[Gzz-commits] manuscripts/pointers article.rst

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Branch:         
Changes by:     Tuomas J. Lukka <address@hidden>        03/11/09 14:12:00

Modified files:
        pointers       : article.rst 

Log message:
        permanence to title; remove redundant intro; tigthen cfs

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/pointers/article.rst.diff?tr1=1.178&tr2=1.179&r1=text&r2=text

Patches:
Index: manuscripts/pointers/article.rst
diff -u manuscripts/pointers/article.rst:1.178 
manuscripts/pointers/article.rst:1.179
--- manuscripts/pointers/article.rst:1.178      Sun Nov  9 14:01:31 2003
+++ manuscripts/pointers/article.rst    Sun Nov  9 14:11:59 2003
@@ -1,5 +1,5 @@
 ===================================================================
-Towards a P2P Web: Versioning and permanence
+Towards a P2P Web: Versioning, interoperability and permanence
 ===================================================================
 
 .. XXX discuss briefly how to extend this to 
@@ -149,15 +149,17 @@
    requested for a period of time).
 
 
-In conclusion, in a filesharing system, a file remains accessible
-as long as there is a copy on any of the participating hosts;
-none of the above versioning systems have this property. XXX not true
-
-Thus, in these systems, when the original publisher loses interest
-and stops publishing a page, it disappears, even if
-someone else has kept a copy.
+..  In conclusion, in a filesharing system, a file remains accessible
+    as long as there is a copy on any of the participating hosts;
+    none of the above versioning systems have this property. XXX not true
 
-This is an important concern, as seen by the following example.
+    Thus, in these systems, when the original publisher loses interest
+    and stops publishing a page, it disappears, even if
+    someone else has kept a copy.
+
+...
+
+Permanence is an important concern, as seen by the following example.
 In 1997, NASA launched the Cassini-Huygens spacecraft
 on a mission to Saturn. Before the launch, the mission
 was widely criticized for its use of radioisotope
@@ -229,6 +231,9 @@
 one Web server (or a single set of servers) maintained
 by the publisher of a document.
 
+XXX INTEROPERABILITY, HTTP, ...
+BENEFITS NOT CLEAR FROM THIS DISCUSSION
+
 The remainder of this paper is structured as follows.
 In Section 2, we introduce pointer records.
 In Section 3, we present the Storm data model.
@@ -246,10 +251,11 @@
 is a file system based on Chord [stoica01chord]_, storing
 data in a distributed hashtable (DHT). CFS identifies
 different users' directory trees by the users' cryptographic keys;
-in its DHT, it stores mappings from these keys to the
-the current version of the user's tree. A node participating
-in the DHT will destructively update a mapping if the update message
-is signed with the appropriate key, and contains a timestamp
+and uses a DHT, to store the mapping from these keys to the
+the current version of a user's tree. 
+The mapping is destructively updated upon receipt of an
+update message that is
+signed with the appropriate key and contains a timestamp
 newer than that of the current version.
 In CFS, version information is stored only
 as long as the publisher regularly requests it to be kept;