4 Feb
2019
4 Feb
'19
10:13 p.m.
On Feb 4, 2019, at 12:29 PM, Noel Chiappa <jnc(a)mercury.lcs.mit.edu> wrote:
Xerox Network System (XNS) also had this property. A node had a
unique 48 bit address and each network had a unique 32 bit address.
Absolute host numbering meant you could move a host to another
network easily. IDP packet layout:
{checksum(2), length(2),
transport ctl(1), packet type(1),
dst net(4), dst host(6), dst socket(2),
src net(4), src host(6), src socket(2),
transport data(0 to 456), pad(0 to 1 byte)
}
IDP is @layer 3, same as IPv4 or IPv6.
From: Grant Taylor
I'm not quite sure what you mean by naming a
node vs network interface.
Does one name (in the generic high-level sense of the term 'name'; e.g. an
'address' is a name for a unit of main memory) apply to the node (host) no
matter how many interfaces it has, or where it is/moves in the network? If so,
that name names the node. If not...