Thursday, June 21, 2007

The Power Of Non-Violence

                                Actually history has the greatest mysteries. During my school days when I learnt history I don't take much interest in it, but now my interest towards it is increasing because now I have understood the truth that present is nothing without history, present is something that is derived from history without history there is neither present nor future. The great problem in history is that there is no proof, none have experienced it thus it is called as History.
                                Talking about Indian History, the greatest part is the freedom struggle. Speaking from my heart I don't like Gandhi and also don't believe that his efforts lead to freedom. I'm a sort of guy who believe in violence. I think the important things in life are Revenge ( ie tit for tat ). This is why I hate Gandhi. I have a great doubt that how the lean man fought for our freedom So I browsed the history to know much about it. I still don't know how his efforts lead to freedom but I'm clear about one of his idea non-violence and its power.
                                 Non-violence is one of the great power of Gandhi, non-violence is simple it is peaceful resistance. By non-violence also, you oppose the wrongs but the way of opposing differs, you don't get into action, you oppose by fasting or refusing to cooperate. The main difference is when you try to oppose others in a violent manner it instills revenge in others but when you oppose nonviolently then the reaction is entirely different because you have not hurt the others so no one tries to hurt you. Without non-violence Gandhi would not have travelled this much distance in freedom struggle.
                                 Truely you cannot understand nonviolence by learning you have to give it a try without a try you can never feel the difference. Try to follow nonviolence for a single day then you will know the difference. Gandhi's policy of nonviolence is a great thing for us to learn. Try to watch the movies, Gandhi (1982 - a hollywod movie) and Lage Raho Munna Bhai (2006 - a hindi movie ) you will get to know more about Gandhi and nonviolence. Nonviolence is one of the greatest idea of Gandhi but still I don't know how far Gandhi's effort have succeeded because history has the greatest mysteries......

Thursday, June 7, 2007

The Real Theme Behind Torrents

Many of them have actually misunderstood that Torrents is so similar to peer-to-peer but actually that is not true it has a lot of difference. Torrent can be taken as advanced version of peer-to-peer network. The main problem with P2P was, many were ready to download and only some were there to upload, ie many downloaded and only few uploaded as this goes on after a few days the file becomes unavailable to others. So in order to avoid this, the concept of torrent was introduced.
The main keywords or important terminologies in torrent are seed, leech, share ratio. Seeds : denotes the no. of people uploading the current file, Leechers : is the actual no. of people downloading the file, Share ratio : is how much you have shared, we will come to this later. The other terminologies are Availability : It denotes the number of full copies of the file available to the client, Choked : describes an uploader to whom the client does not wish to upload, Snubbed : An uploading client is flagged as snubbed if the downloading client has not received any data from it in over 60 seconds, Swarm : Together, all peers (including seeders) sharing a torrent are called a swarm, Tracker : A tracker is a server that keeps track of which seeds and peers are in the swarm. The main torrent file : contains every data about all the files it makes downloadable, including their names and sizes and checksums of all pieces in the torrent.
In Torrent the user doesn't know the actual location of the file neither he can't download the file directly, so he need to use torrent clients such as azureus, uTorrent, Bitcomet etc [et cetra]. Initially a part of the file is downloaded to your system from any peers and then you upload the part to someone else and then receive next part of the file from someone and then upload to some other. This goes on continuing till your download is finished or until you come out of the network. When you are out of the network your client is disconnected from the swarn and the others continue the same process, whenever the downloading file is completed you go to seeding mode ie you will become seeder thus others can download from you. Actually the share ratio is the ratio of the size of file you have uploaded to downloaded. If your share ratio is 1 then you have uploaded the same amount as you downloaded, if it is >1 then you have uploded more and <1 then you have downloaded more. The need for share ratio is that you need to upload atleast the amount you have downloaded orelse the file becomes unavailable. Based on the share ratio the priorty will be given so if you upload more you are given high priority to download so your speed of downloading becomes more. This is the main difference of Torrent to peer-to-peer client.
So don't ever think of downloading and going out then next time you will be given less priority, so upload and try to maintain the share ratio as 1, greater than 1 is great. So seed [upload] the file for others.

The Great Fall of Peer-To-Peer

Peer-To-Peer is actually a file sharing network, actually designed for high speed transfers but now mostly used for illegally sharing the file.The theme behind the Peer-To-Peer network is there will be Peer-To-Peer clients which have the address of central system which has the Database of files present in Peer-To-Peer network. Whenever you search for a file the central system is accessed and the original location of the file ie in which client it is present is identified and you directly start downloading from the client, you don't access the central system anymore. After you finished downloading, your address will also be added in central system and you may upload the file for other client. But in Peer-To-Peer you can control the downloads and uploads,thus you can simply download file without uploading. Many started to download files they never thought of uploading so the files became unavailable very soon. So they decided to develop another network to prevent this type of problem and thus finally the outcome was the Torrent.

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