RE: 3gpp scenario 2

[<Jasminko.W.Mulahusic@telia.se>]

this is not an issue as long as you have a continuous name space.

and just because someone is deploying ipv6-only networks, doesn't mean the name space is automatically fragmented.

jasminko

> -----Original Message-----
> From: juha.wiljakka@nokia.com [mailto:juha.wiljakka@nokia.com]
> Sent: den 17 december 2002 12:24
> To: Anand.Thakur@hpsglobal.com
> Cc: v6ops@ops.ietf.org
> Subject: RE: 3gpp scenario 2
> 
> 
> Anand,
> 
> I assume that this is a very common problem / environment in 
> initial IPv6 deployment, i.e. two separate IPv6 islands 
> connected by IPv4 network using "IPv6 in IPv4" tunneling and 
> solutions have already been thought by several (DNS) experts.
> 
> What if we already have some static "IPv6 in IPv4" tunnels 
> configured from the operator's network to, say, IPv6 internet 
> / 6bone and there is IPv6 connection to node B? 
> 
> I am very happy to receive more comments on this issue.
> 
> Thanks,
> 	-Juha-
> 
> -----Original Message-----
> From: ext Thakur, Anand [mailto:Anand.Thakur@hpsglobal.com]
> Sent: 17 December, 2002 13:01
> To: Wiljakka Juha (NMP/Tampere)
> Cc: V6ops (E-mail)
> Subject: 3gpp scenario 2
> 
> 
> hi huha,
> i was just wondering about the scenario in which 2 IPV6 UEs 
> communicate over
> an IPV4 network. In this scenario won't initial DNS 
> resolution be a very
> difficult job (if not impossible)? 
> If you have not understood my question read this example:
> Let Host A be on IPV6 netork X and Host B on IPV6 network Y. 
> Now, if A makes
> a DNS query ("A") for B, none of the name resolvers in 
> network X will have
> an entry for B . How will this query finally reach network Y, 
> assuming all
> intermediate routers are IPV4 only? Will A have to explicitly 
> tunnel this
> request to network Y? I am also assuming that DNS servers in the IPV4
> internet don't support "AAAA".
> 
> regards
> Anand Thakur
> HCL Perot Systems (A SEI CMM Level 5 Company)
> Plot No 3, Sector 125, NOIDA (UP)-201301, India
> * Tel  +91 120 4432755-79, X3348 (EPABX)
> mobile:9811748512
> 
> 
>