[Gzz-commits] gzz/Documentation/misc/hemppah-progradu existin...

[Hermanni Hyytiälä]

CVSROOT:        /cvsroot/gzz
Module name:    gzz
Changes by:     Hermanni Hyytiälä <address@hidden>      02/10/31 09:03:35

Modified files:
        Documentation/misc/hemppah-progradu: existing_systems_overview 

Log message:
        Little changes (Pastry, misc. notes) added

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/gzz/Documentation/misc/hemppah-progradu/existing_systems_overview.diff?tr1=1.2&tr2=1.3&r1=text&r2=text

Patches:
Index: gzz/Documentation/misc/hemppah-progradu/existing_systems_overview
diff -u gzz/Documentation/misc/hemppah-progradu/existing_systems_overview:1.2 
gzz/Documentation/misc/hemppah-progradu/existing_systems_overview:1.3
--- gzz/Documentation/misc/hemppah-progradu/existing_systems_overview:1.2       
Thu Oct 31 03:15:01 2002
+++ gzz/Documentation/misc/hemppah-progradu/existing_systems_overview   Thu Oct 
31 09:03:35 2002
@@ -59,6 +59,14 @@
 -Employs randomness to achieve both load distribution and routing 
 locality
 
+2.4. Pastry
+
+-Project of Microsoft reasearch ("interesting")
+-Peer-to-Peer anonymous storage
+-Location protocol sharing many similarities with Tapestry
+-Objects are replicated without any permission of the owner
+
+
 
 2.3. Gnutella
 
@@ -116,6 +124,11 @@
 -Search mechanisms are unscalable: a great amount of loads are generated 
 on the network during search requests
 
+Miscellaneous notes:
+
+-Object's popularity: studies have shown that Napster, Gnutella and Web 
+queries follow Zipf-like distributions (1/2, 1/3, 1/4 etc.) [3, 4]
+
 
 Bibliography:
 
@@ -124,3 +137,8 @@
 
 [2] Lv, Qin, Cao Pei, Cohen Edith, Li Kai, Shenker Scott, Search and 
 Replication in Unstructured Peer-to-Peer Networks
+
+[3] Aiello W., A Random graph model for massive graphs
+
+[4] Sripanidkulchai K., The popularity of gnutella queries and its 
+implications on scalability