applying ea-driven development of air traffic management · • service-oriented / capability...
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Applying EA-driven development of Air Traffic ManagementDan MeadowsHead of EA and Requirements – NATS
Peter SlumpAssociate, Advanced Digital Engineering – Arup
BCS EA SG Annual Conference – 2nd July 2019
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Setting the scene…
• The National Air Traffic Services (NATS), supported by Arup, are introducing a new approach to managing the development of requirements – Focused on future transformational change programmes– Approach founded on the TOGAF methodology– Underpinned by the use of an Enterprise Architecture
• Implementing this approach, for a ~£800m change portfolio in a highly complex critical national infrastructure domain, comes with many challenges and generates many lessons…
2BCS EA SG Annual Conference – 2nd July 2019
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Who are NATS?
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VIDEO
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What is our Vision?
Industry-wide, problems with requirements drive substantial costs and delays• Re-work where deficient• Clarification where not clear• Ultimately, failure to deliver the right thing
An EA-driven approach is seen as key to mitigating these issues• Improving consistency and coherency• Eliminating project-silos• Providing greater clarity and strategic alignment
4BCS EA SG Annual Conference – 2nd July 2019
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It’s not just EA…
Changes are being delivered as part of a broader Business Change Framework• Portfolio, Programme and Project Management• Change Management• Benefits Management
All in a highly-regulated, risk-averse environment
5BCS EA SG Annual Conference – 2nd July 2019
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What have we changed?
• Text-based to Model-based
• Service-oriented / capability-driven
• Top-to-bottom traceability / strategy-led
• Specialist roles and centralised teams
• Consistent but tailorable processes
• Appropriate use of stakeholder expertise
6BCS EA SG Annual Conference – 2nd July 2019
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Leveraging Best Practice and Tools
The new EA and requirements approach uses:• TOGAF and the NATO Architecture Framework (NAF)
• Business Motivation Model
• Standardised tools: MEGA and DOORS
The broader Business Change Framework also integrates these with:• Management of Portfolios (MoP) and Managing Successful
Programmes (MSP)
• People Centred Implementation (PCI)
7BCS EA SG Annual Conference – 2nd July 2019
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Our Journey
8BCS EA SG Annual Conference – 2nd July 2019
Arup Review
Recommendation
CommunicateTrain
New
Approach & Methodology
Implement
Arup and NATS have been working together since 2017 to change the way NATS manage requirements
Starting with a review of existing practices
Recommending a new approach
Developing a new methodology
Developing a training and communication programme
Supporting the initial implementation
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Implementing the change…
Process DefinitionGuidance Materials
TemplatesRole Definitions
9BCS EA SG Annual Conference – 2nd July 2019
PROCESS PEOPLE
RecruitmentTraining
Centre of ExcellenceCommunity of Practice
CULTURE
Shared VisionEngagementPragmatism
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A Centre of Excellence
10BCS EA SG Annual Conference – 2nd July 2019
Previously - Requirements roles are treated as add-ons to other roles and spread out, without cohesion
The Vision - Centralise ownership and implementation of processes to be adopted and tools/guidance to support them
The Benefits - Efficient, coherent, consistent approaches with clear accountabilities and responsibilities
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Successes
• Senior buy-in
• Investment
• Training
• Enduring support
11BCS EA SG Annual Conference – 2nd July 2019
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Challenges and Lessons
• Dealing with the legacy
• Realistic ambition and pragmatism
• Devil in the detail
• Change curve
12BCS EA SG Annual Conference – 2nd July 2019
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Thank you
BCS EA SG Annual Conference – 2nd July 2019