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[Gzz-commits] manuscripts/pointers article.rst
From: |
Benja Fallenstein |
Subject: |
[Gzz-commits] manuscripts/pointers article.rst |
Date: |
Thu, 06 Nov 2003 10:49:42 -0500 |
CVSROOT: /cvsroot/gzz
Module name: manuscripts
Branch:
Changes by: Benja Fallenstein <address@hidden> 03/11/06 10:49:42
Modified files:
pointers : article.rst
Log message:
oceanstore
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/pointers/article.rst.diff?tr1=1.170&tr2=1.171&r1=text&r2=text
Patches:
Index: manuscripts/pointers/article.rst
diff -u manuscripts/pointers/article.rst:1.170
manuscripts/pointers/article.rst:1.171
--- manuscripts/pointers/article.rst:1.170 Thu Nov 6 10:40:02 2003
+++ manuscripts/pointers/article.rst Thu Nov 6 10:49:42 2003
@@ -135,7 +135,8 @@
information about past versions is not stored at all.
In *OceanStore* [kubiatowicz00oceanstore]_,
-an Internet-scale distributed data store that
+an Internet-scale distributed data store based
+on Tapestry [zhao01tapestry]_ that
allows users to access their files
from different locations, every document has a
*primary replica*, a small set of servers that
@@ -149,12 +150,13 @@
OceanStore is unique among the versioned P2P systems
in that it implements non-destructive updates,
allowing previous versions of documents to be accessed
-(by using their old heartbeats).
-In OceanStore, requesting a document's current version
-depends on querying its primary replica; when the primary
-replica ceases to function, the current version cannot be
-determined any longer (for some applications, this only happens
-30 seconds after the primary replica disappears).
+(by finding their old heartbeats through Tapestry).
+However, heartbeats are network-internal objects
+that do not exist at the file system interface
+presented to the user. Therefore, even in OceanStore,
+a user cannot simply download a version of a file
+and an associated heartbeat and store them on their
+harddisk to keep the version "alive."
.. [#consistencytime] Many applications
are believed to be able to cope with looser consistency
- [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, Tuomas J. Lukka, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/06
- [Gzz-commits] manuscripts/pointers article.rst,
Benja Fallenstein <=
- [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
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/10
- [Gzz-commits] manuscripts/pointers article.rst, Tuomas J. Lukka, 2003/11/10