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

Multicasting, MULTICASTING : The answer to above problem is multicastin...

MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically

Explain dynamic domain name system, Q. Explain Dynamic Domain Name System? ...

Q. Explain Dynamic Domain Name System? DDNS - Dynamic Domain Name System automatically updates the DNS master file - Sent by DHCP to a primary DNS server; secondary se

Explain the anonymous ftp, What is anonymous FTP? Anonymous FTP is a wa...

What is anonymous FTP? Anonymous FTP is a way of granting user access to files in public servers. Users that are permitted access to data in these servers do not require identi

Dotted decimal notation, Dotted decimal representation is a syntactic form ...

Dotted decimal representation is a syntactic form the IP software uses to express 32-bit binary numbers when communicating with humans. Dotted decimal presents every octet in decim

Physical media - computer network, Physical Media In order  to define ...

Physical Media In order  to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider  a bit travelling from one end system through a serie

Memory pools-input and output pool-pci pool, Memory Pools IOS manages a...

Memory Pools IOS manages available free memory thorugh  memory pool series, which are essentially heaps in the generic sense; each pool is a set of memory blocks that can be al

Modeling a wan, To model a WAN, we need a graph in which the nodes model sw...

To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached d

What are the two broad classes of middleware, Two broad classes of middlewa...

Two broad classes of middleware are a) General middleware b) Service-specific middleware.

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