IP option 8, Stream Identifier

Description Glossary RFCs Publications Obsolete RFCs

Description:

Protocol suite: TCP/IP.
Protocol type:Connectionless network layer protocol.
Option length: 4 bytes.
Host implementation:
Router implementation:
Links: IANA: IP option numbers.

This option is used to carry a 16 bit SATNET stream identifier.

RFC 791, pg. 21:

This option provides a way for a 16 bit SATNET stream identifier to be carried through networks that do not support the stream concept. It must be copied on fragmentation and may appear at most once in a datagram.


MAC header IP header IP option 8 Data

IP Option 8:

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
Type Length Stream ID

Type. 8 bits. Set to 136.

00 01 02 03 04 05 06 07
C Class Option

C, Copy flag. 1 bit. Set to 1.
Indicates 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 8.
The IP option number.

Length. 8 bits. Always set to 4.

Stream ID. 16 bits.
SATNET stream identifier.


Glossary:


RFCs:

[RFC 791] Internet Protocol.

[RFC 1122] Requirements for Internet Hosts -- Communication Layers.


Publications:


Obsolete RFCs:


Description Glossary RFCs Publications Obsolete RFCs