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

Mesh, Mesh It is of two dimensional network.  In this every processi...

Mesh It is of two dimensional network.  In this every processing elements are arranged in a two dimensional grid. The processor are in rows i and column j are denoted by PEi

Describe the importance of backups, Question: (a) Describe the importa...

Question: (a) Describe the importance of backups and the use of antivirus software. (b) With the help of an example/ illustration, explain the term encryption and explain

Dijkstra algorithms - network layer and routing , Dijkstra Algorithms T...

Dijkstra Algorithms To calculate its  routing  table  each router applies an algorithm  called  the dijkstra algorithm to its  state database. The dijkstra algorithm  calculate

Describe network topology and vpn, Describe Network Topology and VPN Ne...

Describe Network Topology and VPN Network Topology refers to the layout of a computer network. It presents how devices and cables are physically laid out, as well as how they j

Light sources and connectors, - Light source is LED (light-emitting diode) ...

- Light source is LED (light-emitting diode) or a laser - LEDs are cheaper however not as precise (unfocused) limited to short-distance use - Lasers is able to have a narrow

Electrical characteristics of 9-pin RS232 connector, Q. Electrical Characte...

Q. Electrical Characteristics of 9-Pin RS232 Connector? Electrical Characteristics - Single-ended One wire per signal and voltage levels are with respect to s

Low frequency cut-off of the band-pass, Question Approximately what is ...

Question Approximately what is the low frequency cut-off of the band-pass filter shown in the figure?

Calculate the modulation index and find the bandwidth, Consider a signal x(...

Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when

What is kerberos in networking, What is Kerberos in Networking? It is a...

What is Kerberos in Networking? It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to stop intruders from discover

Describe network security and internetworking security, Q. Describe Network...

Q. Describe Network security and Internetworking security? Network Security - Layers 5-7 - Securing the localized private domain. Network Administration, File Permissions

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