RE: Re: Lack of packets from other end
"Bora Akyol" <[email protected]>
| Newsgroups | gmane.ietf.mobike |
|---|---|
| Message-ID | <[email protected]> |
> > In fact, it would be *impossible* for the SG to recover from > it, because it has no other address for the peer in the case > that you mention above. The only question we have on the > table is whether an indication from the DPD causes a change > in the currently preferred address, > *if* the peer has previously indicated that it has several > addresses. Past practise (SCTP) and ongoing designs (HIP, > MULTI6) all have the approach where the preferred address > would be changed in a situation like that. > > (Another question would be whether the client or the SG needs > is responsible for detecting and correcting a choice. > I don't want to open that discussion yet, but in general I > like the client or the initiator to be responsible for as > much as possible, unless protocol symmetry requires > otherwise.) > > --Jari > > Jari, I think we are in agreement, I would like to keep the SG as simple as possible. It needs to have enough smarts to clean-up garbage state, but if the client has switched to an alternate address, I think it should __really__ let the SG know. We may need some logic to do Make-before-break type switch like is common on cell phone networks. Thanks Bora