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In the BitTorrent P2P file distribution protocol (see Chapter 2), the seedbreaks the

Computer Networking: A Top-Down Approach | 6th Edition | ISBN: 9780132856201 | Authors: James F. Kurose, Keith W. Ross ISBN: 9780132856201 374

Solution for problem P13 Chapter 8

Computer Networking: A Top-Down Approach | 6th Edition

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Computer Networking: A Top-Down Approach | 6th Edition | ISBN: 9780132856201 | Authors: James F. Kurose, Keith W. Ross

Computer Networking: A Top-Down Approach | 6th Edition

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Problem P13

In the BitTorrent P2P file distribution protocol (see Chapter 2), the seedbreaks the file into blocks, and the peers redistribute the blocks to each other.Without any protection, an attacker can easily wreak havoc in a torrent bymasquerading as a benevolent peer and sending bogus blocks to a small subsetof peers in the torrent. These unsuspecting peers then redistribute thebogus blocks to other peers, which in turn redistribute the bogus blocks toeven more peers. Thus, it is critical for BitTorrent to have a mechanism thatallows a peer to verify the integrity of a block, so that it doesnt redistributebogus blocks. Assume that when a peer joins a torrent, it initially gets a.torrent file from a fully trusted source. Describe a simple scheme thatallows peers to verify the integrity of blocks.

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CCE 101 Dr. Pestana Week 2 Notes Communication as a Construction/Civil Engineer Summary  First impressions matter  Be effective and professional when communication, especially in written form  Presentations can be a great way to communicate when done effectively  Know the basics of negotiating First Impressions The DOs  Dress appropriately...

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Chapter 8, Problem P13 is Solved
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Textbook: Computer Networking: A Top-Down Approach
Edition: 6
Author: James F. Kurose, Keith W. Ross
ISBN: 9780132856201

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In the BitTorrent P2P file distribution protocol (see Chapter 2), the seedbreaks the

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