CE25 - Réseaux de communication multi-usages, infrastructures de hautes performances, sciences et technologies logicielles

Updating hypervisors in cloud data centers – WalkIn

Submission summary

Updating and maintaining hypervisors are tricky operations, but very common in data centers. Virtual machine (VM) migration is the main tool in the update process. VMs on servers are migrated to third-party servers, the hypervisor update is performed, and the VMs are retransferred. Although it is functional, this approach has many limitations: time-consuming because of migration, saturates network resources in the data center, and often requires a shutdown of client VMs. This project presents WalkIn, which is a platform for performing updates on main open-source hypervisors without the need for migration. WalkIn saves the running states of the VMs in memory, performs the update on the hypervisor, and restores VMs on the server all with a low VM interruption.

Project coordinator

Monsieur Boris Teabe (Institut de Recherche en Informatique de Toulouse)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

IRIT Institut de Recherche en Informatique de Toulouse

Help of the ANR 200,232 euros
Beginning and duration of the scientific project: - 36 Months

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