Michaël Boeckx Chief Technological Officer of NRB and Sébastien Georis Information System architect at NRB, explain NRB’s approach to a mainframe modernisation journey, covering the modernisation roadmap, a reference (microservices multicloud) architecture and solution building blocks, all taken care of by a team of more than 200 mainframe architects, analysts, developers, system engineers and consultants.

1. 1
WELCOME

2. 2
z legacy innovation - new architecture & API services
Michaël Boeckx, CTO NRB
Sebastien Georis, Information System Architect NRB
Business transformation powered by
technology

3. Journey
The Mainframe
Mainframe modernisation journey
The stable way to evolve your mainframe
Fit for purpose:
Cost effective
innovation
Modernisation:
Road to the
cloud
Re-hosting:
Migrate and
Run
30 Years of MF
experience with IBM
30 years critical
apps hosting
30 Years insurance
business
acumen
Standard
Cloud communication
Systems
of record and
engagement
hand in hand
Enable your
ecosystems
Securily
Introduce
cost efficiency
with faster time to market
Innovate the
customer experience
Mitigate
risk
easily while digitizing

4. Journey
The Mainframe
Mainframe modernisation
The journey to the cloud
Application
stack
NRB
Mainframe
Modernization
services
Modernization
roadmap
Solution building
blocks
Reference
architecture
Modernize
Microservices Multicloud architecture
Digital Platform
Micro
Services
IOT -
Twins
AI &
Analytics
User
Experience
New
Front-End
NRB NECS
Integration / Cloud staff
- Architects
- Analysts
- Developers
- System engineers
(Approx. 100 FTE)
→ AWS / Azure certified
NRB’ staff
Mainframe staff
- Modernisation architect
- Analysts
- Developers
- System engineers
(Approx. 200 FTE)
Expose & Consume

5. Journey
The Mainframe
Fit for purpose
Cost effective innovation
DVM
Digital Platform
Micro services
NRB NECS
Microservices Multicloud architecture
IoT AI
User
experience
Partners &
Cloud services
New
Front-End

6. Partners
and providers
Architecture – Simplified view example
API Gateway
API Gateway
INTRANET
EXTRANET
ESB
Application
Load Balancer
…
Paas
INTERNET

7. Journey
The Mainframe
Progressive modernisation
Fully integrated portal
3270 Web terminal emulation
Application Portal
Angular application
Consuming z/OS connect API or other
services providers API
Can Invoke with or without context