77 lines
3.2 KiB
Plaintext
77 lines
3.2 KiB
Plaintext
From fork-admin@xent.com Wed Sep 11 13:49:38 2002
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Message-Id: <029801c25960$db348560$640a000a@golden>
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From: "Gordon Mohr" <gojomo@usa.net>
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To: <fork@spamassassin.taint.org>
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References: <DAV60BuhOF3Gc76oajS00012b65@hotmail.com>
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Subject: Re: Microsoft buys XDegress - more of a p2p/distributed data thing...
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Date: Wed, 11 Sep 2002 00:00:01 -0700
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Mr. FoRK writes:
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> "Files can be cached on multiple systems randomly scattered around the
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> Internet, as with Napster or Freenet. In fact, the caching in XDegrees is
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> more sophisticated than it is on those systems: users with high bandwidth
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> connections can download portions, or "stripes," of a file from several
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> cached locations simultaneously. The XDegrees software then reassembles
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> these stripes into the whole file and uses digital signatures to verify that
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> the downloaded file is the same as the original. A key component of this
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> digital signature is a digest of the file, which is stored as an HTTP header
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> for the file."
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This "more sophisticated than [Napster or Freenet]" part seems
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to be the same behavior implemented in many other P2P CDNs,
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such as:
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- Kazaa
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- EDonkey/Overnet
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- BitTorrent
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- Gnutella (with HUGE extensions)
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- OnionNetworks WebRAID
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...though the quality of the "digest" used by each system varies
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wildly.
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- Gordon
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