> What is the motivation for adding support for these RFCs? Is the push > from a company or academia (e.g., a CS project)?
Yes, these patches (RFC 8335 and 5837) were produced as a result of a collaboration between Juniper Networks and Harvey Mudd College. Let me loop in our advisor, Zach Dodds, and Juniper Networks engineer Ron Bonica. I believe Ron has more context on the potential usage and existing support for these two features. > On Mar 20, 2021, at 1:35 PM, David Ahern <dsah...@gmail.com> wrote: > > On 3/19/21 10:24 PM, David Ahern wrote: >> At the end of the day, what is the value of this feature vs the other >> ICMP probing set? > > Merging the conversations about both of these RFCs since my comments and > questions are the same for both. > > What is the motivation for adding support for these RFCs? Is the push > from a company or academia (e.g., a CS project)? > > Realistically, who is expected to use this feature and why given the > information it leaks about the networking configuration of the node. Why > is this tool expected to be more useful than a network operator using > existing protocols like lldp, collecting that data across nodes and > analyzing, or using tools like suzieq[1]? > > RFC 5837 has been out for 11 years. Do any operating systems support it > — e.g., networking vendors like Cisco, Juniper, etc.? If not, why not? > This one seems to me the most dubious at this point in time. > > Similarly for RFC 8335, what is the current support for it? > > Linux does not need to support an RFC just because it exists. I am > really questioning the value of both of them > > [1] https://github.com/netenglabs/suzieq