Re: [Int-area] draft-chroboczek-intarea-v4-via-v6 - "IPv4 routes with an IPv6 next hop"

2024-01-23 Thread Joe Abley
On 22 Jan 2024, at 15:40, Warren Kumari wrote: > So, if this already works, why are we writing a document?! I wandered into that document expecting to find an heretical inference that control messages were not important for some reason which would have made me a bit animated, but as it turns o

Re: [Int-area] [EXTERNAL] Re: draft-chroboczek-intarea-v4-via-v6 - "IPv4 routes with an IPv6 next hop"

2024-01-23 Thread Behcet Sarikaya
On Mon, Jan 22, 2024 at 2:23 PM Warren Kumari wrote: > > > > > On Mon, Jan 22, 2024 at 12:08 PM, Herbie Robinson < > herbie.robin...@stratus.com> 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 o

Re: [Int-area] draft-chroboczek-intarea-v4-via-v6 - "IPv4 routes with an IPv6 next hop"

2024-01-23 Thread John Gilmore
Warren Kumari wrote: > This isn't yet another "let's rewrite part of the header and override > some bits", nor some new protocol / tunneling thing. It simply notes > that routers only need to determine the outgoing interface (and > usually MAC address) for a packet, and so it's perfectly acceptabl

Re: [Int-area] draft-chroboczek-intarea-v4-via-v6

2024-01-23 Thread John Gilmore
The draft seems entirely too focused on the guts of the per-packet routing decision. This misses the system-wide implications of the proposal. The draft treats IPv4 and IPv6 as symmetric and equal, such that you could route packets for either or both, over a network that support just one. So I s

Re: [Int-area] draft-chroboczek-intarea-v4-via-v6 - "IPv4 routes with an IPv6 next hop"

2024-01-23 Thread Ole Troan
Thanks for writing this down! Wonder what it would take for a host to do router discovery using a different AF. Achieving the equivalent of "ip route add 0.0.0.0/0 via inet6 fe80::1 dev eth0” O. > On 22 Jan 2024, at 15:39, Warren Kumari wrote: > > Hi there all, > > I discovered that I'd som