I think this draft is a good idea and I'd like to see it progress. Doing this in Babel worked quite well, and I agree that it makes sense to generalize it.
On the topic of source addresses for ICMPv4, I quite liked the Babel solution in RFC 9229 (use any routable v4 address if you have one, otherwise 192.0.0.8). I'd assume that this solution is good enough in practice. Do we have some deployment experience suggesting otherwise? David On Mon, Jan 22, 2024 at 2:31 PM Robinson, Herbie <Herbie.Robinson= [email protected]> wrote: > In many cases, the whole point of using ping and traceroute is to verify > that the entire route between nodes works. The PROBE approach doesn’t > provide all of the needed functionality. > > > > *From:* Warren Kumari <[email protected]> > *Sent:* Monday, January 22, 2024 3:23 PM > *To:* Robinson, Herbie <[email protected]>; Bill Fenner < > [email protected]> > *Cc:* Internet Area <[email protected]> > *Subject:* RE: [EXTERNAL] Re: [Int-area] > draft-chroboczek-intarea-v4-via-v6 - "IPv4 routes with an IPv6 next hop" > > > ------------------------------ > > > > On Mon, Jan 22, 2024 at 12:08 PM, Herbie Robinson < > [email protected]> wrote: > > I think the ICMP problem needs to be addressed. Perhaps with an IPv4 > option to embed the identity of the router (IPv6 address or some other way > to identify the owner). One of the main purposes of traceroute is to > identify the router that is dropping packets. It will not be helpful if > all the routers have the same name. > > Yup. Fully agreed. > > > > Bill Fenner is actually working on a solution to this, and so I've taken > the liberty of adding him to the CC list… > > > > Bill and Jen Linkova had also suggested something based on the approach > used in RFC8335 - "PROBE: A Utility for Probing Interfaces" > <https://datatracker.ietf.org/doc/rfc8335> , and Bill is also working on > an update (draft-fenner-int-probe-clarification - "PROBE: A Utility for > Probing Interfaces" > <https://datatracker.ietf.org/doc/draft-fenner-int-probe-clarification> ). > > > > Just to confirm, this is: > > > > https://datatracker.ietf.org/doc/draft-chroboczek-int-v4-via-v6/ > <https://protect-us.mimecast.com/s/VDvBCOY6RYt2ZpXWcvIT2O/> > > > > currently at -02. Correct? > > > > > _______________________________________________ > Int-area mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/int-area >
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