A new Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Simplified DNS Query under IPv4/IPv6 Mixed Environment
Author(s) : H. Kitamura, et al
Filename : draft-kitamura-ipv6-simple-dns-query-01.txt
Pages : 12
Date : 2011-03-14
This document discusses a simplified regular DNS query (resolving
from a domain name to IP address(es)) method under IPv4/IPv6 mixed
environment.
With current DNS query method under IPv4/IPv6 mixed environment, it
requires for a client to issue Two pairs of DNS query/response
messages (one for A(IPv4) record, the other for AAAA(IPv6) record)
to obtain all of IPv4 and IPv6 addresses of the node with its One
domain name argument.
It is clear that the current method (that requires to issue Two
pairs of DNS query/response messages for One domain name resolving)
is not sophisticated and not optimized for current IPv4/IPv6 mixed
environment.
The method was designed at the initial stage of IPv6 deployment
(when IPv6 was minority). At that time, it was a best practical
solution. However, now IPv6 is widely spreading. The current DNS
query method is getting problematic and will never last to the
future IPv6 fully deployed environment.
Goals of this document are:
1. to clarify the problems of current regular DNS query method
2. to propose a simplified regular DNS query method:
("One pair of DNS query/response messages for One domain name
resolving")
that is suitable for current IPv4/IPv6 mixed environment.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-kitamura-ipv6-simple-dns-query-01.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
Below is the data which will enable a MIME compliant mail reader
implementation to automatically retrieve the ASCII version of the
Internet-Draft.
- <ftp://ftp.ietf.org/internet-drafts/draft-kitamura-ipv6-simple-dns-query-01.txt>
-
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