On Wed, Oct 21, 2009 at 11:47 AM, Alex Balashov <abalashov at evaristesys.com> wrote: [cut]
It's certainly shorter. ?The issue is that it takes more effort and time mentally to compute contiguity, subnet boundaries, etc. because the numbers involved are not base 10.
subnetting in v6 follows pretty simple boundaries (should be viewed in a fixed-width font): /16 /32 /48 /64 /80 /96 /112 v v v v v v v 2001:aaaa:bbbb:cccc:dddd:eeee:ffff:1111 some other useful information: http://digitalfreaks.org/~lavalamp/CIDR6.html http://www.ripe.net/info/info-services/addressing.html http://nanog.org/meetings/nanog47/presentations/Wednesday/Hughes_Kosters_fun... my employer primarily uses sonus...ipv6 isn't something that they are planning to add for perhaps a few years (most days i'm not sure they can even do ipv4 correctly). my network kit is currently cisco and v6 is inconsistent ("why do you want v6, are you out of addresses?"). vote with your money, if your vendor won't/can't get good v6 support in hardware (not a software hack), find someone who will. /joshua -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. - Douglas Adams -