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P2P is short for English peer-to-Peer, also known as the “point to point. “Peer” technology, new technology is a network dependent on the computing power and bandwidth of network participants rather than rely on are clustered in a few less servers. P2P or English Point to Point short. It is to download the term, which means you download your own computer should continue to do host upload, download this way, the more people who rate the faster but the drawback is the relatively large hard disk damage (written to read), there is more memory usage, affecting the whole speed
German Internet research firm ipoque peer has been completely dominated the Internet today, 50-90% of the total traffic from P2P p2p Working Group process.
P2P program, BitTorrent has surpassed the eDonkey (including the eMule), accounting for 50 to 70 percent of P2P traffic, while the latter depending on the region share for 5 ~ 50%, but in some places, the eDonkey P2P preferred.
Another interesting, though Skype is not sensitive to the bandwidth requirements, but also achieve the highest bandwidth occupancy rate in some places 2%.
Ellacoya Networks to statistics released in June showed that only 37% of the North American network traffic from P2P, HTTP is still as high as 46%, among which more than another third from YouTube and other video sharing sites.
Although statistics are different, but ipoque and Ellacoya Networks that video has become a big demand of today’s Internet users, it is also a variety of sharing video and HD video to occupy a lot of network bandwidth, the ISP should deploy new technologies as soon as possible. meet the users needs, rather than to P2P as a scourge.
Simple, the P2P directly linked to people and allow people to interact directly via the Internet. P2P makes communication easier, more direct sharing and interaction, and really eliminate the middleman on the network. P2P is directly connected to the other user’s computer, swap files, rather than as in the past to connect to the server to browse and download. Another important feature of P2P is to change the Internet p2p Working Group site status, return to the “decentralization” and hand power back to users. P2P seems very new, but just as B2C, B2B is a very common thing in the real world ported to the Internet, P2P is nothing new. In real life every day in accordance with the P2P model face to face or by telephone exchange and communication.
Even from the network, P2P is not a new concept of P2P is the basis of the overall Internet architecture. Internet the most basic protocols TCP / IP and there is no concept of client and server, all devices are equal to communicate at one end. Ten years ago, all systems on the Internet has both server and client functionality. Of course, the later development framework on top of TCP / IP software does a client / server architecture: the browser and Web server, mail client and mail servers. However, for the server, they are still peer-to-peer networking. By email, for example, on the Internet and a huge, only the mail server to handle all e-mail, but mail server networking, mutual cooperation of the email sent to the server up. In addition users between email has been peer liaison channels.
In fact, many of the services available on the network can be classified as P2P ranks. Instant messaging systems such as ICQ, AOL Instant Messenger, Yahoo Pager, Microsoft MSN Messenger and QQ is the most popular P2P applications. They allow the user to communicate with each other and exchange information, swap files. Exchange of information between users is not direct, you need to have servers located in the center to coordinate. However, these systems such as the search for this very important function of a large number of information sharing, the lack of this feature might be why instant message to one of the reasons for a long time but have not been able to produce such as Napster.