/[gzz]/manuscripts/storm/article.rst
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revision 1.219 by benja, Sat Feb 15 19:53:24 2003 UTC revision 1.220 by tjl, Sat Feb 15 19:55:43 2003 UTC
# Line 857  or by treating the two versions as alter Line 857  or by treating the two versions as alter
857  alternative versions have been consolidated, a pointer block  alternative versions have been consolidated, a pointer block
858  obsoleting both consolidated previous versions is created.  obsoleting both consolidated previous versions is created.
859    
860    Currently, the pointer mechanism
861    works only between trusted Storm pools, e.g.
862    in a workgroup collaborating on a set of documents.
863  In a multi-user environment, we usually want only one user  In a multi-user environment, we usually want only one user
864  or group to be able to publish official versions a document.  or group to be able to publish official versions a document.
865  It is not yet clear how to do this.  It is not yet clear how to do this,
866  Signing pointer blocks digitally may be sensible.  but digital signatures of pointer blocks seem promising.
867  For long-term publishing, one-time signatures have been  For long-term publishing, one-time signatures have been
868  found useful [anderson98erl]_. Currently, the pointer mechanism  found useful [anderson98erl]_.
 works only in trusted Storm pools, e.g.  
 in a workgroup collaborating on a set of documents.  
869    
870  .. digital signatures require a public key infrastructure  .. digital signatures require a public key infrastructure
871     and a trusted timestamping mechanism, which     and a trusted timestamping mechanism, which
# Line 880  if one exists. Line 881  if one exists.
881    
882  While we think that alternative current versions are useful for  While we think that alternative current versions are useful for
883  asynchronous collaboration, they aren't well suited to Web-like publishing.  asynchronous collaboration, they aren't well suited to Web-like publishing.
884  For this, a different system may be practical, where pointer blocks  For this, a different system may be practical, where digitally signed pointer blocks
885  store a target and a timestamp; when resolving a pointer, the newest  store a target and a timestamp; when resolving a pointer, the newest
886  pointer block for that pointer would then be selected.  pointer block for that pointer would then be selected.
887    

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