/[gzz]/manuscripts/pointers/article.rst
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revision 1.17 by benja, Mon Oct 27 15:34:42 2003 UTC revision 1.18 by benja, Mon Oct 27 15:39:51 2003 UTC
# Line 67  the link must not specify the server tha Line 67  the link must not specify the server tha
67  is to be downloaded from. The URI of a page must never change,  is to be downloaded from. The URI of a page must never change,
68  even if it moves to a different server.  even if it moves to a different server.
69    
70    Instead, identifiers must be *self-verifying*: after downloading
71    an alleged version of a page from some server, it must be
72    possible to *check* that it is really a version of that page.
73    The simplest way to do this is to use a cryptographic hash
74    to identify the content. After downloading the page, the client
75    will check it against the cryptographic hash embedded in
76    the page's identifier.
77    
78  In 1996, Tim Berners-Lee [name-myth]_ argued that  In 1996, Tim Berners-Lee [name-myth]_ argued that
79  using location-independent identifiers  using location-independent identifiers
80  is not viable on a global scale:  is not viable on a global scale:
# Line 83  has been proposed by Balakrishnan et.al. Line 91  has been proposed by Balakrishnan et.al.
91    
92  .. Proposal: A location-independent Web (closest thing is Freenet (ref))  .. Proposal: A location-independent Web (closest thing is Freenet (ref))
93    
94    We propose, then, to build a location-independent Web
95    based on self-verifying identifiers.
96    
97    The project that is currently closest to this goal is Freenet,
98    a XXX
99    
100  .. Benefits of hash-based addressing:  .. Benefits of hash-based addressing:
101     - Pages easily movable between servers     - Pages easily movable between servers
102     - Data accessible as long as anyone keeps a copy     - Data accessible as long as anyone keeps a copy

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