10. A C
B
C o d a d i p a c c h e tti
in a tte s a d e l lin k
d i u s c ita
D E

16. → ≅

18. 3 2 b it
0 n e tid h o s tid
10 n e tid h o s tid
110 n e tid h o s tid
1110 in d ir izzi p e r m u ltic a s t
11111 r is e r v a ti p e r e s p e r im e n ti

25. ET HERNET
1 2 8 .1 0 .0 . 0
1 2 8 .1 0 .2 . 3 1 2 8 .1 0 .2 . 8 1 2 8 .1 0 .2 . 2 6
MERLIN G UENEVERE LANC ELO T
( m u lti- ( Eth e r n e t ( Eth e r n e t
hom e d h o s t) h o s t)
h o s t)
1 9 2 .5 . 4 8 . 3
T ALIES YN
( r o u te r )
T O KEN
1 2 8 .1 0 .2 . 7 0 1 9 2 .5 . 4 8 . 7 1 9 2 .5 . 4 8 . 6 1 0 . 0 . 0 .3 7
RING
1 9 2 .5 .4 8 .0 ARPANET
G LAT IS AN
( r o u te r ) 1 9 2 .5 . 4 8 . 1
ART HUR
( to k e n -r in g
h o s t)

26. h o s tid
C 110 n e tid 00000000
h o s tid
C 110 n e tid 11111111

32. →

37. ≈

43. 0 31
vers len type of service total length
ident flags fragment offset
time to live proto header checksum
source IP address
destination IP address
options padding
data