Technology - Cloud Flashcards

1
Q

Overall cost of Curiosity

A

1 billion (over 7 years)

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2
Q

Curiosity target date

A

End 1H25

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3
Q

Cloud and climate change

A

By moving to the Cloud, we are addressing carbon emissions (like part of the energy that doesn’t go to computing but cooling) thanks to Azure which would have been major investments in Erding

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4
Q

Hardware in the Cloud

A

Cloud providers have extremely efficient processors that are proprietary. Same for network connections, etc. because the performances they require are beyond what exists today.
Same applies to MDW like AI

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5
Q

Erding and Disaster Recovery

A

DR was considered with a site in FRA but that would have cost us another Erding

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6
Q

Microsoft and L partnership: areas

A
  • Cloud
  • Collaboration
  • Joint innovation
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7
Q

Example of MS and L collaboration

A

MS CEO helped convince Mariott or the Indian government

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8
Q

MS and L joint innovation

A

Both companies are obliged to invest a given amount for co-investment

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9
Q

Myth on “cloud-native”

A

!= running on the cloud
Putting a monolithic application in the cloud doesn’t make it cloud-native

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10
Q

Pillars of cloud-native (3)

A

1- Microservices
2- DevOps
3- Platform capabilities

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11
Q

Historic application design name

A

Tightly coupled monolithic applications

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12
Q

Why “tightly coupled” monolithic applications

A

Shared DB access and in-memory data

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13
Q

Intermediary application design name

A

Loosely coupled monolithic applications

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14
Q

Loosely coupled monolithic applications

A

Still deployed as a whole but internal modules are more independent

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15
Q

Microservices and engineering organisation

A

A microservice should be manageable by a single team

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16
Q

Answer to privacy needs on the Cloud

A

Zero Trust Architecture

17
Q

CoD

A

Capacity on Demand

18
Q

Cost of delays in Curiosity

A

150M eur (MS prices + ERD providers’ extension)

19
Q

Total cost of move to the cloud

A

150M eur

20
Q

L Cloud strategy wrt providers and why

A

A main one but several ones at some point
- not be tied
- in case not available in some countries

21
Q

Example of multi-cloud providers for L

A

R-Box to remain on AWS & Google

22
Q

Why is Cloud not cheaper

A

We didn’t work on elasticity out of lack of time

23
Q

What is our migration to the Cloud technically and the steps

A

Like building a data centre in Azure (network, processes, etc.)
3 yrs to build the platform, 1 yr to move soft

24
Q

Nats replaces

A

Kafka

25
Q

Steps of Curiosity

A

PRD
Other TST systems
DR
3-6 mth stabilisation