IPs:
10.0.0.20
10.0.0.22
ec2.associateaddress()
VPC Subnet – 10.0.0.0/24
Instance 1 Instance 2
VPC
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
EKS Supports Advanced Networking
Architectures
VPC - Multiple IP ranges
Subnet 1 – 10.0.0.0/16 Subnet 2 – 100.64.0.0/10
Customer
gateway
Corporate
data center
On-Premise – 10.1.0.0/16
VPN or DX Pod
Outbound
Traffic SNAT
EKS Worker Node
Primary ENI Pod
Secondary
ENI
Pod –
100.64.0.200
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Migrating data: Five key questions
1) What kind of data is it, and where is it
going?
4) How much data and time do you
have?
2) One time or continuous
movement?3) One way or bi-directional?
5) WAN links & bandwidth
constraints?
Amazo
n
S3
Amazo
n EC2
Amazo
n EFS
Amazo
n EBS
Amazo
n
AuroraAmazo
n EMR
Amazo
n
Glacier
Amazon
RDS
AWS
IoT
Amazo
n
Redshif
t
Files Block
volumes
Databas
es
IoT
Stream
s
Amazo
n FSx
Amazon
Dynamo
DB
AWS
Machine
Learning
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Take Away
Know Why/What/How
• Take benefits from on-premise by hybrid cloud
• EKS supports hybrid computing environment
• Keep small step to migrate workload
• To collaborate Business and Technology guys by
speaking Ubiquitous Language
• Crunch Problem, then design solution
© 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T
Implementing DDD on AWS
Community : DDD Taiwan@FB
Telegram : YikaiKao
WeChat : YikaiKao
Twitter : @YikaiKao
GitHub Repos
Thank you!
S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.

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以容器技術為基礎的混合雲設計架構

  • 1. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Container Based Hybrid Cloud Architecture Kim Kao 高翊凱 Solutions Architect Amazon Web Services Domain Driven Design(DDD Taiwan)
  • 2. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Agenda Hybrid cloud embrace opportunities Prioritize workloads migrate to Cloud Decoupling legacy with domain experts Modern application development
  • 3. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T The new normal: companies are increasingly global and products are increasingly digital 47% of CEOs said they are being challenged by the board of directors to make progress in digital business Source: Gartner 79% of CIOs believe that digital business is making their IT organizations better prepared to change 67% of all business leaders believe that they must pick up the pace of digitalization to remain competitive
  • 4. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Why are enterprises adopting containers? • Accelerate software development • Build modern applications • Automate operations at web scale © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Amazon Confidential
  • 5. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Factors to Success Culture Skill Organization Finance Leadership Systems and Feedback Methodology and Technology Move from Projects to Product Teams Capex Versus Opex
  • 6. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T To maintain competitive advantage, digital businesses must innovate as rapidly as possible FeedbackIdeas Experiment Innovation Flywheel
  • 7. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Hybrid cloud strategy of large enterprises run VMs in the public cloud (IDC) 60% of organizations have a hybrid cloud strategy today (IDC*) 65% of workloads are virtualized today (IDC ) 83%
  • 8. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Many worry there are only two choices Build a “private” cloud Rip everything out and move to AWS #1 #2
  • 9. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T The good news is – it isn’t an “all or nothing” choice On-premises resources Cloud resources Integration
  • 10. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T What do customers want in hybrid? Run workloads on-premises Run workloads on the cloud Tight integration Without buying new hardware $
  • 11. S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  • 12. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Manager - “We are going to run workload(s) on AWS. We have new sub-systems/module to develop with legacy services. Container is good. It’s great to have whole cloud native advantage if you guys migrate all service into microservice, serverless...” Developer(s) - “Not a problem. I’ll make it …” A typical day for customer ...
  • 13. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Jump into real world... https://vaughnvernon.co/tag/event-storming/ (Earn money as usual) (will it run as usual?)
  • 14. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T (priority, market expectation) Domain Expert Matters
  • 15. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Strategies for Dealing with Legacy Systems • Bubble Context • Place your new functionality in a bubble and have repositories as an anti-corruption layer(ACL) toward the legacy code and data. • Autonomous Bubble • Start a new chapter OUTSIDE the legacy code with its own storage. Thus we need to synchronize ACL and similar information that you shares with the legacy system • Open Host Services in Published Language • Expose legacy assets through an open host service. Using an anti-corruption layer to convert the necessary information to the new system • Event Streams • The systems communicate trough events. The anti-corruption layer now publishes the event and monitor the state of the other system. The solution is similar to event sourcing. (priority, customer expectation)
  • 16. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T ISV/Package Support sub Domain Out Sourcing General Sub Domain Pay the most efforts on critical business component Talents developing code Core Sub Domain (self employee, out sourcing, ISV)
  • 17. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T • Incrementally breakout dependencies • Cut-off Database Link • Do not allow cross schema access permissions • Define API contract only for data exchange • Considering to move out store procedure into application code • Leave the legacy system as a data container (CRM, ERP, Payment Gateway ...)
