Archive for 十二月, 2005



Collaborative Tagging

Published on 十二月 25, 2005

The Structure of Collaborative Tagging SystemsScott A. Golder and Bernardo A. Huberman, HP

Collaboration is an interesting topic. BT is an excellent example. Now del.icio.us is another.
Tagging & Taxonomy is two different concepts. Th...


Common API for Structured P2P

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Towards a Common API for Structured Peer-to-Peer Overlays Frank Dabek, MIT, Ben Zhao, John Kubiatowicz, Ion Stoica, Berkeley, Peter Druschel, Rice

Three typical service of KBR API ( Key-base Routing API)

DHT: distributed hash tables - pu...


Search in DHT-based P2P

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Complex Queries in DHT-based Peer-to-Peer NetworksMatthew Harren, etc. Ion Stoica Berkeley

Search is different from Querying. Search is a limited form of querying. Search is finding files whose names contain a given string, but Query allows com...


Zipf, Power-laws, Pareto

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Zipf, Power-laws, and Pareto - a ranking tutorial
Lada A. Adamic, HP lab
They are all about small occurrences are common, whereas large instance are rare.

Zipf’s law: y ~ r^(-b), y: size, r: rank
word frequency: 1932; c...


BitTorrent Analysis

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Modeling and Performance Analysis of BitTorrent Like PeertoPeer NetworksDongyu Qiu and R. Srikant, UIUC

Fluid model:

Downloader: dx/dt = arrive rate - abandon rate - min {total download rate, total upload rate}
Seed: dy/dt = min {t...


BitTorrent Analysis

Published on

Modeling and Performance Analysis of BitTorrent Like PeertoPeer NetworksDongyu Qiu and R. Srikant, UIUC

Fluid model:

Downloader: dx/dt = arrive rate - abandon rate - min {total download rate, total upload rate}
Seed: dy/dt = min {t...


BitTorrent

Published on 十二月 11, 2005

Incentives Build Robustness in BitTorrent
Bram Cohen
Peer Distribution
[Content]

Tracker return the interaction peer list to a peer. Random graphs algorithm is used to get good robustness, i.e. avoid the power law graph’...


Gnutella

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Peer-to-Peer Architecture Case Study: Gnutella NetworkMatei Ripeanu, U Chicago
[Content]

Crawl and analyze Gnutella network from 10/2000 - 06/2001.
For save time, use Client/Server crawler. Single client need 50hr for 4000 nodes.

P2P for Personalized Service Infrastructure

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P2P for Personalized Service Infrastructure- my idea for P2P’s research and development direction
Skype is an obvious success for P2P to replace traditional legacy communication service. In this voice service area, P2P has breaked the trad...