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

Advantages, What are advantages of having e-commerce over extranets

What are advantages of having e-commerce over extranets

Security - fundamentals of networks, Security Security  is the  protec...

Security Security  is the  protection of hardware software and data  from  unauthorized access. Restricted physical  access to computer password protection limiting  user priv

What are the benefits of intranet applications, What are the benefits of In...

What are the benefits of Intranet applications The benefits of successful Intranet applications can be enumerated as follows: Cheaper: Use of client browsers with one

Which type of switching is considered to be ''wire speed'', Cut-Through is ...

Cut-Through is the best mode of switching. Store and Forward reads in the whole frame, confirms the frame is valid, and then forwards the frame onto the wire. Cut-Through only chec

Security goals confidentiality- integrity- digital signature, Question 1   ...

Question 1   This question concerns the main security goals (confidentiality, integrity, availability). Describe a situation which provides the goal of confidentiality but does not

What are the rules for writing on the web? explain, Question 1 How can one...

Question 1 How can one set up internet on a PC and test it?? Explain Setting up a new connection Testing internet connection Question 2 What are the rules for wri

Determine the functioning of service support, Determine the functioning of ...

Determine the functioning of Service Support Service Support must be considered a strong point for hardware, especially for servers and should be available readily. Many brande

What are the two functions of the data link mac layer, a) Manages protocol ...

a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer

High availability - application layer, High Availability Oracle web  c...

High Availability Oracle web  cache supports  content  aware  load  balancing  and fail  over  detection. The  features ensure that cache messes are directed to the most  avai

Calculate bandwidth needed for voice traffic, The second point to consider ...

The second point to consider is that from each location, some calls are internal to that site and some are going to outside locations. Again, as an approximation, MyCo telecom peop

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