  • 18. S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  • 19. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T (dealing with transaction, service lookup) Monolith Does everything Per Service Do only one thing Business matters Immutable facts - Order Created - Coupon applied - Account Registered Intention Business behavior - Create an Order - Apply Coupon - Register an Account Responsible for Capabilities - Order - Discount - Identity Management Accept & process Presentation Model Help to make decision Composite data type
  • 20. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T (dealing with transaction, service lookup) Monolith Does everything Per Service Do only one thing
  • 21. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T • Microservices candidate – Bounded Context • Per Bounded Context form up system Boundary • One Bounded Context may • Contains multiple co-related Aggregates • Or only one Aggregate with Specific business capability (dealing with transaction, service lookup)
  • 22. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T (by noun, organization, experience?) (CRM, ERP, Payment Gateway ...) (self employee, out sourcing, ISV)
  • 23. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T • By business Capability • Form up boundary by Bounded Context (by noun, organization, experience?)
  • 24. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T (by noun, organization, experience?) A Team
  • 25. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T • Resources allocation by value chain • Talents devote to build up core sub domain • Responsible for general sub domain • Out sourcing or ISV for support domain (self employee, out sourcing, ISV)
  • 26. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T • Incrementally breakout dependencies • Cut-off Database Link • Do not allow cross schema access permissions • Define API contract only for data exchange • Considering to move out store procedure into application code • Leave the legacy system as a data container (CRM, ERP, Payment Gateway ...)
  • 27. S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.
  • 28. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Capabilities of a modern application Secure Resilient Elastic Modular Automated Interoperable
  • 29. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Public cloudOn-premises environment Containers and Kubernetes bring them closer… Scalability Speed Portability
  • 30. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T How are customers using Amazon EKS? Microservices PaaS Enterprise app migrations Machine learning
  • 31. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Amazon EKS Architecture mycluster.eks.amazonaws.com EKS workers Kubectl AZ 1 AZ 2 AZ 3 Your AWS account VPC
  • 32. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Kubernetes control plane Highly available and single tenant infrastructure All “native AWS” components Fronted by an NLB VPC API Server ASG Etcd ASG NLB AZ-1 AZ-2 AZ-3 ELB Instances Instances
  • 33. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Hybrid Cloud on AWS AWS Cloud Corporate data center AWS VPN AWS Direct Connect Customer gatewayAWS Transit Gateway VPC Subnet Subnet Company.aws Company.local DC1 DC2 DC3 Trust Identity integrations AWS Management Console Amazon EC2 AWS Directory Service AWS Directory Service AWS Single Sign-OnAmazon RDS EKS Kubernetes
  • 34. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Cross-account ENI EKS VPCCustomer VPC Worker Nodes EKS ENI Kubernetes API calls Exec, Logs, Proxy Internet
  • 35. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Amazon VPC CNI plugin ENI Secondary IPs: 10.0.0.1 10.0.0.2 10.0.0.1 10.0.0.2 ENI 10.0.0.20 10.0.0.22 Secondary IPs: 10.0.0.20 10.0.0.22 ec2.associateaddress() VPC Subnet – 10.0.0.0/24 Instance 1 Instance 2 VPC
  • 36. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T EKS Supports Advanced Networking Architectures VPC - Multiple IP ranges Subnet 1 – 10.0.0.0/16 Subnet 2 – 100.64.0.0/10 Customer gateway Corporate data center On-Premise – 10.1.0.0/16 VPN or DX Pod Outbound Traffic SNAT EKS Worker Node Primary ENI Pod Secondary ENI Pod – 100.64.0.200
  • 37. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Migrating data: Five key questions 1) What kind of data is it, and where is it going? 4) How much data and time do you have? 2) One time or continuous movement?3) One way or bi-directional? 5) WAN links & bandwidth constraints? Amazo n S3 Amazo n EC2 Amazo n EFS Amazo n EBS Amazo n AuroraAmazo n EMR Amazo n Glacier Amazon RDS AWS IoT Amazo n Redshif t Files Block volumes Databas es IoT Stream s Amazo n FSx Amazon Dynamo DB AWS Machine Learning
  • 38. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Take Away Know Why/What/How • Take benefits from on-premise by hybrid cloud • EKS supports hybrid computing environment • Keep small step to migrate workload • To collaborate Business and Technology guys by speaking Ubiquitous Language • Crunch Problem, then design solution
  • 39. © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.S U M M I T Implementing DDD on AWS Community : DDD Taiwan@FB Telegram : YikaiKao WeChat : YikaiKao Twitter : @YikaiKao GitHub Repos
  • 40. Thank you! S U M M I T © 2019, Amazon Web Services, Inc. or its affiliates. All rights reserved.