當 ARIN 只剩下最後一個 /8 的 IPv4 位置時,將會啟動第四階段的發放機制,而昨天進入這個機制了:「ARIN Enters Phase Four of the IPv4 Countdown Plan」。
出自「ARIN IPv4 Countdown Plan」這頁。
目前的進度是:
- Phase One began in February 2011 when ARIN received its last /8 from IANA.
- Phase Two began in September 2012 when ARIN reached three remaining /8 equivalents.
- Phase Three began in August 2013 when ARIN reached two remaining /8 equivalents.
- Phase Four began in April 2014 when ARIN reached one remaining /8 equivalent.
不過 IPv6 的進展還是苦哈哈啊...
IPv6 的 deployment 還只能算是初步, IPv4 的 EOL / end-game-plan 先至係慢慢長路.....
否則 dual-stack 根本無助 IPv4 用完嘅問題