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

Command structure in distributed enrollment protocol , Command Structure: ...

Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex

Data types in distributed enrollment protocol, Data Types Each data typ...

Data Types Each data type of Table 1 must be sent according to the specifications below. [INT] Each value of this type is sent as the string representation of the corre

Objectives of operating system for parallel computer, Objective : After...

Objective : After going through this part you will be sure to explain the features of software and operating systems for parallel computers. In particular you should be able

State the difference between byte streams and message, State the difference...

State the difference between Byte streams and message Byte streams and message are different. In a message stream, network keeps track of the message boundaries. In a byte stre

List the advantages of arcnet, List the advantages of ARCNet. Here are ...

List the advantages of ARCNet. Here are some of the ARCNet's benefits: 1.  It is extremely reliable. 2. ARCNet is simple to install and troubleshoot. 3. It has an exce

Protocol will send a message to routers, Which protocol will send a message...

Which protocol will send a message to routers if a network outage or congestion happen Ans) Internet Control Message Protocol - ICMP will send a message to routers if a network

Define the distance vector routing, Q. Define the Distance Vector Routing? ...

Q. Define the Distance Vector Routing? Distance Vector Routing Every router periodically shares its knowledge about the entire internet with its neighbours Sharing

Simple mail transfer protocol ( smtp), Simple Mail Transfer Protocol ( SMTP...

Simple Mail Transfer Protocol ( SMTP) SMTP is the principal  application layer protocol for  internet electronic  mail. It uses the reliable data transfer  service of TCP  to

Explain about the database management intranet, Explain about the Database ...

Explain about the Database Management Intranet This type of Intranet provides everyone in an organisation with the capability to maintain a "real-time" interactive database.

Show the network layer duties, Network layer duties Internetwork ...

Network layer duties Internetwork - Physical and Data link layers are jointly responsible for data delivery on the network from node to node

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