Re:Matter – Protocol to connect compatible devices and syste...
by duckmysick on Wednesday October 05, 2022 @02:51AM
(#33092128)
In the next sentence it says "requirement".
Confusingly, in legal terms "may" can also indicate a mandatory provision, depending on the context. https://www.law.cornell.edu/wex/may
May implies it is up to the manufacture is internet (i.e globally routable IPv6 infrastructure) if required or not.