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Abstract |
Abstract |
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======== |
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File sharing systems allow you to download a file from any host |
If the Web worked like a file-sharing system, there would be |
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that has a copy. This saves bandwidth and increases availability. |
no central point of failure for a Web page; it could be downloaded |
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It would be nice if the Web worked the same way. However, |
from any host that has a copy. This would save bandwidth |
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most current P2P systems have no facility |
and increase availability. However, if the Web worked like |
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to allow documents to be updated. The systems that do |
a file-sharing system, Web pages could never be updated. |
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Most current P2P systems have no facility |
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for updating documents. The systems that do |
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(such as Freenet or OceanStore) require state in the network |
(such as Freenet or OceanStore) require state in the network |
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for remembering what the current version of a document is. |
for remembering what the current version of a document is. |
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Thus, to keep a version of a Web page available, |
Thus, to keep a version of a Web page available, |