Search RPD Archives
[AfriNIC-rpd] Re: Proposal: Reclamation of allocated but unrouted IPv4 addresses.
Mark Elkins
mje at posix.co.za
Thu Feb 10 07:11:16 UTC 2011
On Wed, 2011-02-09 at 20:04 +0200, Andrew Alston wrote:
> Hi Jackson
>
>
>
> On 2011/02/09 7:41 PM, "Jackson Muthili" <jacksonmuthi at gmail.com> wrote:
>
> > Andrew,
> >
> > On Wed, Feb 9, 2011 at 7:21 PM, Andrew Alston <aa at tenet.ac.za> wrote:
> >>
> >> I have concerns about this policy, since as has been stated in various other
> >> discussion forums, there are several reasons to have so called "live"
> >> (non-rfc1918) space that is not announced in the routing tables but is
> >> actively in use.
> >
> > Correct. IXPs are one exception. I am willing to accommodate other
> > similar cases in the proposal.
> >
> I can think of a LOT of exceptions. Take for example the following (and I
> admit this is a very specific example, but it highlights the issue)
>
> An ISP is running an IRC server, the server has two interfaces, one globally
> routable for uplinking to the IRC network in question. One that is ONLY
> announced to national transits that is the "client" interface and that is
> actually visible. This is done to avoid any form of denial of service
> attack against a commonly attacked service. The IP space assigned to that
> "client" segment is DELIBERATELY not announced globally and never will be.
I actually do this with some address space for a particular IRC Network.
Before I did this - my ISP was badly hit by a DDOS.
> To accommodate this type of behavior on a case by case basis is going to be
> very difficult, and to attempt to do this narrowly to specific applications
> would amount to dictating what an ISP can do with their space with regards
> to their routing. The policy would need to be modified to state that
> limited announcement within a geographic area is permissible irrespective of
> the reason for it, as it is not up to the RIR to dictate those cases where
> it is or is not allowed to their client base.
>
> >> Also, at which point are you evaluating the routing tables? I can point to
> >> several instances where space is "partially" announced (within a geographic
> >> area, yet not propagated globally). The space is completely valid and being
> >> utilized, but factors preclude its global announcement.
> >
> > That is why time from issue to announcement has been defined.
> >
> The timing is not at issue there, there are many cases where this is a
> permanent situation.
>
> >> This proposal also makes no provision for the handling of so called legacy
> >> address segments, which would have to be dealt with as a separate issue.
> >
> > It handles legacy IPv4.
> > 2.1 - 2.4 clauses cover for these scenario.
> > Those are in fact the key targets for the proposal.
>
> I have a major problem with this. Legacy allocations were issued before the
> RIR's were ever created, and were not bound by the policies that govern the
> current RIR's. As such, while the RIR's do control such services as the
> whois, I believe it would be extremely problematic to attempt to force
> impose policies on the holders such space. This has been the subject of
> much discussion recently on the nanog lists as well.
>
> >
> > Cheers
> > Jack
Jack - is this policy being sent to all RIR's or just AfriNIC.
Where are you geographically based?
Are you proposing this policy on behalf of someone else or a particular
entity or is this your own idea?
> _______________________________________________
> rpd mailing list
> rpd at afrinic.net
> https://lists.afrinic.net/mailman/listinfo.cgi/rpd
--
. . ___. .__ Posix Systems - Sth Africa
/| /| / /__ mje at posix.co.za - Mark J Elkins, Cisco CCIE
/ |/ |ARK \_/ /__ LKINS Tel: +27 12 807 0590 Cell: +27 82 601 0496
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/x-pkcs7-signature
Size: 4490 bytes
Desc: not available
URL: <https://lists.afrinic.net/pipermail/rpd/attachments/20110210/b2b04506/attachment.bin>
More information about the RPD
mailing list