Test - Worst Case
Scenario 1.
Heavily overloaded plug socket to bridge on another power circuit
Powerline Configuration Utility reports Poor Link Quality 0.90Mbps
SiSoftware Sandra
Host
Name : CAROL
IP Address : 192.168.123.140
Benchmark Breakdown
Average Latency : 6ms
Min/Max Latency : 4 / 42ms
Transfer Rate : 72kB/s
LanMark FileCopy: Version 8.2.197 2000-2001
Comments:
--Test Recorded on 02/05/2003 at 19:34:59
Test File Initial Size=[3.94] Mbytes/s
Test File Final Size=[3.94] Mbytes/s
Number Of Passes=[3]
--Send-- --Receive--
Min: 0.38 - 0.40 --MBits/s
Max: 0.43 - 0.42 --MBits/s
Avg: 0.41 - 0.41 --MBits/s
Pass Number1: Send =0.38 Receive =0.4 -MBits/s
Pass Number2: Send =0.43 Receive =0.42 -MBits/s
Pass Number3: Send =0.43 Receive =0.42 -MBits/s
--Test Finished on 02/05/2003 at 19:34:59
--Errors on Send=[0]
--Errors on Receive=[0]
----LanMark Pro: Layer 1 Software, 2000-2001 all rights reserved.----
NetIQ UDP Streaming
Settings
From (Endpoint 1) localhost
To (Endpoint 2) LYNDONVAIO
Protocol UDP
Start Time 02/05/2003 19:51:55
Stop Time 02/05/2003 19:52:26
Send Data Rate 0.240 Mbps
Send Duration 30 seconds
Streaming Results
Lost Data 603 bytes (1.9%)
Actual Throughput 0.235 Mbps
In our worst case situation the network crawled to less than 100kB/s in both test sets. In all honesty this is a pretty nasty speed even for wireless, in fact most US internet connections are twice as fast as the top result (Sandra), and here in the UK a 512kbit cable/dsl connection is only just slower than these results.
Latency is quite good on the other hand, as expected because the connection is via wires. Because of this low latency this bad connection is still good for online gaming and LAN games as you dont need huge uploads and downloads for gaming.
Despite the scores being pretty darn awful, only just good enough for broadband web browsing and light file sharing over LAN, I have to say this is a very rare setup. There are seven very power hungry devices connected to the same plug socket plus another five less powerful things.
Devices being used during test include:
1 x PC
1 x Monitor
1 x Hifi
1 x Router
1 x Cable Modem
1 x Switch
1 x Lava Lamp
Considering the powerline is the medium being used to transmit data, there is a huge amount of noise being produced at this end, plus the bridge is connected to another switch at the other end of the house (approx 100m of cable) on a completely different power circuit only being connected at the fuse box. To get a connection at all is a miracle.
Just a quick note about the UDP streaming. I have run this test just once as it proves that we can play online games which can use UDP streaming. 0.235Mbps transposes to around 30Kbyte/sec.
You think this is bad..? You should see the other half.
