NDT-DEV email list created

Revision: 568
Author:   

Date:     Wed Aug 31 09:16:29 2011
Log:      Added Ethernet link (Fast Ethernet) heuristic description.
http://code.google.com/p/ndt/source/detail?r=568

Modified:
 /wiki/NDTTestMethodology.wiki

=======================================
--- /wiki/NDTTestMethodology.wiki       Wed Aug 31 06:35:58 2011
+++ /wiki/NDTTestMethodology.wiki       Wed Aug 31 09:16:29 2011
@@ -130,10 +130,6 @@

 The following link type detection heuristics are run only when there is no  
duplex mismatch condition detected and the measured throughput value is the  
same or smaller than the estimate (which is a correct situation).

-==== IEEE 802.11 (!WiFi) ====
-
-==== Ethernet link (Fast Ethernet) ====
-
 ==== DSL/Cable modem ====

 The link is treated as a DSL/Cable modem when all of the following  
conditions are met:
@@ -142,6 +138,18 @@
  * The web100 measured speed *is less than 2000000 bits per second*
  * The web100 measured speed *is less than estimate*

+==== IEEE 802.11 (!WiFi) ====
+
+==== Ethernet link (Fast Ethernet) ====
+
+The link is treated as an Ethernet link (Fast Ethernet) when all of the  
following conditions are met:
+ * The heuristics for !WiFi and DSL/Cable modem links *give negative  
results*
+ * The web100 measured speed *is less than 9500000 bits per second*
+ * The web100 measured speed *is greater than 3000000 bits per second*
+ * The S2C throughput test measured speed *is less than 9500000 bits per  
second*
+ * The proportion of the number of multiplicative downward congestion  
window adjustments to the total number of segments sent *is less than 1%*
+ * The proportion of the duplicate ACKs received to the overall number of  
valid pure ACKs received *is less than 3.5%*
+
 === Faulty Hardware Link Detection ===

 === Full/Half Link Duplex Setting ===