NAB(호주국립은행) 사례 공유 - Building a Mass Migration Program: Moving Through Vision to Experiment and Scale Peter Jahnke 엔터프라이즈 서비스 매니저, AWS Matthew Carpenter 프로페셔널 서비스 매니저, AWS 호주의 4대 은행 중 하나인 NAB는 기술과 운영의 변화를 위해 향후 3년간 추가적으로 한화 약 1.5조를 투자한다고 발표하였습니다. 주요한 투자는 비용을 최적화하고 리스크를 최소화하며 민첩성을 높이기 위한 일환으로, 클라우드로의 대규모 애플리케이션 마이그레이션을 하는 것입니다. 이러한 투자는 NAB가 더 나은 고객 경험을 제공하도록 합니다. 이번 세션에서는 1) NAB가 클라우드 전략을 어떻게 세웠는지, 2) 왜 NAB가 AWS와 협력하였는지, 3) 클라우드로의 여정에서 무엇을 배웠는지, 4)이 여정이 NAB의 직원과 고객에게 어떠한 가치를 제공하였는지 그리고 5)결과적으로 어떻게 NAB 비즈니스 성장에 영향을 주었는지에 대한 정보를 제공합니다.

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NAB(호주국립은행) 사례 공유
- Building a Mass Migration Program :
Moving through Vision to Experiment and Scale
Peter Jahnke
Enterprise Services Manager
AWS Professional Services
Matthew Carpenter
Practice Manager
AWS Professional Services

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Format for Today’s Session
Creating Momentum – Helping NAB to drive change
Migration at Scale
Challenges and Lessons Learnt

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Creating Momentum
Helping NAB to drive change

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NAB is adopting a Cloud-First strategy to address
key challenges
REDUCE COST AND
COMPLEXITY OF
CHANGE
IMPROVE
CUSTOMER
EXPERIENCES
IMPROVE
RESELLIANCE

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NAB Cloud-usage has evolved over time
2012 20182013 2014 2015 2016 2017
AMP v1

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Migration is a Key Pillar for Change
• Create a Vision for the
Business
• Introduce Guiding
Principles
• Operating Model as a
Foundation
Establish Foundations Test and Learn
• Challenge the
organisation
• Think big and deliver
• Rapidly establish the
foundations

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These foundations established the Migration “Tenets”
De-couple to de-risk
Hybrid operating model
Learn by doing, avoid analysis-
paralysis
Think Big, Start Small and
Grow Fast
Business outcome led
Guardrails not stage gates
Application Led Migration
Lift and shift first, then
refactor
Establish
Foundations
Test and
Learn

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Dual operating model for COTS apps and DevOps
Grow
“DevOps”
Optimize
“Enterprise
DevOps”
Dev Team /
COTS
OperationsEngineering
PlatformApplications
Cloud Platform
Engineering
ITSM
DevOps
Teams
OperationsEngineering
PlatformApplications
ITSM
Cloud Platform Engineering
Strategic Strategic
Establish
Foundations
Test and
Learn

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Test and Learn – AMP was foundational learning
Establish
Foundations
Test and
Learn

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Migration at Scale

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NAB Planned to go Big in FY19 - Communicating
the Message Widely and Broadly
• Celebrated 30-50 Program
• Cemented AWS and Cloud Programs
• Outlines aspirations for 35% of NAB
applications in cloud by end of FY 2020
• Over 300 NAB GM, Head-Of and Business
Owners immersed in the plans
• Key Execs leading from front

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Developing an Operating model with partners that
would scale…
Retain
Portfolio
Discovery
AMS
Platform
DevOps
Platform
OperationsEngineering
PlatformApplications
Dev
Ops
Dev Team /
COTS
Cloud Platform
Engineering
ITSM
OperationsEngineering
PlatformApplications
Dev
Ops
DevOps
Teams
ITSM
Cloud Platform Engineering
Discover Migrate Run
Migration Factory
(Rehost / Simple Replatform)
Dojo led Migration
(Complex Replatform, Re-factor)
Validation
Cloud Enablement
Architecture Security SDLC process & Tools Regulatory
Governance – Roadblock removal, Migration Planning & velocity, benefits tracking
Self
Service
6R
Analysis

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Challenges and Lessons Learnt

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Going Fast – IS HARD…
Delivery
• 30 in 50 proposed
• Core team established
• Applications selected
• Delivery kick-off
• Landing Zones built
• Network Integration
• Identity Federation
Planning and Resourcing Engineering and Frameworks Migrations and Pattern Delivery
Day 0 Day 50Day -20 Day 20
WK 1 WK 6WK 2 WK 3 WK 4 WK 5
• 5 apps
• 10 apps
• 14 apps
• 18 apps
• 30 apps
• Operating model agreed

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Measure twice – cut once…
• Invest time to communicate and
keep communicating
• Clearly outline to the organisation
what and why
• Immersion is ESSENTIAL
• Do not skip this step
• Keep a tight grip on scope
• Do not lose sight of the objective
• Invest time to get Landing Zone
right
• Limit the blast radius and balance
this with manageability and cost

16. 감사합니다!
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