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Handbook of Sustainable Design of Digital Services

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Architecture    ODD#9    

Is the hosting of applications densified ?

Recommendation 

Sustainable IT Infrastructure

C People

A Planet

B Prosperity

Difficulty

**

Priority

Medium

Récurrence

OnUpdate

Tests

Is the VM over-provisioning rate monitored?

Precisions

The adaptation of technical resources and their uses must be monitored in relation to the sum of the virtual resources allocated and consumed by the applications. Certain technologies (Virtualization) allow the allocation of several virtual components on the same physical component in order to increase the density of the hosting solutions.

Use Case

Technical documentation reports required resources & optimisations (virtualisation, container, ...)

Additional elements

Operational issues related to the project

Posts

Rule for assessing the level of compliance of the criterion

Formalized = 100 ; Planned = 75 ; Identified = 50 ; Ignored = 0 / 100

Life cycle

Déploiement

5 other criteria related to the recommendation: Anticipate the operation of services

Recommendation Essential

Life cycle

Are the environments other than production (DEV, QA, ...) switched off or decommissioned outside the ranges of use (at night, outside the test periods) ?

Recommendation

Sustainable IT Infrastructure

Are methods in place to measure the actual consumption of the code in production and allow accurate sizing ?

Recommendation

Life cycle

Are unused production environments outside of peak loads turned off or decommissioned ?

Recommendation

Software Design Sustainable IT

Are the definitions of SLA and QoS for each of the functions of the application architecture specified in accordance with the business uses ?

Recommendation

Software Design Sustainable IT

Is the digital service efficient all along its lifespan ?