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Authors:
James F. Kurose, Keith W. Ross
Chapter:
Application Layer
Exercise:
Review
Question:23 | ISBN:9780132856201 | Edition: 6

Question

What is an overlay network? Does it include routers? What are the edges in the overlay network?

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Answer

  • The overlay network contains of the node participating in the file sharing system and the logical links between the nodes in a P2P file sharing system.

  • There is a logical link (an “edge” in graph theory terms) from node A to node B

  • If there is a semi-permanent TCP connection between A and B.

  • In overlay network does not include routers.

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