University is considering to change the MAC scheme to reservation and needs your

assistance deciding whether to use TDM$-$based reservation or Slotted$-$ALOHA$-$based

reservation. If the reservation mini$-$slot duration is $80\%$ of the duration of a frame transmission,

and the average number of active nodes in any one reservation cycle is $1\mathrm{.}3.$ Answer the following:

a$.$ Which reservation scheme should be picked? Justify your answer numerically. $($Show Steps$)$

ANS

b$.$ Is it wise to change from random access to reservation given all the above? Justify.

ANS: