For clarity I asked dnsop, which received the following two answers: Full posts: http://www1.ietf.org/mail-archive/web/dnsop/current/msg05542.html http://www1.ietf.org/mail-archive/web/dnsop/current/msg05541.html
Mark Andrews <Mark_Andrews at isc.org> 8<--------------------------------------------------------------- I suspect someone is worried about a application breaking if it tries to reach ::1. Mind you for the general health of the Internet such breakages should be found sooner rather than later. ---------------------------------------------------------------->8 Antonio Querubin <tony at lava.net> 8<--------------------------------------------------------------- For consistency it should really have localhost defined and ip6-localhost be optional. However, the distinction is not likely to be visible to most end users anyway so it shouldn't matter too much. Anyone configuring an app to bind to 'localhost' explicitly should probably already be aware of what their system (or local DNS) considers 'localhost' to be and whether the local apps that are talking to each other can do so over IPv6 vs IPv4. ---------------------------------------------------------------->8 No other comments where received (yet) to this though. Greets, Jeroen
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