Re: stupid nat tricks (was Re: UPNP )

2003-06-25 Thread Keith Moore
> > no, that would be *really* ugly. because then you'd expect the > > NAT box to know how to intercept every application you'd want > > to use, despite the fact that those applications are evolving > > and the set of those apps is changing constantly. so you'd have > > to upgrade your NAT every t

SRV (was Re: UPNP was :RE: myth ...)

2003-06-25 Thread Keith Moore
> >use of SRV records for apps that aren't specified to use them is a > >violation of both those apps' protocols and the SRV specification. > > > > > Agreed. But it's an option for people who need to build new apps to > kludge around NATs. presuming, of course, that the app only needs to commu

RE: stupid nat tricks (was Re: UPNP )

2003-06-25 Thread Michel Py
> what you propose would make every app NAT-sensitive, and > increase the rate of failures due to intermediaries that > intercept protocol interactions and botch them. You do have a point here. Stupid idea it was. Michel.

RE: stupid nat tricks (was Re: UPNP )

2003-06-25 Thread Michel Py
] Michel Py wrote: ] But what would be _really_ cool is if you could do this: ] Server1: 192.168.1.10:80 <-> x.y.z.t:80 ] Server2: 192.168.1.11:80 <-> x.y.z.t:80 ] Server3: 192.168.1.12:80 <-> x.y.z.t:80 ] ** and ** have the UPNP box select the proper NAT association ] based on the requests. > Kei

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Pekka Savola
On Wed, 25 Jun 2003, Yakov Rekhter wrote: > > > From your message, I can't tell which of those, or of any number of other > > > possible objections, is the basis of your objection. > > > > > > BTW - all these things were already being worked on in PPVPN. Some were > > > even described in the cha

Re: Layering purity Re: WG review: Layer 2 Virtual Private Networks(l2vpn)

2003-06-25 Thread Pekka Savola
On Thu, 19 Jun 2003, grenville armitage wrote: > Pekka Savola wrote: > [..] > > Moreover, we work on an IP layer. We enable IP layer to be able to handle > > our tasks. If there is some problem why we cannot just use different IP > > subnets between the two (or multiple) end-points, we need

RE: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Randy, > > "We're doing it" is a statement of fact. However, we've been > > doing it for over two years. Pseudo-wire work has been ongoing > > for over 4 years. MPLS has been ongoing since 1996 or > > thereabouts. > > no disagreement. the question i am hearing is not why is this > being don

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Pekka, [clipped...] > > From your message, I can't tell which of those, or of any number of other > > possible objections, is the basis of your objection. > > > > BTW - all these things were already being worked on in PPVPN. Some were > > even described in the charter. > > Fair question, I pr

Re: UPNP was:RE: myth of the great transition (was US DefenseDepartment forma lly adopts IPv6)

2003-06-25 Thread Keith Moore
] >That's were the coolness is; no stinkin' port number. ] > ] > ] You could publish URLs without port numbers if you could count on the ] cliens recognizing SRV records. but you can't, because this would break interoperability with the vast majority of existing protocols; it also would not wor

Re: UPNP was:RE: myth of the great transition (was US Defense Departmentforma lly adopts IPv6)

2003-06-25 Thread John Stracke
Keith Moore wrote: ] You could publish URLs without port numbers if you could count on the ] cliens recognizing SRV records. use of SRV records for apps that aren't specified to use them is a violation of both those apps' protocols and the SRV specification. Agreed. But it's an option for pe

stupid nat tricks (was Re: UPNP )

2003-06-25 Thread Keith Moore
] But what would be _really_ cool is if you could do this: ] ] Server1: 192.168.1.10:80 <-> x.y.z.t:80 ] Server2: 192.168.1.11:80 <-> x.y.z.t:80 ] Server3: 192.168.1.12:80 <-> x.y.z.t:80 ] ** and ** have the UPNP box select the proper NAT association based on ] the requests. no, that would be *re

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Melinda, > > Primarily, folks want to use it as in > > "Ethernet-over-MPLS". That may not necessarily go down > > well with you either, but think of MPLS as a logical FR. > > I think we need to retain a focus on connectionless, > packet-oriented delivery and how to build on that. What makes y

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Vernon Schryver
> From: Yakov Rekhter <[EMAIL PROTECTED]> > ... > In the rather arrogant terms of internet engineering, the IESG is by > definition the set of people that are "clueless". It is not possible > for it to be the other way around. No matter how wise and inteligent > IESG memebers are... > > It is nece

Re: UPNP was:RE: myth of the great transition (was US Defense Departmentforma lly adopts IPv6)

2003-06-25 Thread John Stracke
Michel Py wrote: In DNS you publish: x.y.z.t server1.example.com x.y.z.t server2.example.com x.y.z.t server3.example.com [...] That's were the coolness is; no stinkin' port number. You could publish URLs without port numbers if you could count on the clients recognizing SRV records. -- /=

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Paul, > At 10:15 AM +0200 6/18/03, Harald Tveit Alvestrand wrote: > >I can think of some possible reasons, not necessarily exclusive > > > >- this is a bad idea/impossible to do well, so we shouldn't do it > >- some other organization is already doing it, so we shouldn't > >- we're too stupid to g

UPNP was:RE: myth of the great transition (was US Defense Department forma lly adopts IPv6)

2003-06-25 Thread Michel Py
Christian, > Christian Huitema wrote: > I don't quite get the point on the handling of > incoming connections The way I understand UPNP is that it will allow the automation (meaning, no manual config of the NAPT box) of: Server1: 192.168.1.10:80 <-> x.y.z.t:81 Server2: 192.168.1.11:80 <-> x.y.z

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Paul, > At 10:15 AM +0200 6/18/03, Harald Tveit Alvestrand wrote: > >I can think of some possible reasons, not necessarily exclusive > > > >- this is a bad idea/impossible to do well, so we shouldn't do it > >- some other organization is already doing it, so we shouldn't > >- we're too stupid to g

Re: WG review: Layer 2 Virtual Private Networks (l2vpn)

2003-06-25 Thread Yakov Rekhter
Paul, > >Alternatively, we can own up that it is OUR problem, i.e., the IETF, and if > >we want a solution, we will create one here. > > If we decide that "the problem" is one in our realm, I fully agree. > But transporting layer 2 stuff over IP is not a problem that affects > the Internet. It