> one of the issues with the descriptor approach is bandwidth.
This very much depends. Yes - it is overhead (which may be small when well
designed) - it may need superfluous TCP opens (when not too well designed)
- but it also opens up a whole new set of optimizations, of efficient
caching, of trust management, of (partial) mirrors and more ways of
avoiding fetching the wrong file as entropy does its usual (and
So I think that in the long run this trade off may actually be on the
bandwidth (or at least perceived latency) side of the coin.