> On Dec 4, 2018, at 7:00 PM, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: > >> On 2018-12-05 14:18, Joe Touch wrote: >> >> >>> On Dec 4, 2018, at 4:56 PM, Brian E Carpenter <brian.e.carpenter@xxxxxxxxx> wrote: >>> >>> Yes. But extension headers were explicitly defined to be from end system >>> to end system, not for middleboxes. So that difficulty was designed in. >> >> Not HBH ones... > > Indeed, which is why RFC 7045 changed the requirement. > > Brian Except it didn’t. The bits are still there in 8200 and 7045 never deprecated their meaning. Joe
