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

Verify network connectivity- ccna, Verify Network Connectivity Step 1: ...

Verify Network Connectivity Step 1: Use the ping command to determine network connectivity. You can determine network connectivity using the ping command.  Note: If pings

Torus, Torus The mesh network with enclose around connections is called...

Torus The mesh network with enclose around connections is called Tours Network.

Which type for communication switch do, In case of any new event switch do ...

In case of any new event switch do broadcast, after that always do Unicast.

Explain clustering support, Explain clustering support Clustering suppo...

Explain clustering support Clustering support refers to the ability of a network operating system to link multiple servers in a fault-tolerant group. The main purpose of this i

What is the virtual channel, A logical circuit that is created by Virtual c...

A logical circuit that is created by Virtual channel links. It carries data among two endpoints in a network. The one more name for Virtual Channel is Virtual Circuit.

Options - transport layer, Options The options  fields may be  used to...

Options The options  fields may be  used to  provide  other functions that are not  covered by  the header. If the length  of the  options  field is not  a multiple of 32 bits

Flash updates, IGRP uses flash updates, poison reverse updates, hold down t...

IGRP uses flash updates, poison reverse updates, hold down times, and divide horizon. How often does it broadcast its routing table updates? Ans) 90 seconds

Udp segment structure - transport layer, UDP Segment Structure The  pr...

UDP Segment Structure The  primary  purpose  of the UDP protocols  is to expose datagram's to the application  layer. The UDP protocols does very  little and therefore  employ

Comparison and contrast between the osi and tcp-ip model, Q. Comparison and...

Q. Comparison and Contrast between the OSI and TCP-IP Model? This presentation would discuss a few comparison and contrast between the 2 main reference models which use the con

Spanning tree protocol - ccna, Perform Basic Switch Configurations Step...

Perform Basic Switch Configurations Step 1: Cable a network that is similar to the one in the topology diagram.  You can use any current switch in your lab as long as it has

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