Changes between Version 6 and Version 7 of Extensions


Ignore:
Timestamp:
2007-10-18T17:23:02Z (16 years ago)
Author:
nejucomo
Comment:

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  • Extensions

    v6 v7  
    1111
    1212== Extension Implementation Issues ==
     13
     14=== Caching Tips ===
     15
     16Tahoe URIs may refer to either immutable or mutable content.  URIs for immutable data are simple to cache by mapping the URI to the contents.
     17
     18Mutability is independent of read-only capabilities.  A read-only capability may refer to mutable content.
     19
     20To determine the mutability of a URI, parse the second field of the URI (delimited by ':'):
     21
     22 * URI:CHK:...    : immutable
     23 * URI:LIT:...    : immutable
     24 * URI:DIR:...    : mutable, writable
     25 * URI:DIR-RO:... : mutable, not writable
     26
     27Note: Currently all files are immutable, and all directories are mutable, but in the future the node type (file or directory) and the mutability will be independent.  It's a bad idea to rely on the node type to determine mutability.
     28
    1329
    1430=== HTTP methods ===