RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-03 Thread Tony Finch
On Mon, 1 Dec 2008, Christian Huitema wrote: > > have we seriously consider flat host based routing in a corporate > network? A combination of DHT and caching technologies ought to make > that quite scalable. http://100x100network.org/papers/myers-hotnets2004.pdf "Rethinking the Service Model: Sca

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-02 Thread Fred Baker
On Dec 1, 2008, at 10:41 PM, Christian Huitema wrote: Actually, rather than tunneling, have we seriously consider flat host based routing in a corporate network? A combination of DHT and caching technologies ought to make that quite scalable. We built a number of networks like those in the

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-02 Thread Fred Baker
you might take a look at he nat66 document and the behave IPv4/IPv6 documents. they're pretty different. On Dec 1, 2008, at 7:07 PM, Christian Huitema wrote: Of course, Iljitsch points an interesting issue. If NAT66 behaves exactly like, say, NAT 64, then why would the organization bother to

RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-02 Thread Christian Huitema
> > Actually, rather than tunneling, have we seriously consider flat host > > based routing in a corporate network? A combination of DHT and > > caching technologies ought to make that quite scalable. > > I've used large, flat networks, and lived to regret it Do we have a documentation somewhe

RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-02 Thread Tony Hain
Christian Huitema wrote: > > I'm not sure I believe in the need for topology hiding. But if I > did, > > on v6 I'd just allocate a separate subnet or group of subnets for > > external access. If really necessary, have such hosts set up IP over > > IP or L2TP tunnels to a concentrator; that will m

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-02 Thread Steven M. Bellovin
On Mon, 1 Dec 2008 22:41:37 -0800 Christian Huitema <[EMAIL PROTECTED]> wrote: > Actually, rather than tunneling, have we seriously consider flat host > based routing in a corporate network? A combination of DHT and > caching technologies ought to make that quite scalable. I've used large, flat n

RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-01 Thread Christian Huitema
> I'm not sure I believe in the need for topology hiding. But if I did, > on v6 I'd just allocate a separate subnet or group of subnets for > external access. If really necessary, have such hosts set up IP over > IP or L2TP tunnels to a concentrator; that will make this external > access net look

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-01 Thread Steven M. Bellovin
On Mon, 1 Dec 2008 19:07:35 -0800 Christian Huitema <[EMAIL PROTECTED]> wrote: > GSE/8+8 also does not achieve topology hiding, not if the mapping > between internal and external /64 is a one-one. Of course, you could > smash multiple internal subnets to a single /64 external view, but > then you

RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-01 Thread Christian Huitema
> > GSE/8+8 gives us the ability to manage the addresses we exchange in > > routing down to a number of prefixes on the order of (eg equivalent > > to a small multiple of) the number of autonomous systems. > > Not really. Or rather, it will, at the following costs: > > - all IPv6 implementations mu

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-01 Thread Iljitsch van Beijnum
On 1 dec 2008, at 10:21, Fred Baker wrote: GSE/8+8 gives us the ability to manage the addresses we exchange in routing down to a number of prefixes on the order of (eg equivalent to a small multiple of) the number of autonomous systems. Not really. Or rather, it will, at the following costs

Re: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-12-01 Thread Fred Baker
I'll repeat what said in behave a few days ago. I think this capability actually gives the e2e guys (whom I count myself among) 99% of what they are looking for while giving rrg-etc, which is to say "the ISPs", 99% of what they're looking for. GSE/8+8 gives us the ability to manage the add

RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers

2008-11-28 Thread Hallam-Baker, Phillip
end is more important. -Original Message- From: [EMAIL PROTECTED] on behalf of Tony Hain Sent: Wed 11/26/2008 6:16 PM To: 'David Morris' Cc: 'IETF Discussion' Subject: RE: [BEHAVE] Lack of need for 66nat : Long term impactto applicationdevelopers D