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

Cable modem, Currently One more way of accessing the Internet being develop...

Currently One more way of accessing the Internet being developed is the use of cable modems. These need that you subscribe to a cable service & let you two-way communication with t

What is redirector in networking, What is redirector in Networking? Red...

What is redirector in Networking? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer

What are the benefits accruable from networks, What are the benefits accrua...

What are the benefits accruable from networks The exact number of benefits accruable from networks cannot be enumerated easily in terms of monetary benefit. In order to unde

State sonet frame, SONET Frame Can be viewed as a matrix of nine rows ...

SONET Frame Can be viewed as a matrix of nine rows of 90 octets every for a total of 810 octets.  A few used for control they aren't positioned at the beginning or end of the

TCP for live video, 1. What advantages and disadvantages does TCP have for ...

1. What advantages and disadvantages does TCP have for live video teleconferencing applications

Packet, a transperent switch is inserted between two local area networks AB...

a transperent switch is inserted between two local area networks ABC and XYZ.network ABC has workstation 1,2,and 3 and Network XYZ has workstation 4,5, and 6. show the contents of

Encrypted with a symmetric key, Alice sends a message to Bob, encrypted wit...

Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver

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