RFC 791:INTERNET PROTOCOL
RFC-Ref
Previous
|
Next
Frontpage
|
Contents
|
Keywords
1
-
2
-
3
-
4
-
6
-
8
-
A
-
B
-
C
-
D
-
E
-
F
-
G
-
H
-
I
-
L
-
M
-
N
-
O
-
P
-
Q
-
R
-
S
-
T
-
U
-
V
-
W
8 bit
Click on the red underlined text to get to the source
2. OVERVIEW
...
bits
are the
network
and the last
8 bits
are the
local address
. ...
3. SPECIFICATION
...
Type of Service
:
8 bits
The
Type of Service
...
...
Time to Live
:
8 bits
This field indicates the maximum time the
datagram
...
...
lifetime
. Protocol:
8 bits
This field indicates the next level protocol used in the
data portion
...
...
host
b 110 21
bits
of net,
8 bits
of
host
c 111 escape to extended
addressing
...
1
-
2
-
3
-
4
-
6
-
8
-
A
-
B
-
C
-
D
-
E
-
F
-
G
-
H
-
I
-
L
-
M
-
N
-
O
-
P
-
Q
-
R
-
S
-
T
-
U
-
V
-
W
Previous
|
Next
Frontpage
|
Contents
|
Keywords
Web
RFC-Ref
RFC-Ref.org
Frontpage
Global Index
RFC
Sister Sites
Chess-Ref.org
Law-Ref.org
InChI.info
Zvon.org