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

Tcp connection, Lat take the CONNECT (client side), LISTEN, and ACCEPT (ser...

Lat take the CONNECT (client side), LISTEN, and ACCEPT (server side) socket primitives a) Why are these three needed for a TCP connection? b) Why are none of them needed for a U

Networking, What is the implication of increasing and decreasing subnet Bit...

What is the implication of increasing and decreasing subnet Bits?

Explain the multipath resistance, Explain the Multipath resistance The ...

Explain the Multipath resistance The chipping codes used for CDMA not only exhibit low cross-correlation but also low autocorrelation. Thus, a version of the signal that is del

Path overhead - sonet sdh , Path  Overhead It is part  of SPE  and con...

Path  Overhead It is part  of SPE  and contain followings  information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks,  and path  status.

State the steps to provide more computing power, State the Steps to provide...

State the Steps to provide more computing power In order to provide more computing power, the following steps may be taken: Add more processing power by addition of more

Internet transport service proposal, will you have this done to day? And ho...

will you have this done to day? And how long will this take?

Explain the technique- backpressure, Explain the technique- Backpressure ...

Explain the technique- Backpressure This technique produces an effect same to backpressure in fluids flowing down a pipe. It includes link-by-link use of flow control in a dire

Firewalls, Firewalls Firewalls emerged as a new technology in 1990s but...

Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des

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