Computer Networking : A Top-Down Approach

Computer Networking : A Top-down Approach

Authors: James F. Kurose, Keith W. Ross
ISBN: 9780132856201
Edition: 6
Chapter: Computer Networks And The Internet
Exercise: Review
Question: 5

 

Question by Anonymous on 08 May, 2016 at 06:57 AM

Is HFC transmission rate dedicated or shared among users? Are collisions possible in a downstream HFC channel? Why or why not?

Answer by Geroge on 08 May, 2016 at 06:57 AM

  • HFC means Hynrid Fiber Coaxial cable. Its combines coaxial cable and fiber opticals.
  • HFC transmission rate shared among users.

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No. Collisions  are not possible in a downstream HFC channel.

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Reason behind this, the head end contains single source is sent by the every packet. This is

travel downstream on every link.

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