> What do you mean by "apply changes"? Each venti has a set of > blocks corresponding to vac hierarchies. Each vac hierarchy > has a single parent. Retrieving the missing blocks reachable > from a hierarchy of interest to you is all that is needed.
you can put anything in venti. they don't need to be vac heirarchies. > Some level of smartness in how block traversal is made needs to > be there. I would also like to have an agent close to the actual > server hosting venti archive being able to do things on my behalf > and only sending the results back (e.g. traversing the hierarchies > only to determine that certain things are not needed is painful > over the network). Plus there has to be a security mechanism that > would not allow me to request random blocks, unless I'm authorized. after adding the needed features, what would the advantage be over replica? - erik