[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: di: apt-spy instead of choose mirror ?

On Thu, Jul 19, 2001 at 09:22:08PM -0400, Matt Zimmerman wrote:
> On Thu, Jul 19, 2001 at 05:32:18PM -0700, idalton@ferret.dyndns.org wrote:
> > On Thu, Jul 19, 2001 at 01:42:27PM -0700, Mike Fedyk wrote:
> > > 
> > > It should be based on AS numbers IMHO.
> > 
> > What are AS numbers?
> Autonomous System numbers, which are assigned to organizations for routing
> purposes.  They can be a reasonable indicator of overall path length (though
> not necessarily performance).  Of course, in order to map IP addresses to AS
> numbers and calculate the distance between a pair of AS's, you need access to a
> large database of IP allocations as well as a copy of the entire Internet
> routing table.  I doubt this would be a good use of space on the boot-floppies,
> and the overhead required to lookup all of this information over the network
> would probably outweigh the usefulness of the results.
Hmm, yeah, you're right.

The idea was to get the closest 25 servers and then test their
performance from there...

I haven't gotten too deep into routing protocols, but I'd bet it
wouldn't be too hard to have zebra or something like that dump it's
bgp table into a sql server, and do lookups from that... Is anyone
already doing something like that already? 

Reply to: