[dns-operations] The (very) uneven distribution of DNS root servers on the Internet

[Mark Andrews]

In message <4FB3437A.3090805 at redbarn.org>, paul vixie writes:
> On 5/15/2012 11:56 PM, David Conrad wrote:
> > ... In the context of this blog posting, I personally think having
> > folks (ISPs in particular) pre-fetch/mirror the root zone in their
> > caches is the right answer to pretty much any useful definition of
> > "fair and equitable" related to serving the root zone :-).
> 
> now that i've been reminded that the SOA timers are shorter than the
> update frequency and that no NOTIFY is required for up-to-date stealth
> slave service; and now that the root is signed, making it unlikely that
> stealth copies will be amended or that their namespaces will be
> overloaded with other stealth slaves... i agree with drc here. let's
> start encouraging widespread stealth slavery for the root zone.

The only problem with this is ICANN wanting to make the DNS a flat
namespace by adding lots of vanity TLDs.   As these grow the space
required to serve "." increases and it will only be possible to do
this with large servers.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org