92 lines
4.4 KiB
Plaintext
92 lines
4.4 KiB
Plaintext
From fork-admin@xent.com Wed Sep 11 13:49:36 2002
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Tue, 10 Sep 2002 23:41:15 -0700
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From: "Mr. FoRK" <fork_list@hotmail.com>
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To: <fork@example.com>
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Subject: Microsoft buys XDegress - more of a p2p/distributed data thing...
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Date: Tue, 10 Sep 2002 23:45:31 -0700
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version=2.50-cvs
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I like this part - sounds like httpd on the client...
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http://www.openp2p.com/pub/a/p2p/2001/04/27/xdegrees.html
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"Once the Client Component is installed, a server can order a program to run
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on the client. Any CGI script, Java servlet, ASP component, etc. could be
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run on the client. This is like breaking the Web server into two parts.
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Originally, Web servers just understood HTTP and sent pages. Then the field
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started demanding more from the Web and the servers got loaded down with CGI
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and mod_perl and active pages and stuff. So now the Web server can choose to
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go back to simple serving and (where the application is appropriate) let the
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client do the other razzamatazz. This is superior to JavaScript in one
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important detail: the program doesn't have to reload when a new page is
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loaded, as JavaScript functions do.
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And because XDegrees uses Web-compatible technology, users can access
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XDegrees resources without installing any software, simply by using their
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browser."
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===
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"Scaling is the main question that comes to mind when somebody describes a
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new naming and searching system. CEO Michael Tanne claims to have figured
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out mathematically that the system can scale up to millions of users and
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billions of resources. Scaling is facilitated by the careful location of
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servers (XDegrees will colocate servers at key routing points, as Akamai
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does), and by directing clients to the nearest server as their default
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"home" server. Enterprise customers can use own servers to manage in-house
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applications."
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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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