Privacy Extensions for Stateless Address Autoconfiguration in IPv6
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From: The IESG <firstname.lastname@example.org> To: IETF-Announce <email@example.com> Cc: Internet Architecture Board <firstname.lastname@example.org>, RFC Editor <email@example.com> Subject: Protocol Action: 'Privacy Extensions for Stateless Address Autoconfiguration in IPv6' to Draft Standard The IESG has approved the following document: - 'Privacy Extensions for Stateless Address Autoconfiguration in IPv6 ' <draft-ietf-ipv6-privacy-addrs-v2-06.txt> as a Draft Standard This document is the product of the IP Version 6 Working Group. The IESG contact persons are Jari Arkko and Mark Townsley. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-ipv6-privacy-addrs-v2-06.txt
Technical Summary Nodes use IPv6 stateless address autoconfiguration to generate addresses using a combination of locally available information and information advertised by routers. Addresses are formed by combining network prefixes with an interface identifier. On interfaces that contain embedded IEEE Identifiers, the interface identifier is typically derived from it. On other interface types, the interface identifier is generated through other means, for example, via random number generation. This document describes an extension to IPv6 stateless address autoconfiguration for interfaces whose interface identifier is derived from an IEEE identifier. Use of the extension causes nodes to generate global scope addresses from interface identifiers that change over time, even in cases where the interface contains an embedded IEEE identifier. Changing the interface identifier (and the global scope addresses generated from it) over time makes it more difficult for eavesdroppers and other information collectors to identify when different addresses used in different transactions actually correspond to the same node. Working Group Summary This document is a work item of the IPv6 WG. The IPv6 working group has done extensive review of this document and this document reflects the consensus of the group. Protocol Quality This document has been reviewed by members of the firstname.lastname@example.org mailing list and by the working group chairs. This document has been reviewed for the IESG by Margaret Wasserman. The implementation report is available at http://www.ietf.org/IESG/Implementations/implement_draft-ietf-ipv6-privacy-addrs -v2.txt Note to RFC Editor In section 3.3 "Generating Temporary Addresses" Step 1 line 8 replace the text "TEMP_VALID_LIFETIME - DESYNC_FACTOR" with "TEMP_VALID_LIFETIME"