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[Gzz-commits] manuscripts/pointers article.rst


From: Tuomas J. Lukka
Subject: [Gzz-commits] manuscripts/pointers article.rst
Date: Thu, 06 Nov 2003 10:32:02 -0500

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Branch:         
Changes by:     Tuomas J. Lukka <address@hidden>        03/11/06 10:32:02

Modified files:
        pointers       : article.rst 

Log message:
        twid

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/pointers/article.rst.diff?tr1=1.168&tr2=1.169&r1=text&r2=text

Patches:
Index: manuscripts/pointers/article.rst
diff -u manuscripts/pointers/article.rst:1.168 
manuscripts/pointers/article.rst:1.169
--- manuscripts/pointers/article.rst:1.168      Thu Nov  6 10:23:26 2003
+++ manuscripts/pointers/article.rst    Thu Nov  6 10:32:02 2003
@@ -125,14 +125,14 @@
 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;
-it stores in its DHT mappings from these keys to the
-the current version of the tree. A node participating
-in the DHT will update a mapping if the update message
+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
 newer than that of the current version.
-In CFS, version information is stored in the DHT, and only
+In CFS, version information is stored only
 as long as the publisher regularly requests it to be kept;
-information about past versions isn't stored at all.
+information about past versions is not stored at all.
 
 In *OceanStore* [kubiatowicz00oceanstore]_, 
 an Internet-scale distributed data store that 
@@ -140,11 +140,11 @@
 from different locations, every document has a 
 *primary replica*, a small set of servers that
 maintain the current version of the document.
-To make the connection between document and version,
+To make the connection between a document and a version,
 the primary replica signs *heartbeats*, tuples
 containing a document id, the hash of a version,
-a timestamp and a serial version number.
-To obtain the most current version, one sends a request
+a timestamp and a serial number.
+To obtain the most current heartbeat, one sends a request
 to the primary replica [#consistencytime]_. 
 OceanStore is unique among the versioned P2P systems
 in that it implements non-destructive updates,
@@ -158,7 +158,7 @@
 
 .. [#consistencytime] Many applications
    are believed to be able to cope with looser consistency
-   semantics; for example, the NFS client for CFS only requests
+   semantics; for example, the NFS client for OceanStore only requests
    new heartbeats less than 30 seconds old.
 
 *Freenet*, a P2P network for anonymous publication [freenet-ieee]_,




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