root servers
phn at icke-reklam.ipsec.nu
phn at icke-reklam.ipsec.nu
Wed Dec 11 22:01:31 UTC 2002
Bill Manning <bmanning at isi.edu> wrote:
> % Damien SOULIER <damien.soulier at free.fr> wrote:
> % > I have one question and i can't find any answer.
> % > Why there is only 13 root servers.
> % > If someone can give me an answer, it will be fine.
> %=20
> % - 13 is enough ( there was 11 some years ago)
> % - 13 is pretty much he limit to pack in one answer.
> %=20
> % There is no architectural reason for 13, although it
> % is a reasonable value.
> %=20
> % Measurments on rootservers shows that they are no bottleneck, and
> % they are reasonable spreac acrosss the globe.
> %=20
> % > Damien
> %=20
> % Peter H=3DE5kanson=3D20=3D20=3D20=3D20=3D20=3D20=3D20=3D20=3D20
> for the late 1980s and through 1996, there were nine (9) root servers.
> in 1996, the root-servers were re-named, allowing the addition of four (=
4)
> more servers, giving us the current number of thirteen (13). The reason
> for this is that a priming query needs to fit within a single unfragment=
ed
> UDP packet.
Thanks for the clarification.
Do you happen to have records of which 9, their locations and
which organisations running them ?
( i had the impression of 11 but i'm often wrong )
--=20
Peter H=E5kanson=20=20=20=20=20=20=20=20=20
IPSec Sverige ( At Gothenburg Riverside )
Sorry about my e-mail address, but i'm trying to keep spam out,
remove "icke-reklam" if you feel for mailing me. Thanx.
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