nanog mailing list archives
RE: Start accepting longer prefixes as IPv4 depletes?
From: "George Bonser" <gbonser () seven com>
Date: Wed, 8 Dec 2010 12:18:32 -0800
How many networks already leak numerous unnecessary /24s to their transit providers, who accept them (not having been asked to do anything else), and contribute to table bloat? Quite a lot of networks do this.
Sure. Even as a prophylactic measure against route hijacking if they aren't using the space for internet routed purposes (company uses a prefix internally, say for VPNs, addresses in the prefixes aren't reachable over the Internet but they announce it anyway to discourage the block being used by someone else or to ensure that wayward traffic finds a home and can be logged for correcting misconfigured VPNs).
I would hate to see all those accidental announcements suddenly appear in my routing table; or for my transit providers to have the bear the expense of dealing with them.
The probability of service-impacting accidents would definitely increase.
Current thread:
- Re: Start accepting longer prefixes as IPv4 depletes?, (continued)
- Re: Start accepting longer prefixes as IPv4 depletes? Owen DeLong (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? James Hess (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? Owen DeLong (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? Jack Bates (Dec 09)
- Re: Start accepting longer prefixes as IPv4 depletes? Iljitsch van Beijnum (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? Loránd Jakab (Dec 09)
- Re: Start accepting longer prefixes as IPv4 depletes? Graham Beneke (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? Leo Bicknell (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? David Conrad (Dec 08)
- Message not available
- Start accepting longer prefixes as IPv4 depletes? Jeff Wheeler (Dec 08)
- RE: Start accepting longer prefixes as IPv4 depletes? George Bonser (Dec 08)
- Start accepting longer prefixes as IPv4 depletes? Jeff Wheeler (Dec 08)
- Re: Start accepting longer prefixes as IPv4 depletes? Robert Bonomi (Dec 10)
- Re: Start accepting longer prefixes as IPv4 depletes? Luigi Iannone (Dec 10)