Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Jerry Pasker
if the ipv6 routing table ever gets as large as the ipv4 routing table is today (late 2004 if you're going to quote me later), we'll be in deep doo. -- Paul Vixie "Nut-uh!" *WHEN* the ipv6 routing table gets as large as the ipv4 routing table is today (late 2004, when you quote me later) it won't

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread william(at)elan.net
On 21 Nov 2004, Paul Vixie wrote: > if the ipv6 routing table ever gets as large as the ipv4 routing table is > today (late 2004 if you're going to quote me later), we'll be in deep doo. s/if/when/ There some hope though that by that time routers will have slightly more memory and slightly b

Re: Diffserv service classes

2004-11-20 Thread Sean Donelan
On Sat, 20 Nov 2004, Vicky wrote: > interesting read at: > http://qbone.internet2.edu/papers/non-architectural-problems.txt There is a long history of problems. But Internet2 also shows a success for Diffserv, namely there is demand for a "worse" effort. Are a dozen differnt classes useful to a

RE: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread David Schwartz
> what the world is short of is routing table > slots, each of > which adds universal cost to the internet for the sole benefit of > the owner > of the network thus made reachable. I see this point made often, and I've never understood it. If carrying a route only benefits the party that

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Paul Vixie
> >... all oldtimers are skewed. ... > Here is a possible multi level solution for end sites and non /32 > qualifiers: > ... > - Sites that multihome 4 ways or more get a PI /40 > - Large sites with more than X devices get a PI /40 if at least > (dual|triple)homed to avoid massive renumbering

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Paul Vixie
> It seems easier to try to back-port SCTP's multihoming features to TCP > somehow than to deploy an entirely new transport protocol. It's > unfortunate this wasn't addressed at the time IPng was being designed. this was tried. there was almost going to be a "TCP6" which was capable of signalli

RE: Stupid Ipv6

2004-11-20 Thread Scott Morris
While the concept of classes has changed, I'm not so sure that I agree with the complaint here... Everything I've seen about the multi TLA/SLA concepts always seem to leave 64 bits at the end for the actual host address, so it would be a logical step at that point to have the ASICs spun so that 6

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Stephen Sprunk
Thus spake "Barney Wolff" <[EMAIL PROTECTED]> Perhaps it is time to replace TCP with SCTP, where multihoming is not incompatible with PA addressing. If done as a socket shim, so applications don't have to be aware of it unless they want to be, it would appear to solve all of these problems. How

Re: Stupid Ipv6

2004-11-20 Thread bmanning
> Just to introduce a touch of practicality to this discussion, it might > be worth noting that Cisco and Juniper took the RFC stating that the > smallest subnet assignments would be a /64 seriously and the ASICs only > route on 64 bits. I suspect that they influenced the spec in this area as > ex

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Owen DeLong
Alex, I am aware of how telcos work in general, and, in some detail in the united States. I also agree with most of what you said. However, consider that somehow, they have scaled this to many many more customers than the total number of internet subscribers. There must be something for us to le

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Owen DeLong
And don't forget that you still have to change your phone number when you move a great enough distance. In IP we somehow feel it's important that there are no geographical constraint on address use at all. That's a shame, because even if we aggregate by contintent that would save up to four times i

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Kevin Loch
Paul Vixie wrote: i think all oldtimers are skewed. growth in number of enterprises will be of the small kind where renumbering isn't so painful. exceptions where there is enough size to make renumbering painful won't overflow the routing table the way the ipv4 "swamp" threatened to do back in t

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Paul Vixie
> How much would it add to the pain of the v4-v6 transition, to just bite > the bullet and do tcp-sctp at the same time? I'd sure rather be a > network troubleshooter going through that than living with NAT forever. it's the delta between the finite and the infinite. sctp requires a flag day wh

Re: Stupid Ipv6 question...

2004-11-20 Thread Kevin Oberman
> Date: Fri, 19 Nov 2004 10:11:36 -0800 > From: Crist Clark <[EMAIL PROTECTED]> > Sender: [EMAIL PROTECTED] > > > Lars Erik Gullerud wrote: > > > On Fri, 2004-11-19 at 16:36, Stephen Sprunk wrote: > > > > > >>/127 prefixes are assumed for point-to-point links, and presumably an > >>organizat

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Brandon Butterworth
> > I've run into very few enterprises that know they'd even be allowed to > > join an IX, much less actually interested in doing so. Subject: Exchange Update - New Participant Date: Fri, 19 Nov 2004 15:49:59 -0800 Equinix would like to introduce the following peers to the GigE Exchange pee

