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 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

Re: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Kevin Darcy
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 message004c01cca034$259d4870$70d7d950$@nic.in, Gaurav Kansal writes: Dear All, Somewhere I read that number of ROOT DNS

Re: Reason for Limited number of Root DNS Servers

2011-11-11 Thread Mark Andrews
: 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 DNS servers is limited to 13 because of protocol limitation of DNS and UDP. Exact writing

Reason for Limited number of Root DNS Servers

2011-11-10 Thread Gaurav Kansal
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 unfragmented User Datagram Protocol (UDP) packets, resulted in a