Re: Reason for Limited number of Root DNS Servers

2011-11-14 Thread Florian Weimer
* Gaurav Kansal: > As root DNS are running in anycast so number is not an issue at all. But I > don't understand where exactly is this limitation exists??? The limitation does not exist, otherwise it would not have been possible to add IPv6 addresses to the priming response. -- Florian Weimer

Re: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Mark Andrews
r, 2011 12:14 PM > To: Gaurav Kansal > Cc: bind-us...@isc.org > Subject: Re: Reason for Limited number of Root DNS Servers > > > In message <004c01cca034$259d4870$70d7d950$@nic.in>, Gaurav Kansal writes: > > > > Dear All, > > > > > > > >

Re: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Kevin Darcy
Mark Andrews [mailto:ma...@isc.org] Sent: Friday, 11 November, 2011 12:14 PM To: Gaurav Kansal Cc: bind-us...@isc.org Subject: Re: Reason for Limited number of Root DNS Servers In message<004c01cca034$259d4870$70d7d950$@nic.in>, Gaurav Kansal writes: Dear All, Somewhere I read that number

Re: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Aleksander Kurczyk
There is more than 13 physical root servers but these servers have only 13 domain names (a-m.root-servers.net) and ip addresses. Only 13 because of limitation of single DNS message to 512 bits (RFC 1035). http://root-servers.org -- List and map of the root servers Dnia 11 listopada 2011 6:38 Gaur

RE: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Gaurav Kansal
y, 11 November, 2011 12:14 PM To: Gaurav Kansal Cc: bind-us...@isc.org Subject: Re: Reason for Limited number of Root DNS Servers In message <004c01cca034$259d4870$70d7d950$@nic.in>, Gaurav Kansal writes: > > Dear All, > > > > Somewhere I read that number of ROOT

Re: Reason for Limited number of Root DNS Servers

2011-11-10 Thread Mark Andrews
In message <004c01cca034$259d4870$70d7d950$@nic.in>, Gaurav Kansal writes: > > Dear All, > > > > Somewhere I read that number of ROOT DNS servers is limited to 13 because of > protocol limitation of DNS and UDP. > > Exact writing was "A combination of limits in the DNS and certain > protoco

Re: Reason for Limited number of Root DNS Servers

2011-11-10 Thread Warren Kumari
On Nov 11, 2011, at 1:38 PM, Gaurav Kansal wrote: > Dear All, > > Somewhere I read that number of ROOT DNS servers is limited to 13 because of > protocol limitation of DNS and UDP. > Exact writing was “A combination of limits in the DNS and certain protocols, > namely the practical size of u

Re: Reason for Limited number of Root DNS Servers

2011-11-10 Thread Evan Hunt
On Fri, Nov 11, 2011 at 11:08:31AM +0530, Gaurav Kansal wrote: > As root DNS are running in anycast so number is not an issue at all. But I > don't understand where exactly is this limitation exists??? Prior to EDNS(0), DNS packets transmitted over UDP couldn't be more than 512 bytes in length. M