GIST, General Internet Signalling Transport

Description Glossary RFCs Publications Obsolete RFCs

Description:

Protocol suite: TCP/IP.
Protocol type:Application layer protocol.
Ports:
URI:
MIME subtype:
SNMP MIBs:
Working groups: nsis, Next Steps in Signaling WG.
Links: IANA: GIST parameters.

MAC header IP | IPv6 header UDP header GIST header Data :::

GIST header:

0001020304050607 0809101112131415 1617181920212223 2425262728293031
Version GIST hops Message length
NSLPID C Type S R E reserved
Data :::

Version. 8 bits.
GIST protocol version number.

GIST hops. 8 bits.
A hop count for the number of GIST-aware nodes this message can still be processed by (including the destination).

Message length. 16 bits.
The total number of 32-bit words in the message after the common header itself.

NSLPID. 16 bits.
IANA-assigned identifier of the signalling application to which the message refers.

C. 1 bit.
If set, the message has to be able to be interpreted in the absence of routing state.

Type. 7 bits.
The GIST message type.

TypeDescriptionReferences
0Query. RFC 5971
1Response. RFC 5971
2Confirm. RFC 5971
3Data. RFC 5971
4Error. RFC 5971
5MA-Hello. RFC 5971
6
-
55
  
56
-
63
private/experimental use. RFC 5971
64
-
127
  

S. 1 bit.
If set, the IP source address is the same as the signalling source address.

R. 1 bit.
If set, a reply to this message is explicitly requested.

E. 1 bit.
If set, the message was explicitly routed.

reserved. 10 bits.


Glossary:


RFCs:

[RFC 5971] GIST: General Internet Signalling Transport.


Publications:


Obsolete RFCs:


Description Glossary RFCs Publications Obsolete RFCs