7 Dec
2004
7 Dec
'04
6:03 a.m.
*The only thing that I never understood is what the
hell did
Cisco mean
by multicast or broadcast on a point-to-point link. I guess
it dates from
the days before people realised that a point-to-point link is
not a network
Well there certainly were non-point-to-point synch implementations
around: DEC DDCMP supports multi-drop links.
(no ARP, etc.) and does not need to burn up a
net/subnet
number, and people
would map a net number (hopefully a /30 subnet) to each
point-to-point link.
There's an RFC around somewhere that allows for /31 subnets
for such purposes (.1 and .0 being allowed as the two ends).
No idea if it ever caught on though.
Antonio
--
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Antonio Carlini arcarlini(a)iee.org