prkey is only fetched when it's needed tor nodes who aren't dirservers now fetch directories and autoconnect to new nodes listed in the directory default role is a non-dirserver node svn:r120
if connecting to a dirserver fails, remove it from the router array svn:r113
proxies now periodically pull down an hourly-updated directory, and replace their router list with it if it parses correctly. svn:r112