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[Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert...
From: |
Hermanni Hyytiälä |
Subject: |
[Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert... |
Date: |
Wed, 05 Mar 2003 06:58:00 -0500 |
CVSROOT: /cvsroot/gzz
Module name: gzz
Changes by: Hermanni Hyytiälä <address@hidden> 03/03/05 06:57:58
Modified files:
Documentation/misc/hemppah-progradu: masterthesis.tex
Log message:
More problems overview
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/misc/hemppah-progradu/masterthesis.tex.diff?tr1=1.114&tr2=1.115&r1=text&r2=text
Patches:
Index: gzz/Documentation/misc/hemppah-progradu/masterthesis.tex
diff -u gzz/Documentation/misc/hemppah-progradu/masterthesis.tex:1.114
gzz/Documentation/misc/hemppah-progradu/masterthesis.tex:1.115
--- gzz/Documentation/misc/hemppah-progradu/masterthesis.tex:1.114 Wed Mar
5 06:31:31 2003
+++ gzz/Documentation/misc/hemppah-progradu/masterthesis.tex Wed Mar 5
06:57:58 2003
@@ -1772,7 +1772,7 @@
from fragments of data.
In the xanalogical storage model, each fragment of data is identified by a
globally
-unique identifier. In Fenfire, data fragments are scroll blocks of Storm
storage module.
+unique identifier. In Fenfire, data fragments are scroll blocks, generated by
Storm storage module.
As we discussed already in chapter 4, Fenfire's Storm design
uses SHA-1 \footnote{SHA-1 is considered a collision free hash function.
Therefore, it is
very unlikely that two different Storm scroll blocks would have same
identifier.}
@@ -1781,7 +1781,7 @@
throughout the Peer-to-Peer overlay. Our task is to locate and fetch
(i.e. obtain) \emph{all} Storm scroll blocks, associated to a specific
''virtual
file'', from Peer-to-Peer overlay as efficiently as possible. In addition to
-\emph{direct} scroll block obtaining using globally unique identifier of Storm
block,
+\emph{direct} scroll block obtaining using globally unique identifier of Storm
scroll block,
we also must support \emph{indirect} obtaining of Storm scroll block using
pointer blocks.
Some research regarding to these problem has been made by Lukka et al.
@@ -1789,20 +1789,21 @@
xanalogical model in Peer-to-Peer enviroment with globally unique identifiers.
Lukka et al.
use Freenet \cite{clarke00freenet} as a example Peer-to-Peer system supporting
globally unique identifiers. This thesis presented here extends their work by
-evaluating different Peer-to-Peer approaches more extensively to Fenfire's
needs.
-Additionally, related to non-xanalogical hypermedia systems, Thompson and de
Roure
-\cite{thompson01hypermedia} have studied locating documents and links in
Peer-to-Peer
-environment. Bouving \cite{bouvin02openhypermedia} has done initial work
regarding
+evaluating different Peer-to-Peer approaches more extensively to Fenfire's
needs.
-
-In the following sections, we don't respond to security issues. We assume
-that either system has a reliable techique for identifying invidual entities,
or
-there are no hostile entities in the system.
-
-
-
-\cite{wiil02p2phypertext}
-
+Additionally, related to non-xanalogical hypermedia systems, Bouving
+\cite{bouvin02openhypermedia} has done initial work regarding ways in which
+Peer-to-Peer can used in non-xanalogical hypermedia systems. Thompson and de
Roure
+\cite{thompson01hypermedia} have studied locating documents and links in
Peer-to-Peer
+environment. At the Hypertext '02 panel, moderated by Wiil
\cite{wiil02p2phypertext},
+participants responded whether Peer-to-Peer systems are suitable for hypermedia
+publishing or not.
+
+In the following sections we assume that we know the structure of ''virtual
file'' before hand,
+i.e. when assmbling a ''virtual file'', we know all Storm scroll/pointer
blocks, which are required
+when building the ''virtual file''. Also, we don't respond to security issues
related to Peer-to-Peer
+systems. We assume that Fenfire has a reliable techique for identifying
invidual entities, or
+there are no hostile entities among participating peers.
\section{Objectives}
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., (continued)
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/04
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/04
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/04
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/04
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/04
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert...,
Hermanni Hyytiälä <=
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/05
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06
- [Gzz-commits] gzz/Documentation/misc/hemppah-progradu mastert..., Hermanni Hyytiälä, 2003/03/06