Argonne NDT Server Test

Here's my favorite test site results....I've highlighted a few spots that I find interesting.

Approx 1212 on March 16, 2008

WEB100 Enabled Statistics:
Checking for Middleboxes . . . . . . . . . . . . . . . . . . Done
checking for firewalls . . . . . . . . . . . . . . . . . . . Done
running 10s outbound test (client-to-server [C2S]) . . . . . 454.0kb/s
running 10s inbound test (server-to-client [S2C]) . . . . . . 2.89Mb/s

------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.6.0_03

------ Web100 Detailed Analysis ------
Cable modem/DSL/T1 link found.
Link set to Full Duplex mode
No network congestion discovered.
Good network cable(s) found
Alarm: Duplex Mismatch condition detected Switch=Full and Host=half

Web100 reports the Round trip time = 100.42 msec; the Packet size = 1380 Bytes; and
There were 78 packets retransmitted, 207 duplicate acks received, and 171 SACK blocks received
The connection stalled 3 times due to packet loss
The connection was idle 0.84 seconds (8.39%) of the time
C2S throughput test: Packet queuing detected: 1.66%
S2C throughput test: Packet queuing detected: 1.30%
This connection is sender limited 1.60% of the time.
This connection is network limited 98.39% of the time.

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: ON

Server 'miranda.ctd.anl.gov' is probably behind a firewall. [Connection to the ephemeral port failed]
Client is probably behind a firewall. [Connection to the ephemeral port failed]
Information: Network Middlebox is modifying MSS variable
Server IP addresses are preserved End-to-End
Client IP addresses are preserved End-to-End