IP option 19, Address Extension

Description Glossary RFCs Publications Obsolete RFCs

Description:

Protocol suite: TCP/IP.
Protocol type:Connectionless network layer protocol.
Option length:10 bytes.
Host implementation:
Router implementation:
Links: IANA: IP option numbers.

The IP Address Extension option is provided to carry the additional bytes needed to convert the IPv4 addresses to IPv7 addresses.


MAC header IP header IP option 19 Data

IP Option 19:

00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
Type Length Source IPv7 AD
Source 7th Byte Destination IPv7 AD Destination 7th Byte

Type. 8 bits. Set to 147.

00 01 02 03 04 05 06 07
C Class Option

C, Copy flag. 1 bit. Set to 1.
The option is to be copied into all fragments.

Class. 2 bits. Cleared to 0.
This is a control option.

Option. 5 bits. Set to 19.
The IP option number.

Length. 8 bits. Set to 10.

Source IPv7 AD. 24 bits.
IPv7 Administrative Domain.

Source 7th Byte. 8 bits.

Destination IPv7 AD. 24 bits.
IPv7 Administrative Domain.

Destination 7th Byte. 8 bits.


Glossary:

AD, the Administrative Domain.
(RFC 1475) The Administrative Domain identifies an administration which may be a service provider, a national administration, or a large multi-organization (e.g. a government).


RFCs:

[RFC 1475] TP/IX: The Next Internet.


Publications:


Obsolete RFCs:


Description Glossary RFCs Publications Obsolete RFCs