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[Gzz-commits] manuscripts/pointers article.rst


From: Hermanni Hyytiälä
Subject: [Gzz-commits] manuscripts/pointers article.rst
Date: Mon, 27 Oct 2003 12:27:38 -0500

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Branch:         
Changes by:     Hermanni Hyytiälä <address@hidden>      03/10/27 12:27:37

Modified files:
        pointers       : article.rst 

Log message:
        more related work

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/pointers/article.rst.diff?tr1=1.19&tr2=1.20&r1=text&r2=text

Patches:
Index: manuscripts/pointers/article.rst
diff -u manuscripts/pointers/article.rst:1.19 
manuscripts/pointers/article.rst:1.20
--- manuscripts/pointers/article.rst:1.19       Mon Oct 27 12:09:31 2003
+++ manuscripts/pointers/article.rst    Mon Oct 27 12:27:37 2003
@@ -148,45 +148,48 @@
 
 PAST [rowstron01storage]_ is a persistent storage system that use 
 [rowston01pastry]_ for locating data in a Peer-to-Peer environment.
-Nodes and data items are distributed uniformly based on the hash identifier
-in a PAST network. Free Haven [dingledine00free]_ provides a distributed 
-anonymous storage. It uses both cryptography and routing techniques to 
-provide anonymity for the participating peers and splits a file to shares
-that are distributed in a network.  Both PAST and Free Haven do not have a 
-model for updating data items in the system.
-
+Nodes and data items are distributed uniformly based on the hash 
+identifier in a PAST network. Free Haven [dingledine00free]_ 
+provides a distributed anonymous persistent data storage. It uses 
+both cryptography and routing techniques to provide anonymity for 
+the participating peers and splits a file to a number of shares 
+which are distributed through a network. Because of persistency 
+commitment both PAST and Free Haven do not have a model for 
+updating data items in the system.
 
 Centralized versioning model
 ----------------------------
 
-- Centralized updates:
-
   - SFS &c; destructive updates
-  - Publius focuses on anonymity (apparently); destructive updates   
   
   
+Like Free Haven, Publius [pub00]_ focuses on anonymity of the
+participating nodes. Compared to Free Haven, however, Publius
+has a support for destructive updates. An issue with Publius
+is that it requires a globally maintained list of participating
+nodes currently available in a system.
   
-OceanStore [kubiatowicz00oceanstore]_ is a global storage system based
-on Tapestry [zhao01tapestry]_ routing algorithm. It supports non-destructive, 
-linearly versioned updates through a centralized Byzantine agreement protocol. 
+OceanStore [kubiatowicz00oceanstore]_ is a global storage system 
+based on Tapestry [zhao01tapestry]_ routing algorithm. It 
+supports non-destructive, linearly versioned updates through a 
+centralized Byzantine agreement protocol. 
       
   
 Network-level destructive versioning
 ------------------------------------
 
-Freenet [freenet-ieee]_ uses probabilistic routing scheme to preserve
-the anominy of the participating nodes in the networks.
+Freenet [freenet-ieee]_ uses probabilistic routing scheme to 
+preserve the anominy of the participating nodes in the networks.
     
   - SFR (apparently)
-  - CFS 
 
-CFS [dabek01widearea]_ is based on Chord [stoica01chord]_ and stores data 
-blocks, i.e., fragments of files, and spreads blocks uniformly over the 
-network based on identifier of a block.
+CFS [dabek01widearea]_ is based on Chord [stoica01chord]_ and 
+stores data blocks, i.e., fragments of files, and spreads 
+blocks uniformly over the network based on identifier of a block.
     
   
-We conclude that existing peer-to-peer don't provide all the benefits of 
-hash-based addressing scheme.
+We conclude that existing peer-to-peer don't provide all the 
+benefits of hash-based addressing scheme.
 
 
 Basic model




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