02/06/2011

File Sharing Networks

And you know what file sharing networks? Many of you will say yes! But is it really? In general, listen and remember. There are three types of file-sharing networks: Centralized network - is when each party file-sharing network is both client and server, but it is necessary to provide the foundation for uniting disparate customers together in a particular community. In centralized file-sharing networks, service information stored indexing servers. The advantage of such networks is the relative ease of programming the network and a small amount of classified information, sent to the server. Closure of Napster and WinMX networks showed unreliable centralized file-sharing networks. to learn about file sharing with iPads go to apple.

Indexing servers can be disconnected for various reasons (technical failure, the ruin of owning a company, a judicial decision.) In this case the network goes down function. For centralized networks is Direct Connect. Decentralized networks - a file-sharing networks operate without indexing servers. Although the volume of transmitted service information in them more, the reliability of their much higher. While there is no way forced to stop operation of the network. To decentralized networks include Overnet and Kad. Partially decentralized networks - so-called "Hybrid Network" which combine imagine the speed and reliability of the centralized network of decentralized, they used hybrid schemes that use independent indexing server, constantly synchronizes information between them. So way, in case of failure of one of them, the network continues to operate.

To partially decentralized file-sharing networks are eDonkey2000, OpenNap. P2P - the so-called ad hoc network. For the first time the term peer-to-peer (P2P) was used in 1984 by ibm in the development of network architecture for dynamic routing of traffic over computer networks with arbitrary topology (Advanced Peer to Peer Networking). Today, P2P technology is based on a huge number of popular network services - from simple file sharing to voice and video. By some estimates, currently over half of all Internet traffic is the traffic on file-sharing P2P-networks, and the size of the largest of them crossed the mark in million concurrent nodes sharing petabytes (1015 bytes) of information. Total number of registered participants P2P file-sharing networks worldwide is about 100 million most common p2p-networks considered: Direct Connect (DC) - the server acts as a search engine on the resources of users connected to it. Used in almost all the cable networks of Internet service providers. BitTorrent - the largest distribution protocol dissemination on the Internet. eDonkey 2000 - the predecessor of BitTorrent. Jabber - to create a chat in lan and Internet-based p2p-specifications. Skype - is rapidly growing p2p-phone is used throughout the world.

Feb 6, 2011 7:34:38 AM | Web/Tech, Weblogs

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