Nova cells is an optional deployment architecture that allows for scaling to thousands of compute nodes within a single region. It is in use by large deployers such as Rackspace, CERN, GoDaddy, and others. However because it is not the default architecture, lacks support for some major features like security groups, and is not well understood by most developers it does not receive the same level of testing and scrutiny as other parts of Nova and is considered experimental. The cells version 2 effort aims to change that. Under version 2 all Nova features will be supported and the default deployment will be using cells.
This talk will describe what work is taking place to get there, what all deployers need to know about the upgrade process that will be required, and what is coming in the future.
Attendees should leave this session with an understanding of what cells are, version 1 and 2, and what benefits they bring to a deployment. They will also have an understanding of what work has been done in Mitaka and what to expect in Newton.
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