RFC 381 (rfc381) - Page 3 of 4
Three aids to improved network operation
Alternative Format: Original Text Document
RFC 381 Three Aids To Improved Network Operation 26 July 1972
4 NOF Same
5 RFNM Same
6 Link Table Full Unassigned
7 Destination Dead Destination Dead
Bit 32=0 - the destination
IMP is dead, or cannot be
reached, or does not exist
Bit 32=1 - the destination
Host is dead or does not
exist
8 Error with identi- Error in Data of Host-to IMP
fication Message
IMP's error flip-flop set
on the data bits of a Host-
to-IMP message identified
by the given source and link
9 Incomplete Transmission Incomplete Transmission
Bits 31,32=00 - the destination
Host did not take the message
for a long time
Bits 31,32=01 - Host-to-IMP
message too long (more
than 8095 bits)
Bits 31,32=10 - Host-to IMP
message too slow. The
last message took more
than 15 secs. between
the first bit and the
last bit, and was discarded
Bits 31,32=11 - Host-to-
IMP message lost in the
subnet
Mc Quillan, et. al.