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revision 1.218 by benja, Mon Nov 10 12:14:32 2003 UTC revision 1.219 by benja, Mon Nov 10 12:28:02 2003 UTC
# Line 652  keeps a copy. Line 652  keeps a copy.
652    
653  We have also presented the Storm data model, a simple  We have also presented the Storm data model, a simple
654  model for representing data published on the P2P Web.  model for representing data published on the P2P Web.
655  The Storm model and allows powerful abstractions to be built on top of it  Storm has a simple plug-in architecture for indexing files
656  (such as pointer records), and  by content. This allows powerful abstractions to be built on top of it
657  is easy to implement in a variety  (such as pointer records).
658    
659    The model is easy to implement in a variety
660  of ways on current systems, ranging  of ways on current systems, ranging
661  from filesharing systems to global persistent data stores  from filesharing systems to global persistent data stores
662  like as OceanStore to  like as OceanStore to
663  simply burning blocks on a CD and using SneakerNet  simply burning blocks on a CD and using SneakerNet
664  for file transfers.  for file transfers.
665    
666  An adversary may try to attack our system by trying  .. Shared 1:1 with other P2P systems-- not that important
667  to publish such a large amount of information     to discuss:
 that it overloads the P2P network used. This  
 a problem shared with other P2P applications.  
668    
669  An adversary may also use an information hiding attack,     An adversary may try to attack our system by trying
670  withholding new versions of documents to clients,     to publish such a large amount of information
671       that it overloads the P2P network used. This
672       a problem shared with other P2P applications.
673    
674    An adversary may attempt to use an information hiding attack
675    against our system,
676    withholding new versions of documents from clients,
677  making them believe that old versions are still current.  making them believe that old versions are still current.
678  It could be argued that this is more of a problem  It could be argued that this is more of a problem
679  than an information-hiding attack in a filesharing system,  than an information-hiding attack in a filesharing system,
# Line 676  because showing an outdated version of t Line 682  because showing an outdated version of t
682  is less visible. Thus, if possible, the underlying P2P network  is less visible. Thus, if possible, the underlying P2P network
683  used should try to protect against information hiding attacks.  used should try to protect against information hiding attacks.
684    
685    Also, there may be privacy concerns with exposing one's cache
686    on the network, as well as retrieving files from peers
687    (because they can then see what one is trying to download).
688    One way to counter this problem is to use an anonymizing
689    P2P overlay.
690    
691  While our system helps to keep documents alive after  While our system helps to keep documents alive after
692  the original publisher has lost interest in them, it  the original publisher has lost interest in them, it
693  does not protect against a publisher that wants to make  does not protect against a publisher that wants to make
# Line 696  Acknowledgements Line 708  Acknowledgements
708    
709  We would like to thank Toni Alatalo, |Hermanni|,  We would like to thank Toni Alatalo, |Hermanni|,
710  Antti-Juhani Kaijanaho (who also proposed the name Storm),  Antti-Juhani Kaijanaho (who also proposed the name Storm),
711  Matti Katila, and Janne Kujala for comments and discussions.  Matti Katila, Janne Kujala and Sarah Stehlig for comments and discussions.
712    
713  .. XXX who else  .. XXX who else
714    

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