From craig Fri Nov 20 09:24:10 1998
Fri, 20 Nov 1998 09:23:17 +1300
From: Chris Wedgwood <chris(a)cybernet.co.nz>
To: Craig Anderson <craig(a)laptop.iprolink.co.nz.>z.>, don(a)daedalus.co.nz
Subject: Re: legal issues, courts etc
I don't think that makes routing faster or easier, it just makes life
easier for people when bad things might otherwise happen.
Dampening was introduced to mitigate the effects (like 100% CPU load)
route flapping had on hardware resources. Things like cache
invalidation caused by route flaps certainly directly affect routing
But you beleive that any /24 route should be
portable in most circumstances?
Not at all. /24's where ownership is rightly assumed and where the /24
is in a block where the minimum allocation size was /24. For the
NZGATE addresses we are asking that the minimum allocation size be
recognised as /24.
People should consider the effects of dampening and route flaps as part
of the picture here as well as the simple boolean "Can I get my /24 into
the backbone tables?"
While the answer may be a simplistic 'yes', if a /24 flaps my
understanding is that this may be penalised more heavily for dampening
than prefixes of /19 or less. Where that is the case then an isolated
/24 is a less desirable address block than address space contained in a
Mailto:Andy.Linton@netlink.net.nz Tel: +64 4 494 6162
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