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Computer Networking : A Top-Down Approach

Computer Networking : A Top-down Approach

Authors: James F. Kurose, Keith W. Ross Chapter: Computer Networks And The Internet
ISBN: 9780132856201 Exercise: Review
Edition: 6 Question: 12

 

Question

What advantage does a circuit-switched network have over a packet-switched network? What advantages does TDM have over FDM in a circuit-switched network?

Answer

Advantages of a circuit-switched network have over a packet-switched network:

  • Circuit switched network is used for voice/video calls, but packet-switched network is not possible do this.
  • Circuit switched network's bandwidth is limited, but packet-switched network's bandwidth is not limited. So, packets transfer is time taken in packet-switched network.

Advantages of TDM have over FDM in a circuit-switched network:

  • TDM means Time Division Multiplexing. FDM means Frequency Division Multiplexing.
  • In TDM, same frequencey operate all connections, but In FDM, different frequencies opearate all connections.
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