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

Functions and significance of tcp header’s fields, Describe the functions a...

Describe the functions and significances of all fields (such as Source Port and Destination Port) of a TCP header. Functions and significance of tcp header's fields FIELDS

Assigment, what the domain name of 128.252.160.2000

what the domain name of 128.252.160.2000

Database management, today, what is the most common or mostly encountered p...

today, what is the most common or mostly encountered problem in terms of database management system?

Example on TCP numbering, Q. Example on TCP numbering? Envision a TCP c...

Q. Example on TCP numbering? Envision a TCP connection is transferring a file of 6000 bytes. The first byte is numbered 10010. What are the sequence numbers for every seg

Clos network, Clos network This network was organized by Clos (1953).  ...

Clos network This network was organized by Clos (1953).  It is a non-blocking network and gives full connectivity like crossbar network but it also requires significantly minim

Throughput, Throughput is a calculate of the rate at which data can be tran...

Throughput is a calculate of the rate at which data can be transmit through the network. The throughput capability of the underlying hardware is known bandwidth. Because every fram

What is icmp, What is ICMP? ICMP is Internet Control Message Protocol. ...

What is ICMP? ICMP is Internet Control Message Protocol. It gives messaging and communication for protocols within the TCP/IP stacks. This is also the protocol that manages err

Layered concept of computer networks, Q1.  What  advantages  do  you  see  ...

Q1.  What  advantages  do  you  see  in  having  a  layered  concept  of  computer  networks?  Which layers or OSI structure deals with identification of a host? Explain the proces

Define carrier sense multiple access collision avoidance, Carrier Sense Mul...

Carrier Sense Multiple Access/Collision Avoidance a) Necessary since wireless LANs cannot implement CSMA/CD b) Collision detection requires increased bandwidth requirements

Security impact of not having a public key infrastructure, (a) You are pro...

(a) You are provided with the following: A. An RSA facility complete with public/private key pair B. A CBC (cipher block chaining) facility incorporating the IDEA block ciph

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