nanog mailing list archives
Re: v6 subnet size for DSL & leased line customers
From: Vinny Abello <vinny () tellurian com>
Date: Wed, 02 Jan 2008 13:53:18 -0500
Donald Stahl wrote:
in real life; people still find it necessary to carve up their aggregates and announce more-specifics in strategic directions. I would suggest that not *all* observed instances of such deaggregation are due to operator ignoranceThere's a big difference between deaggregating a couple of bits for TE purposes and announcing 64 /24's from your /18 :) We need to decide what's acceptable as a community and then enforce it as a community. If someone starts announcing dozens of prefixes in v6 then they get blocked they either get blocked or they get a filter that restricts them to their covering route (or blocks them if they don't have it).
On this note: In the v6 world when multihoming, what size network block is the minimum recommended allocation? In the v4 Internet, most major networks I've seen do not accept anything longer than /24 and this is what is allocated to customers with their own AS when multihoming regardless of the usage of the /24. I'm just curious if this is currently outlined somewhere already as what was decided. Are we going to see /64's, /56's or /48's polluting the v6 routing table just as /24's are today on the v4 table? I understand most of that pollution is not because of multihoming, but rather TE or negligence/lack of clue. With the advent of 32 bit ASN's, this could possibly become a concern however... that and people trying to do TE with their v6 space as they did with v4. I agree with the above reply that this needs to be ironed out as a community and was curious how multihoming customer networks fit into this equation. -- Vinny Abello Network Engineer vinny () tellurian com (973)940-6100 (NOC) PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0 E935 5325 FBCB 0100 977A Tellurian Networks - The Ultimate Internet Connection http://www.tellurian.com (888)TELLURIAN "There is no objective reality. Only that which is measured exists. We construct reality, and only in the moment of measurement or observation." -- Niels Bohr
Current thread:
- Re: v6 subnet size for DSL & leased line customers, (continued)
- Re: v6 subnet size for DSL & leased line customers Iljitsch van Beijnum (Jan 01)
- Re: v6 subnet size for DSL & leased line customers Mark Smith (Jan 01)
- Re: v6 subnet size for DSL & leased line customers Christopher Morrow (Jan 01)
- Re: v6 subnet size for DSL & leased line customers Mark Smith (Jan 02)
- Re: v6 subnet size for DSL & leased line customers sthaug (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Mark Smith (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Iljitsch van Beijnum (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Joe Abley (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Donald Stahl (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Donald Stahl (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Vinny Abello (Jan 02)
- RE: v6 subnet size for DSL & leased line customers Azinger, Marla (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Mark Smith (Jan 01)
- Re: v6 subnet size for DSL & leased line customers Iljitsch van Beijnum (Jan 01)
- Re: v6 subnet size for DSL & leased line customers Christopher Morrow (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Joe Abley (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Deepak Jain (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Simon Lyall (Jan 02)
- How to do sites when you have a distributed organization with no own network (Was: v6 subnet size for DSL & leased line customers) Jeroen Massar (Jan 03)
- Re: v6 subnet size for DSL & leased line customers Leo Vegoda (Jan 03)
- Re: v6 subnet size for DSL & leased line customers Stephen Sprunk (Jan 03)
- Re: v6 subnet size for DSL & leased line customers Iljitsch van Beijnum (Jan 02)
- Re: v6 subnet size for DSL & leased line customers Joe Abley (Jan 02)