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Vivaldi coordinates

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Vivaldi coordinates

Vivaldi Network Coordinates establish a virtual positioning system that has a prime use in networking. The algorithm behind the system uses a distributed technique to estimate propagation times between peers in the network.

Contents

Through this scheme, network topology awareness can be used to tune the network behaviour to more efficiently distribute data. For example, in a Peer-to-Peer network, more responsive identification and delivery of content can be achieved. In the Azureus application, Vivaldi is used to improve the performance of the distributed hash table that facilitates query matches.

Advantages

  • Vivaldi is a fully distributed scheme, which achieves good scalability.
  • The Vivaldi algorithm is simple and easy to implement.

    • Drawbacks

  • Vivaldi is based on Euclidean distance model, which requires the predicted distances to obey the triangle inequality. However, there are lots of triangle inequality violations (TIVs) on the Internet.
  • Lack of security design, very easy for malicious nodes to conduct various attacks.

    • References

    Vivaldi coordinates Wikipedia
    (Text) CC BY-SA


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