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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]_,
- [Gzz-commits] manuscripts/pointers article.rst, (continued)
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst,
Tuomas J. Lukka <=
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Benja Fallenstein, 2003/11/08
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/09
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/09
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/09
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/10