TCP/IP

NARP, OSPF, TRIP, Mobile IP, Van Jacobson, XOT

 Extras

 
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NARP

NBMA Address Resolution Protocol - allows a source terminal (a host or router), wishing to communicate over a Non-Broadcast, Multi-Access (NBMA) link layer network, to find out the NBMA addresses of a destination terminal if the destination terminal is connected to the same NBMA network as the source.

8 16 32
Version Hop Count Checksum
Type Code Unused
Destination IP address
Source IP address
NBNA Length NBMA address (variable length)
Structure of the NARP header in 32 bit lines.

SCSP

Stream Control Transmission Protocol - is designed to serve distributed server entities that are bound to a Server Group (SG) through some means and need to synchronize the contents (or a portion thereof) of their caches, which contain information about the state of clients being served.

0 1 2 3  
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
Version Type code Packet size
Checksum Start of extensions
Structure of the SCSP header.

NHRP

Next Hop Resolution Protocol - allows a source station (a host or router), wishing to communicate over a Non-Broadcast, Multi-Access (NBMA) subnetwork, to determine the internetworking layer addresses and NBMA addresses of suitable NBMA next hops toward a destination station.

8 16 24 32
ar$afn ar$pro.type
ar$pro.snap
ar$pro.snap ar$hopcnt ar$pkstz
ar$chksum ar$extoff
ar$op.version ar$op.type ar$shtl ar$sstl
Structure of the NHRP header in 32 bit lines.

OSPF

Open Shortest Path First - is an interior gateway protocol which is used for routing within a group of routers. It uses link-state technology in which routers send each other information about the direct connections and links which they have to other routers.

8 16 32
Version No. Packet Type Packet length
Router ID
Area ID
Checksum AU type
Authentication
Structure of the OSPF header in 32 bit lines.

TRIP

Telephony Routing over IP - is to advertise the reachability of telephony destinations, attributes associated with the destinations, as well as the attributes of the path towards those destinations.

  0   1   2  
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3
0 Length Type
Structure of the TRIP header.

Mobile IP

Mobile IP - enables nodes to move from one IP subnet to another. Each mobile node is always identified by its home address, regardless of its current point of attachment to the Internet. While situated away from its home, a mobile node is also associated with a care-of address, which provides information about its current point of attachment to the Internet.

8 9 10 11 12 13 14 15 16 Octet
Type S B D M G V T Rsv 2
Lifetime 4
Home address 8
Home agent 12
Care of address 16
Identification 20
Extensions .... ....
Structure of the Mobile IP request header.

The format of the Mobile IP registration reply message:

8 16 32
Type Code Lifetime
Home address 8 Octets

Home agent 12 Octets
Identification 20 Octets
:
Extensions .....
Structure of the Mobile IP reply header.

RUDP

Reliable UDP - is designed to allow characteristics of each connection to be individually configured so that a number of protocols with different transport requirement can be implemented simultaneously not on the same platform. It is layered on the UDP/IP protocols and provides reliable in-order delivery (up to a maximum number of retransmissions) for virtual connections.

8 16
SYN ACK EAK RST NUL CHK TCS 0 Header Length
Sequence number Acknowledgement number
Checksum
Structure of the RUDP header in 16 bit lines.

TALI

Transport Adapter Layer Interface - provides TCAP, ISUP, and MTP messaging over TCP / IP and is used to support reliable communication between the SS7 Signaling Network and applications residing within the IP network.

16 32
SYNC
OpCode
Length Service message data
Structure of the TALI in 32 bit lines.

Van Jacobson

Compressed TCP - improves the TCP / IP performance over low speed (300 to 19,200 bps) serial links.

8
  C I P S A W U
Connection number (C)
TCP checksum
Urgent pointer (U)
D Window (W)
D Ack (A)
D Sequence (S)
D IP ID (I)
data
Compressed TCP Structure.

XOT

Cisco Systems X.25 over TCP.

16 32
Version Length
Structure of the XOT header in 32 bit lines.



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 TCP/IP - Start
 TCP/IP  Informatics Alphabet
 
Citing this page:
Radic, Drago. " IT - Informatics Alphabet " Split-Croatia.
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