= Benito =

Benito is a containerized approach to a next-gen testbed.

 * [wiki:August2011Demo August 2011 Demo Milestones]

== Embedder ==

 * Spits out annotated TopDL
 * Dumb (static)
 * Smart
   * Linear optimization problem (faber)
 * Self-describing containers guide embedding process

== Standard Container Interface ==

Need to merge the current Benito and fedd views on the standard interface

Needs a query interface, support for:

 * day-to-day experiment operations (node status, etc.)
 * recursive querying into internal containers
 * information to guide embedder

[[Image(embedding_query.png)]]

A smart embedder will query the pnode HV(s) for node availability and embed based on that. If the assign process on a pnode HV fails for some reason (e.g., someone swapped in a large experiment in the meantime), the embedder will requery and re-embed. This works given that swapins are a relatively rare event.

== Other things to think about ==

 * multicast file transfer (qemu root images)
  * never ever ever ever look at ~~frisbee~~ emulab code
 * log management
 * snapshotting
  * get it almost for free with qemu cow root fs images
 * why not libvirt? (besides NIH)