The B4 element contains a DNS proxy that will support DNS over v4 and proxy the DNS messages to the DNS server over v6 in the ISP network. The DNS server in the ISP must be able to resolve all the A and AAAA records.
On 5/26/10 5:26 AM, "[email protected]" <[email protected]> wrote: > Hi Alain, > I have one question about DS-lite. Would you please clearify it? Thanks. > > In your draft, you mention the B4 element can only get the IPv6 address > of a DNS recursive server, and as such will have to perform all DNS > resolution over IPv6. I want to know whether the DNS server can resolve all > IPv4 nodes over IPv6 successfully. And how? Is it necessary that the type A > DNS query packet travels through AFTR? Is there any requirement for the DNS > server in the ISP core network? > > Best Regards, > ------------------------------------ > Zhenqiang Li > 13911635816 > Department of Network Technology > China Mobile Research Institute > 2010-05-26 > _______________________________________________ > Softwires mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/softwires
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