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Authors:
James F. Kurose, Keith W. Ross
Chapter:
The Link Layer: Links,access Networks, And Lans
Exercise:
Review
Question:4 | ISBN:9780132856201 | Edition: 6

Question

Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as d prop . Will there be a collision if d prop < L/R? Why or why not?

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Answer

  • Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R.
  • The propagation delay between the two nodes as d prop.
  • If  transfer noded at same time, then receive the bits of packet from another node while d prop < L/R.

Thus, the collision is occured.

 

 

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