In your letter dated Wed, 26 Aug 2015 15:07:50 +0200 you wrote: >On Wed, Aug 26, 2015 at 2:31 PM, Juliusz Chroboczek ><[email protected]> wrote: >> What I'm saying is that neither DHCPv4 nor IPv6 RA are designed to deal >> with prefixes that last less than a few hours. See for example RFC 4862 >> Section 5.5.3 paragraph e2. (That's just an example, there are other >> reasons why yo-yo RAs are a bad idea.) >> >> Short-term reachability indications are sent to hosts in a reactive manner, >> using ICMP unreachables. If any applications are unable to do the right >> thing with ICMP unreachables, we should fix the applications. > >I am not aware of any application doing anything more than "try to >open the connection again". > >How do you propose the application to react? Most applications leave >the source-IP selection to the operation system... > >does any OS currently change the preference order of IPv6 source >prefixes when it gets ICMP unreachable messages?
I never bothered to automate, but I regularly switch prefixes by changing the preference times in RAs. That works very well. Linking general ICMP unreachable messages to a source prefix sounds very hard to me. _______________________________________________ homenet mailing list [email protected] https://www.ietf.org/mailman/listinfo/homenet
