What is protocol data unit, Computer Networking

Assignment Help:

What is Protocol Data Unit?

The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a source service access points (SSAP), a control field and an information field. DSAP, SSAP are addresses used by the LLC to recognize the protocol stacks on the receiving and sending machines that are produce and using the data. The control field specifies whether the PDU frame is an information frame (I - frame) or a supervisory frame (S - frame) or a unnumbered frame (U - frame).  

 


Related Discussions:- What is protocol data unit

Process management, Bootstrapping all the processes and establishing correc...

Bootstrapping all the processes and establishing correct lines of communication is, by itself, the toughest aspect of this assignment. Before writing any code you should think care

State about the future of the intranet, Future of the intranet At ...

Future of the intranet At present, the world of information technology is guided bythe C 3 paradigm that stands for Command, Control and Communication, which is normally

Statements about ppp and slip for wan communications, State the statements ...

State the statements about PPP and SLIP for WAN communications?  Ans)    a) PPP uses its Network Control Programs (NCPs) component to encapsulate many protocols.  b) SLIP

Who initiates the ‘trap'' message, Question 1 Who initiates the ‘Trap' mes...

Question 1 Who initiates the ‘Trap' message? When is this message generated? Question 2 Discuss the features of a typical Network Management System.List (Fault Management,

Hardware difficulty, Hardware difficulty It refers to the price of hard...

Hardware difficulty It refers to the price of hardware logic like connectors, wires, switches, arbiter etc. that are required for execution of interconnection network.

When a switch is said to be congested, When a switch is said to be congeste...

When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period

Single-cell wireless lan, Single-cell wireless LAN All of the wireless ...

Single-cell wireless LAN All of the wireless end systems are within range of a single control module. Multiple-cell wireless LAN: there are many control modules interlinked by

What is a dedicated server, What is a dedicated server? A network serve...

What is a dedicated server? A network server designated to provide one particular service is known as dedicated server. For example if a computer is assigned for database servi

Timing in mpi program, MPI_Wtime ( ) returns elapsed wall-clock time in sec...

MPI_Wtime ( ) returns elapsed wall-clock time in seconds as some arbitrary point in past. Elapsed time for program segment is specified by the difference between MPI_Wtime values a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd