Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

FP5

6NET Berichtzusammenfassung

Project ID: IST-2001-32603
Gefördert unter: FP5-IST
Land: Norway

Design, implementation and dissemination of a DNS proxy (called totd) required for deployment of IPv6-only nodes and networks

IPv4 and IPv6 will need to interoperate for many years. An important part of the 6NET project is therefore to investigate deployment of transition mechanisms. A number of transition mechanisms [RFC2766,RFC3142] operating at the network and transport level make use of IPv6 addresses that embed an IPv4 address. Applications and their users typically (should) use DNS hostnames to denote communication endpoints, instead of dealing with IP addresses directly. Expecting the users and applications to embed an IPv4 address into an IPv6 address is therefore unreasonable as they will expect the DNS system to map hostnames to whatever address(es) usable for communication. Hence, we need support in the DNS for the generation of these special addresses needed for the transition mechanisms in question.

Address mapping support could be added in the DNS resolvers and/or servers, or a special-purpose DNS proxy could be used. The latter approach has been persued as part of the 6NET project in the form of the IPv6/IPv4 translating DNS proxy `totd'.
Documentation, source code and binaries of the proxy software is freely available for a variety of operating systems. This proxy is essential for IPv6-only nodes and networks and has already been downloaded by thousands of users.

Verwandte Informationen

Reported by

Invenia Innovation As
Forskningsparken
9291 Tromsoe
Norway
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