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Gnutella: Networks
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"In a nutshell, the cat has been let out of the bag and had kittens," says Ian Hall-Beyer, a self-proclaimed "networking geek" who administrates Gnutella's new home at gnutella.nerdherd.net. "There are probably a few dozen folks actively working on clones that use the protocol, as well as a few working to establish a new protocol, using Gnutella as a proof of concept."
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Comcast has blocked attempts by high-speed Internet users of BitTorrent, eDonkey and Gnutella file-sharing networks to share music, video and software files. The second-largest Internet provider in the U.S. appeared to be managing its network to keep file-sharing traffic from swallowing too much bandwidth. However, critics say that Comcast’s practices violate “Net Neutrality” principles, under which large Internet providers should provide equal treatment to all Internet traffic.
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When you join the Gnutella Network and send out ping requests, other gnutella hosts respond with pongs. Your gnutella software's host catcher keeps track of the gnutella hosts that sent these pongs, so that you will have a list of active gnutella hosts that you can connect to. Most gnutella servents have some sort of an automatic connection feature; these automatic connections are usually made with hosts from the host catcher's list.
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Lime Wire supports Gnutella's open-protocol, prejudice-free development environment. Since nobody owns the Gnutella protocol, any company or person can use it to send or respond to queries, and no entity will have an artificial choke hold over the network or over the information flowing through it. This free market enviroment promotes competition among entities choosing to respond to the same queries. The model for Gnutella's growth and development is the World Wide Web. On the World Wide Web, nobody owned the hypertext transfer protocol (HTTP) on which the Web was based, nor did anybody own the web itself, which has allowed its growth to be so explosive, and the spectrum of its applications so broad.
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Anyway, Gnutella was declared an "unauthorized freelance project" and put out to pasture like a car that goes a hundred miles on a gallon of gas. Or maybe like a technology that could eliminate the need for a physical music distribution network. Cast out like a technology that could close the books on a lot of old-world business models? Well, something like that, anyway.
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There are two major problems plaguing the Gnutella network: the abundance of freeloaders and the reliance on broadcast messages. This document describes these problems and addresses how they can be resolved with minor changes to the protocol. [Source: LimeWire]
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