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ARTÍCULO
TITULO

Design, Implementation and Testing of a Tiny Multi-Threaded DNS64 Server

Gábor Lencse    
András Gábor Soós    

Resumen

DNS64 is going to be an important service (together with NAT64) in the upcoming years of the IPv6 transition enabling the clients having only IPv6 addresses to reach the servers having only IPv4 addresses (the majority of the servers on the Internet today). This paper describes the design, implementation and functional testing of MTD64, a flexible, easy to use, multi-threaded DNS64 proxy published as a free software under the GPLv2 license. All the theoretical background is introduced including the DNS message format, the operation of the DNS64 plus NAT64 solution and the construction of the IPv4-embedded IPv6 addresses. Our design decisions are fully disclosed from the high level ones to the details. Implementation is introduced at high level only as the details can be found in the developer documentation. The most important parts of a through functional testing are included as well as the results of some basic performance comparison with BIND.

PÁGINAS
pp. 68 - 78

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