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

Describe the term - certification authority, Describe the term - Certificat...

Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).

Use of infrared, Q. Use of Infrared? - Frequencies among 300 GHz and 4...

Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati

What are the ethernet frame fields, Ethernet Frame Fields Preamble ...

Ethernet Frame Fields Preamble - seven bytes of alternating 0s also 1s to notify receiver of incoming frame and to provide synchronization SFD (Start frame delimiter)

Illustrate the bus backbone network, Q. Illustrate the Bus Backbone network...

Q. Illustrate the Bus Backbone network? - Topology is a bus - Utilized in networks such as 10Base5 or 10Base2 - Normally utilized to connect different buildings or to con

Programming with pvm, The Common method for writing a program with PVM is a...

The Common method for writing a program with PVM is as follows: A user writes one or more sequential programs in C, C++, or Fortran 77 having embedded PVM function (or subroutin

computer computinons, Difference between synchronous tdm and statistical t...

Difference between synchronous tdm and statistical tdm

Buffering - transport layer, Buffering This  protocols  provides  t...

Buffering This  protocols  provides  the advantage of buffering to the  receiver can buffer any out of order  packets after being received by  sending  acknowledgment  when

Describe the method of one way redistribution and mutual, Define  the conce...

Define  the concept of one way redistribution and mutual

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