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revision 1.129 by antont, Tue Feb 11 19:54:00 2003 UTC revision 1.130 by antont, Wed Feb 12 11:24:40 2003 UTC
# Line 1129  Review of the use cases: what does storm Line 1129  Review of the use cases: what does storm
1129  agreed with benja on irc that we might try this approach - hinting about the  agreed with benja on irc that we might try this approach - hinting about the
1130  use cases early on and taking a detailed look later, in light of the design.)  use cases early on and taking a detailed look later, in light of the design.)
1131    
1132    evaluation
1133    ----------
1134    
1135    To evaluate the design, the issues raised by data mobility are revisited in
1136    the following. For the two issues addressed, *danglink links* and *tracking
1137    alternative versions*, each individual (use) case that was identified in the
1138    introduction is used here to illustrate Storm.
1139    
1140    *Dangling links*. When documents are moved between servers, when using Storm
1141    the links to them are not affected as the identifiers are
1142    location-independent. In a peer-to-peer implementation, the lookup with the
1143    id returns a location where the data is currently available. If the
1144    publisher removes the document permanently, but it is archived elsewhere,
1145    the archives act as peers similarly. When there is no network connection
1146    available, but a local copy instead, the lookup points to that.
1147    
1148  1. live meeting:  1. live meeting:
1149  Documents have been assigned block-ids (and urns?) at creation.  Documents have been assigned block-ids (and urns?) at creation.
1150  Pools that are shared / set visible for the other user show over the  Pools that are shared / set visible for the other user show over the

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