The medium Access control sublayer

The medium access control

sub layer network link can be divided into two categories to use in point to point connection and those using Road card channel this chapter deals with broadcad links and their Protocol in any broadcad network the key issue is a how to determine who get to use the channel when there is competition for it to make this point consider as conference call in V6 people on 6 different telephone are all connected to that is one can hear and all to all the others it is very likely that when one of them stop speaking to or more will start talking at once leading to chaos..

the channel allocation

problem the central theme of this chapter is how to allocate a single broadcast channel might be a portion of the Wallace spectrum in a Geographic region or a single wire or typical Optical Fibre to which multiple note and corrected it does not matter in both cases the channel connect each user to all other user and any user who makes full use of the channel interface with other user who also wish to use the channel..

. static channel allocation

the traditional why of allocating a single channel such as a telephone trunk among multiple committing user is to job it's capacity by using one of the multiplancing scheme such as Frequency division multiplexing if there are any other band with divided into equal size portion with each user being assigned one position...