Path: utzoo!utgpu!watserv1!watmath!att!linac!uwm.edu!zaphod.mps.ohio-state.edu!samsung!munnari.oz.au!comp.vuw.ac.nz!waikato.ac.nz!john From: john@waikato.ac.nz (John Houlker) Newsgroups: comp.protocols.tcp-ip.domains Subject: Re: problems with nsfnet-relay.ac.uk Message-ID: <1991Mar3.234002.3035@waikato.ac.nz> Date: 3 Mar 91 10:40:02 GMT References: <1991Feb22.181958.14608@ns.uoregon.edu> <75539@bu.edu.bu.edu> <1991Feb26.092928.954@ecrc.de> <1991Mar3.070813.29410@riacs.edu> Organization: University of Waikato, Hamilton, New Zealand Lines: 22 In article <1991Mar3.070813.29410@riacs.edu>, medin@cincsac.arc.nasa.gov (Milo S. Medin) writes: > > The answer is not politics. Adding a root server given the way the DNS is > currently built is serious business. The root of the problem is that the > RTT estimation code in many servers is broken. What this means is that > all the root servers are normally pounded upon by DNS servers both near > and far. . > Given the broken RTT estimators in most versions of BIND, deploying such a > server in Europe would result in queries from all over the world pummelling > the transatlantic link to the European root. . > re-engineering the root nameserver system is one of many things we are > trying to do to improve life in the worldwide Internet. Milo, given the inertia of the large number of "broken" servers, what about a "hack" of applying filters (at international gateways) on domain UDP to root servers that are too "distant". That would improve the RTT estimation :-). Is root-root server traffic all TCP? John