Re: Newbie Question about addressing impacts
marcelo bagnulo braun <[email protected]>
| Newsgroups | gmane.ietf.multi6 |
|---|---|
| Message-ID | <[email protected]> |
El 13/08/2004, a las 11:29, Tony Li escribió: >> I repeat my comment from when I first saw Mike O'Dell's original 8+8 >> proposal: "It's architected NAT." I think anything that massages >> locators, >> whether it's in the host stack or in a proxy, comes down to >> architected >> NAT. Which means there is going to be state, so that the massage can >> be >> reversed, so that the ULP always sees the same e2e identifier. It's a >> design choice whether that state is in hosts, proxies, or both. >> >> Actually, we're kidding ourselves if we don't admit that this is what >> we are going to end up doing. >> > > > I think that it is vitally important that we all understand this and > how we got here. If we want a host to respond flexibly to > multiple addresses, then either (a) the protocol stack needs to know > about > the various addresses and can swap between them on the fly, OR > (b) something NATty outside of the protocol stack has to "fool" the > protocol > stack into responding consistently. > > Years ago, we rejected (a) on the grounds that it would change IPv6. > Well, my understanding is that this is still a valid approach to the problem, and i didn't get the feeling that we have rejected it (at least since i am in this wg), so, may i ask why did you reject this approach? > Folks who want to reject (b) now need to understand that they will be > rejecting > the entire solution space... > Yes, FWIW, i agree that these are the two options regards, marcelo > Tony > >