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Barney Wolff
On Sat, Nov 20, 2004 at 08:45:34PM +, Paul Vixie wrote: > > the second. we'd have built a v6 bastion network and put our public > services there and done some kind of overlay thing. for things like my > desktop, we'd've stuck with ipv4, or we'd've pirated some "site local" ipv6 > space. th

Re: Diffserv service classes

2004-11-20 Thread Vicky
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 ietfreport is timing outhere's another url for this draft. http://www.ietf.org/internet-drafts/draft-baker-diffserv-basic-classes-04.txt interesting read at: http://qbone.internet2.edu/papers/non-architectural-problems.txt regards, /vicky Sean Donel

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Paul Vixie
> > the internet endpoint type trend is toward SOHO and dsl/cable, and the > > provider trend is toward gigantic multinational. companies who build > > their own networks tend to find that the cheapest interoffice backhaul > > is IP-in-IP VPN's. thus is the old model of a 1000-person company buy

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Stephen Sprunk
Thus spake "Iljitsch van Beijnum" <[EMAIL PROTECTED]> Why set up a separate registry system for these addresses instead of making minor changes to the existing one to accommodate this need? This is a good point. But rather than reuse the RIRs for this, we should reuse the domain registry system f

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Stephen Sprunk
Thus spake "Paul Vixie" <[EMAIL PROTECTED]> [EMAIL PROTECTED] ("Stephen Sprunk") writes: > isc is multihomed, so it's difficult to imagine what isp we could have > taken address space from then, or now. ... Some fear that you would more likely just generate a ULA, use that internally, and NAT at th

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Stephen Sprunk
Thus spake "Iljitsch van Beijnum" <[EMAIL PROTECTED]> On 19-nov-04, at 17:58, Stephen Sprunk wrote: Don't have "real connectivity"? I've personally worked with dozens of Fortune 500 companies that have internal FR/ATM networks that dwarf AT&T, UUnet, etc. in the number of sites connected. Thous

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread bmanning
> On Sat, Nov 20, 2004 at 12:58:17PM +0100, Iljitsch van Beijnum wrote: > > On 19-nov-04, at 17:58, Stephen Sprunk wrote: > >Don't have "real connectivity"? I've personally worked with dozens of > >Fortune 500 companies that have internal FR/ATM networks that dwarf > >AT&T, UUnet, etc. in the n

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Eric A. Hall
On 11/20/2004 8:18 AM, Alex Bligh wrote: > But I'm not sure you'd like it applied to the internet. Firstly, in > essence, PSTN uses static routes for interprovider routing (not quite true, > but nearly - if you add a new prefix everyone else has to build it into > their table on all switches). S

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Alex Bligh
--On 19 November 2004 09:40 -0800 Owen DeLong <[EMAIL PROTECTED]> wrote: If it were true, then I would have to renumber every time I changed telephone companies. I don't, so, obviously, there is some solution to this problem. But I'm not sure you'd like it applied to the internet. Firstly, in ess

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Iljitsch van Beijnum
On 19-nov-04, at 18:40, Owen DeLong wrote: Now I hate to be the bearer of bad news, but having unaggregatable globally routable address space just doesn't scale and there are no routing tricks that can make it scale, whatever you put in the IP version bits, so learn to love renumbering. This is p

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Iljitsch van Beijnum
On 19-nov-04, at 19:23, Owen DeLong wrote: There is no reason for RIRs to allocate addresses which would never be used on public networks. If the addresses are suppose to be unique, then, what is the reason NOT to have the RIRs allocate them? The reason is that the RIRs don't talk to end-users.

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Iljitsch van Beijnum
On 19-nov-04, at 18:50, Christian Kuhtz wrote: why would the enterprise care to switch to IPv6 in the first place? Because it's easier to build a big IPv6 network than to build a big IPv4 network. I think over the next few years we'll see people building IPv6 networks and then tunneling IPv4 over

Re: who gets a /32 [Re: IPV6 renumbering painless?]

2004-11-20 Thread Iljitsch van Beijnum
On 19-nov-04, at 17:58, Stephen Sprunk wrote: these organizations tend to have multiple sites (as you indicate above) but they generally do not have real connectivity between those sites. This means a single large prefix won't do them much good, and basically they're no different than a bunch of

Re: Stupid Ipv6 question...

2004-11-20 Thread Trent Lloyd
Hi Dan, I've got some slides from talks I've done, they cover this sortof stuff. You can see at http://www.sixlabs.org/talks/ Additionally, the size is 2^(128-prefixlen) [more or less] But you don't use all of them, obviously, it'd be fairly difficult, best part about a /64 is EUI-64 works (aut