uncloud-mravi/docs/source/introduction/introduction.rst

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Introduction
============
**Open** + **Simple** + **Easy to hack** + **IPv6 First**
Tech Stack
----------
* Python 3 as main language.
* Flask for APIs.
* JSON for specifications.
* QEMU (+ kvm acceleration) as hypervisor.
* etcd for key/value storage (specifically all metadata e.g Virtual Machine Specifications, Networks Specifications, Images Specifications etc.).
* Ceph for image storage.
Components
----------
* API
* Scheduler
* Host
* File Scanner
* Image Scanner
* Metadata Server
* VM Init Scripts (dubbed as ucloud-init)