Re: does mobike support end-to-end use of tunnel mode?
Francis Dupont <[email protected]> Sun, 05 Feb 2006 22:40:13 +0100
| Newsgroups | gmane.ietf.mobike |
|---|---|
| Message-ID | <[email protected]> |
In your previous mail you wrote: > Well... if you have host-to-host tunnel mode IPsec working in a > secure manner, MOBIKE could work as well. But this situation > is pretty rare. Clarifying question: for this case are you assuming that the inner and outer IP addresses for the tunnel must be different? => they may be different only. To use the two-space system terms, the inner address is an identifier and the outer is a locator. MOBIKE can only change the outer address because the inner one is a traffic selector. BTW MOBIKE can be extended to transport mode when handoffs don't imply a traffic selector change (I know at least two common cases of this). To come back to authorization: IPsec assumes an authorization about the content of traffic selectors, so about inner addresses. It is used in the MIPv6/NEMO context. Regards [email protected] PS: I'll see further messages of this thread.