Learning Objectives: - Understand what encompasses a large-scale migration and the key business drivers for this change - Learn the stages of adopting the AWS Cloud and key activities to complete before considering a large-scale migration - Learn how to analyze your application portfolio and classify it against common migration patterns - Discover the tools and techniques to help streamline your migration activities - Learn program management and governance techniques to ensure success Many businesses have a large portfolio of existing applications running on-premises today and are interested in moving those workloads to AWS in order to achieve cost savings and enable business agility. Planning a large-scale migration to the cloud takes time and effort, as well as expertise and tools to ensure success along the way. AWS has developed a framework to help customers plan and execute large-scale migration programs, consisting of a comprehensive methodology, a set of tools, and partners with deep subject expertise. In this tech talk, you will learn about foundational milestones to achieve in your migration journey, how to analyze your application portfolio, plan and execute your migration project, and enable your organization to operate on the cloud. This framework leverages our experiences and best practices in assisting organization around the world with their migration programs.

1. Best Practices in Planning a Large
Scale Migration to AWS
Nirav Kothari, Principal Consultant

2. Agenda
• Migrating to AWS
• Stages of Cloud Migration
• Pre-Migration
• Migration
• Post-Migration
• Q&A

3. Cloud Stages of Adoption
Covered in the next 30 minutes

4. Stages of Cloud Migration:
Pre-Migration

5. Identify Key Resources
IT Organization

6. Mitigate the Effect of Functional Siloes
CCoE
Security
Development
Architecture Operations
Leadership
Finance

7. How Do You Start?
Amazon Web ServicesData Center
First
Project

8. Conduct Validation
Amazon Web ServicesData Center
First
Project
Validate
Foundation

9. Apply in Full
Amazon Web ServicesData Center
First
Project
Validate
Foundation
Validate
Methodology

10. What Is a Landing Zone?
A configured, secure enterprise multi-account AWS environment based
on best practices
A starting point for your application migration journey
An environment that allows for iteration and extension over time

11. MVL 1.0
MVL
Landing Zones
MVL 1.2
MVL 1.1
Data Center

12. Start Small and Iterate with Use Cases
Action Steps
1. Create CCoE
2. Execute a representative sample project
3. Create a process with the lessons learned
4. Validate the foundation & methodology
Considerations
1. Prevent analysis paralysis
2. Avoid up front discovery for the entire portfolio
3. Create a Minimum Viable Landing Zone (MVL)

13. Stages of Cloud Migration:
Migration

14. Migration Methodology
Time
Change
Time
Change
Big Bang Migrations
“Waterfall Methodology”
Iterative Migration
“Agile Methodology”
Larger Effort
Increased Risk
Smaller Efforts
Minimized Risk
App1
App2 App3

15. Agile Process
Time
Change
Web Tier App Tier Database

16. Migration Paths
Migration Factory
Re-host
Migration Factory
Re-architect
New workloads
CCoE
Cloud-native

17. Migration vs. Daily Business
Daily Business Migration Factory
Application Owner
Migrated Apps:
Migrated Servers:
318
1937
Migration Factory Dashboard
Track
Progress
??

18. Prioritize Agility
Action Steps
1. Prioritize agility
2. Try small and validate
3. Set up a migration factory
4. Track and communicate progress
Considerations
1. Appropriate migration paths based on workload profiles
2. Smaller sprint teams
3. Additional contention on resources during migration

19. Stages of Cloud Migration:
Post-Migration

20. Governance
Cloud Center
of Excellence
(CCoE)
Internal
Customers
Control
Standardization
Governance
Agility
Self-Service
Time to Market

21. Organizational Change
IT Organization
Cloud Center of Excellence
(CCoE)

22. Initial Migration
Time
Change
Amazon
EC2
Instance
Server
(On-Prem)
Data Warehouse
Migration

23. Ongoing Progression
Time
Change
Amazon
EC2
Instance
Amazon
RDS
Server
(On-Prem)
Data Warehouse
Migration

24. Comprehensive Migration
Time
Change
Amazon
EC2
Instance
Amazon
RDS
Amazon
Redshift
Server
(On-Prem)
Data Warehouse
Migration

25. Apply Learning Across the Organization
Action Steps
1. Create re-usable building blocks
2. Continue to evolve
Considerations
1. Organizational change process
2. Use existing IT organization knowledge
3. Migrate and optimize

26. App Migration and Automation Tools
SERVER & DB MIGRATION ADDITIONAL 3RD PARTY
MIGRATION TOOLS
DATA TRANSFER
S3 Transfer Acceleration
AWS Storage and File Gateway
AWS Direct Connect
Amazon Kinesis Firehose
AWS Server Migration Service
AWS Database Migration Service
VMWare Cloud on AWS
APPLICATION MIGRATION
AWS Snowball & Snowmobile
AWS Application Discovery
Service

27. Utilize the AWS Partner Network

28. Addressing the Three Stages of Migration
Pre-Migration Stage
1. Create a Cloud Center of Excellence (CCoE)
2. Conduct a pre-migration migration
3. Build a minimal landing zone and iterate
Migration Stage
4. Prioritize agility
5. Leverage specialized migration factories
6. Track and communicate progress
Post-Migration Stage
7. Apply lessons learned
8. Create re-usable building blocks
9. Continue to evolve

29. https://aws.amazon.com/professional-services/

30. Resources
1. AWS Cloud Adoption Framework (CAF) 
https://aws.amazon.com/professional-services/CAF/
2. AWS Well-Architected Framework 
https://aws.amazon.com/architecture/well-architected/
3. A Practical Guide to Cloud Migration 
https://aws.amazon.com/blogs/publicsector/a-practical-guide-to-cloud-
migration/
4. 6R’s of Migration 
https://www.youtube.com/watch?v=8U1ZZzqh8LQ
5. Preparing for Large Scale Migrations 
https://www.youtube.com/watch?v=K5OXIz4fdg0
6. Creating Landing Zones for Migration 
https://www.youtube.com/watch?v=nXdgc1GREiU

31. Q&A

32. Thank You!