Q4 Network efficiency “Smart-Toys-Smart Kids” is a toy manufacturing company. Th

Question

Q4 Network efficiency

“Smart-Toys-Smart Kids” is a toy manufacturing company. They are providing toys to more than 100 different Toy retail stores in the region. The company has 500 employees. The IT Manager of the company is planning to improve the network’s efficiency between his employees and the retail stores. This is to move the highest possible volume of accurate information through the network. The higher the volume, the greater the resulting network’s efficiency and the lower the cost. “Smart-Toys-Smart Kids” IT manager decided to apply SDLC Transmission protocol. And, they would like to have Transmission Efficiency of 95%.

The parameters of the transmission

Bits allocated for 
Flags : 16 bits
Address : 8 bits
Control : 8 bits
CRC : 32 bits

What would be number of bits they would allocate for the information to meet the Transmission Efficiency goal?

Show your calculation

ANSWER 4

Explanation / Answer

In Network protocols, the Transmission efficiency is defined as the total number of information bits sent by the user divided by the total bits (including overhead bits) in transmission.

In given problem, total bits allocated for Flags, Address, Control and CRC are 16 + 8 + 8 + 32 = 64 bits. So, total 64 bits allocated to these overhead bits. Now, call actual information bits say X. We need to calculate X in such a way that the Transmission effieciency is 95%.

Total bits send by the User = 64+X

Total actual information bits = X

So, formula: (X / (X + 64)) * 100 = 95

X/(X+64) = 95/100 --> X/(X+64) = 0.95

X = 0.95 (X + 64) --> X = 0.95X + 60.8

X-0.95X = 60.8 --> 0.05X = 60.8

X = 60.8/0.05 --> X = 1216

Actual bit information shall be 1216 bits

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