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

Introduction of dns - domain name server, Introduction of DNS While di...

Introduction of DNS While discussing about the Internet, one things comes automatically in the n=mind and hence it is directly or indirectly depended on DNS. The DNS which sta

Encrypt and decrypt message cryptography, Submission instructions: Answer ...

Submission instructions: Answer the following questions using a text processing software and submit your answers via connex. Possible file formats for your submission file(s) are .

Show scalability and reliability of computer network, How do you account fo...

How do you account for higher scalability and reliability of computer network? Ans: Computer network will have a large number of computers, which can share database, software

Difference between authentication and deauthentication, Difference between ...

Difference between Authentication and Deauthentication Authentication: Used to establish the self of stations to each other. Deauthentication: This service is appealed whene

Reliable data transfer - transport layer, Reliable Data Transfer Figur...

Reliable Data Transfer Figure illustrate the  framework for reliable  transfer. The service  abstraction provided  to the upper  layer  entities is that  of a reliable channel

What is the routing algorithm used by rip and igrp, Distance vector-based r...

Distance vector-based routing algorithms (also called as Bellman-Ford algorithms) pass periodic copies of a routing table from router to router. Regular updates among routers commu

Explain any three most important gsm identifiers, Question 1 A) Explain br...

Question 1 A) Explain briefly the advantages wireless communication systems                   B) What is a cellular network? Question 2 Explain fundamental architecture of

What are all the base services provided by the os, What are all the Base se...

What are all the Base services provided by the OS? Interprocess communications (IPC) Task preemption Task priority Local/Remote Interprocess communication Semaphor

Concept of internetwork and intranetwork routing protocols, Describe the co...

Describe the concept of internetwork and intranetwork routing protocols?

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