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

Undesirable sharing - fundamentals of networks, Undesirable Sharing ...

Undesirable Sharing With  the good  comes  the bad  while  networking  allow  the easy  sharing  of useful  information it also  the sharing  of undesirable  data. One sign

Routing principle - network layer and routing , Routing Principle The p...

Routing Principle The principle  criterion of  successful routing is of course correctness but it not only criterion. You might  prefer to take the most direct route ( the  one

Define the non-blocking and blocking network, Non-Blocking and Blocking net...

Non-Blocking and Blocking network In Non-blocking networks, route from a free input node to another free output node can forever be provided. Crossbar is an illustration of non

Explain full duplex data transmission, Q. Explain Full Duplex data transmis...

Q. Explain Full Duplex data transmission? - Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions). - If this is

Time out - transport layer, Time  out Timers  are used to protect  aga...

Time  out Timers  are used to protect  against  lost packet. Each  packet  must have its own logical  timers since  only  a single  packet  will be retransmitted  after timeou

Hybrid networks -v irtual private networks , Hybrid Networks Allows  a...

Hybrid Networks Allows  an organization to have its  own  private networks  and at the same  time access to the global internet. the organization  may share  its information w

Advantages and disadvantage of computer networking , Advantages and Disadva...

Advantages and Disadvantage of Computer Networking Most of the benefits  of networking  can be  divided into  two  generic categories Connectivity and  sharing. Networks

Explain inference, What is inference? Ans) The principle of "inference"...

What is inference? Ans) The principle of "inference" is fairly a simple one: being capable to derive new data from data that you already know. In a mathematical sense, querying

Factor causing parallel overheads, Factor Causing Parallel Overheads F...

Factor Causing Parallel Overheads Figure clearly explains that the performance metrics are not able to achieve a linear curve in comparison to the enhance in number of process

What is kerberos in networking, What is Kerberos in Networking? It is a...

What is Kerberos in Networking? It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to stop intruders from discover

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