nanog mailing list archives
Re: using "reserved" IPv6 space
From: Oliver <olipro () 8 c 9 b 0 7 4 0 1 0 0 2 ip6 arpa>
Date: Sat, 14 Jul 2012 21:49:48 +0200
On Saturday 14 July 2012 09:18:48 Owen DeLong wrote:
Given that zone_IDs in my environments consist of terms like: fxp0 en0 eth0 ge-0/0/0.0 etc. How, exactly, would you turn those into part of an IPv6 address?
UTF-8? ASCII? if you go with a custom encoding and do 0-9,a-z, plus a few symbols you can get 6 bits per char for a grand total of 10 chars squeezed into 8 octets.
Any other address class will work well, but I'd rather not use reserved space outside of GUA, ULA our LLA scopes to avoid bug-hunting on poorly implemented IPv6 stacks.+1 However, I still think GUA is the best, most flexible choice.
This brings up the question of "what is outside of LLA scope" - to my mind it's everything outside of fe80::/10 - in reality, there's that unfortunate tendency for it to be considered fe80::/64 when it comes down to implementation. Regards, Oliver
Current thread:
- Re: using "reserved" IPv6 space, (continued)
- Re: using "reserved" IPv6 space -Hammer- (Jul 13)
- Re: using "reserved" IPv6 space TJ (Jul 13)
- Re: using "reserved" IPv6 space Jean-Francois . TremblayING (Jul 13)
- Re: using "reserved" IPv6 space TJ (Jul 13)
- Re: using "reserved" IPv6 space Jean-Francois . TremblayING (Jul 13)
- Re: using "reserved" IPv6 space Jeroen Massar (Jul 13)
- Re: using "reserved" IPv6 space Owen DeLong (Jul 14)
- Re: using "reserved" IPv6 space Oliver (Jul 14)
- Re: using "reserved" IPv6 space Laurent GUERBY (Jul 14)
- Re: using "reserved" IPv6 space Owen DeLong (Jul 14)
- Re: using "reserved" IPv6 space Laurent GUERBY (Jul 15)
- Re: using "reserved" IPv6 space bmanning (Jul 15)
- Re: using "reserved" IPv6 space Owen DeLong (Jul 15)
- Re: using "reserved" IPv6 space Jeroen Massar (Jul 17)
- Re: using "reserved" IPv6 space Seth Mattinen (Jul 17)
- Re: using "reserved" IPv6 space Jeroen Massar (Jul 17)
- Re: using "reserved" IPv6 space Jeroen Massar (Jul 17)