Alex, > but to improve the layers below IP such as to have IP run unmodified.
In the general case that is impossible, because the SDO that develops the lower layer isn't interested. If the lower layer is intrinsically NBMA then for sure ARP or ND+DAD will not work as designed. If the lower layer doesn't support a physical MTU of at least 1280 IPv6 will not work as designed. So in the general case both an adaptation layer and an NBMA solution are required. And as you know, there are other "Ethernet" assumptions that don't apply in a low-power wireless scenario. Of course the goal is "IP over Everything" but that isn't the same as "Everything must be like Ethernet", which you seem to imply. In fact when you read draft-baccelli-manet-multihop-communication (and imagine what its security section will say when it's been written), I think the conclusion is that a great many things have to change, not in the IP packet format, but in the ecosystem currently provided by ARP/DHCP or RA/ND/DAD/SLAAC/DHCPv6. Brian _______________________________________________ Int-area mailing list [email protected] https://www.ietf.org/mailman/listinfo/int-area
