[ih] IPv8...

[John Kristoff]

On Tue, 21 Apr 2026 13:04:28 -0700
Jack Haverty via Internet-history <internet-history at elists.isoc.org>
wrote:

> 1) IP-level multicast (perhaps no longer in use or supported by the
> IP infrastructure?  But if so, was it deemed too difficult, or just a
> case of lost interest?)

In my view, at least for inter-domain IP multicast, it was deemed too
difficult and ultimately not worthwhile given the alternatives.

One big challenge I think too often overlooked is the security risks
the model presented. It can be summarized this way: without a lot of
complex mitigation, local or remote hosts end hosts can instantiate
state entries in network bridges/switches and routers.  To avoid a
variety of (D)DoS threats, lots of imperfect and hard-to-manage limits,
filters, and config options needed to be set.

John