Plusnet tbb BQMs. Mine in my sig.
Plusnet has 20 gateways, and depending which you are on at any given time the latency can be different by a few ms. You can easily determine which you are on, and usually move to a different one by simply closing your PPP session and reopening.
C:\Users\Bob>ping
www.bbc.co.uk
Pinging
www.bbc.net.uk [212.58.244.69] with 32 bytes of data:
Reply from 212.58.244.69: bytes=32 time=13ms TTL=55
Reply from 212.58.244.69: bytes=32 time=14ms TTL=55
Reply from 212.58.244.69: bytes=32 time=14ms TTL=55
Reply from 212.58.244.69: bytes=32 time=14ms TTL=55
Ping statistics for 212.58.244.69:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 13ms, Maximum = 14ms, Average = 13ms
Tracing route to
www.bbc.net.uk [212.58.244.68]
over a maximum of 30 hops:
1 1 ms 1 ms 1 ms 192.168.1.254
2 15 ms 14 ms 26 ms lo0-central10.ptw-ag02.plus.net [195.166.128.196
]
3 14 ms 16 ms 13 ms link-b-central10.ptw-gw02.plus.net [212.159.2.15
0]
4 16 ms 13 ms 14 ms xe-0-2-0.ptw-cr02.plus.net [212.159.0.250]
5 13 ms 13 ms 13 ms ae2.ptw-cr01.plus.net [195.166.129.4]
6 13 ms 13 ms 13 ms kingston-gw.thdo.bbc.co.uk [212.58.239.6]
7 * * * Request timed out.
8 * * * Request timed out.
9 17 ms 13 ms 13 ms ae0.er01.telhc.bbc.co.uk [132.185.254.109]
10 15 ms 14 ms 14 ms 132.185.255.149
11 14 ms 13 ms 13 ms bbc-vip113.telhc.bbc.co.uk [212.58.244.68]
Trace complete.
That's on Fast Path. As has been suggested, your ISP has no basic control over whether you are on Fast Path or Interleaved, and on some connections it can fluctuate. At least with the Openreach DLM it does revert to Fast Path from Interleaved if there has been a noise burst that doesn't recur, whereas the BT Wholesale ADSLx DLM used to stay on Interleaving once invoked.
Sky FTTC is also subject to the Openreach DLM. It is only "LLU" from the exchange to Sky.
If the DLM adds interleaving the normal initial latency step is 8ms up.
My broadband basic info/help site - www.robertos.me.uk |
Domains,site and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 56.6/14.1Mbps @ 600m. -
BQM
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Edited by RobertoS (Thu 21-Aug-14 13:31:59)