Date: Fri, 30 Apr 1999 13:44:08 GMT From: NATPT - John King <natpt@labyrinth.bt.co.uk> To: ngtrans@sunroof.eng.sun.com, user@ipv6.org, deployment@ipv6.org, snap-users@kame.net, 6bone@isi.edu, freebsd-questions@freebsd.org Cc: george@gideon.bt.co.uk Subject: BT's NAT-PT Implementation Message-ID: <199904301344.NAA11797@onion.labyrinth.bt.co.uk>
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BT have developed an implementation of NAT-PT (Network Address Translation - Protocol Translation) which is based on the IETF draft specification <draft-ietf-ngtrans-natpt-05.txt> http://search.ietf.org/internet-drafts/draft-ietf-ngtrans-natpt-05.txt. NAT-PT provides a seamless bi-directional translation capability between IPv4 and IPv6 networks. NAT-PT is located on the boundary router between IPv4 and IPv6 and translates all packets crossing the boundary and where necessary assigns a global IPv4 address to represent an IPv6 host. DNS is a vital component of NAT-PT as it allows hosts to communicate across the boundary by knowledge of DNS addresses and negates the need for end hosts to be concerned about the destination host network type or IP address. The implementation developed in BT resides on a FreeBSD host using the Kame IPv6 stack for connection to the IPv6 network. We are making the implementation available to promote the draft specification, which was jointly written by BT and Lucent, and also promote the concept of NAT-PT as an IPv4/IPv6 translation mechanism. We have two sites from which the NAT-PT implementation may be downloaded from. http://nat-pt.ipv6.bt.net is a 6bone web site. Alternatively http://www.labs.bt.com/technical/nat_pt/ provides the same access via the Internet. We do ask that you identify yourself prior to downloading the code so that we can gauge the level of interest and for the notification of code updates. If you would like to send us comments or report bugs please reply to this email address natpt@labyrinth.bt.co.uk ----------------------------------------------------------------------------- John King MLB4/54 BT Labs Martlesham Heath Ipswich IP5 3RE UK Email:natpt@labyrinth.bt.co.uk British Telecommunications plc Registered Office 81 Newgate Street London EC1A 7AJ Registered in England no 1800000 ----------------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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