60 |
Pointer records, like other files, can be downloaded from any peer |
Pointer records, like other files, can be downloaded from any peer |
61 |
that has a copy. We can find all available pointer records for a document |
that has a copy. We can find all available pointer records for a document |
62 |
through the same mechanism we use to find files in the peer-to-peer network |
through the same mechanism we use to find files in the peer-to-peer network |
63 |
(for example, a distributed hashtable). This way, versions of a document |
(for example, a distributed hashtable). |
64 |
|
To find the newest version, we look for the most recent timestamp. |
65 |
|
This way, versions of a document |
66 |
stay available as long as anybody keeps a copy. |
stay available as long as anybody keeps a copy. |
67 |
|
|
68 |
.. raw:: latex |
.. raw:: latex |