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What is the difference between Essex and Folsom's OpenSack release?

I am new to Openstack.

I need to find any API changes in the Essex and Folsom release APIs. Change API means any parameter added in new version? or is there any return API value in the new version?

I am searching on the net, and what I understand from the net (correct me if I am wrong):

  • Essex and Folsom are two editions of Openstack.
  • Essex and Folsom are not version changes. (meaning Essex is 2.0, and Folsom is 3.0).
  • Nova (Compute), Horizone (Dashboard), Keystone (Identity service), Glance (Image Service) and Swift (object storage) are different components of Openstack.
  • Essex is released, and Folsom is in the next release.
  • The API described at http://api.openstack.org/ is associated with the Essex release.

If you can help me in this direction, it will help me.

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These are two different versions of OpenStack versions.

Essex was released in spring 2012 (release No. 2012.1), Folsom will be released soon this month (2012.3 will be released).

Major changes will be discussed in the release notes described in the project here: http://wiki.openstack.org/ReleaseNotes/Folsom . These release notes are still populated by various projects.

At a high level, the biggest change is that the component / functionality of the volume has been split into its own project (cinder), adding a new project to the OpenStack kernel. I do not personally update in all changes, but I believe that the API has remained almost identical for most services. I know this is for Keystone (identification components), as we are still working on the "v3" api for the keyword.

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Source: https://habr.com/ru/post/1434756/

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