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

State the types of performance of computer hardware, State the types of per...

State the types of performance of computer hardware The hardware, i.e., the server or computer has a direct relationship on performance in the following areas: Reliabili

Network devices - network layer and routing , Network Devices a.Hub ...

Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can  classified  into networking and internetworking  devices when

Ip address, how can u identify the ip class of given ip address

how can u identify the ip class of given ip address

What are mac addresses, What are MAC addresses? MAC, or Media Access Co...

What are MAC addresses? MAC, or Media Access Control, uniquely identifies a device on the network. It is also called as physical address or Ethernet address. A MAC address is m

Define the difference among trusted and untrusted networks, Can you define ...

Can you define the difference among trusted and untrusted networks?

Define unicast - multicast and reserved addresses, Q. Define Unicast - Mult...

Q. Define Unicast - Multicast and Reserved Addresses? Unicast, Multicast, and Reserved Addresses Unicast address - identifies a specific device Multicast address

Illustrate return to zero encoding, Q Illustrate Return to Zero encoding? ...

Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?

Disk encryption and block cipher, Suppose AES (or any block cipher) is used...

Suppose AES (or any block cipher) is used to encrypt data. Which mode of encryption covered in class is best suited for each of the following two scenarios and why? If more than on

Explain the term ftp- file transfer protocol, Explain the term FTP: File T...

Explain the term FTP: File Transfer Protocol A very common method of moving files between two Internet sites. FTP is a special way to log in to another Internet site for pur

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