Speed half what I had with previous ISP and can't use other Usenet providers.
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Speed half what I had with previous ISP and can't use other Usenet providers.
03-07-2009 5:04 PM
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Also, why am I having so much trouble connecting to other Usenet providers? In all the years I've been using Astraweb I can count the number of connection problems I've had on one hand. Since moving to PN I've had nothing but connection issues from day one. I'm well aware of the throttling of NNTP that takes place and was prepared for it, but I'm not even getting connections. When I do eventually get a connection the speed 99.9% of the time is a pathetic 3 or 4 Kbps (dial up speed), or I'll get the expected speed for the time of day but then it trickles to nothing and eventually just stops dead with a timeout. It is like this at all times. Like I say, I was prepared for the throttling but not to what I can only described as being "blocked".
ADDENDUM:
From the BT speed tester
Test1 comprises of Best Effort Test: -provides background information.
Your DSL connection rate: 3424 kbps(DOWN-STREAM), 448 kbps(UP-STREAM)
IP profile for your line is - 2500 kbps
Actual IP throughput achieved during the test was - 2217 kbps
Why such a low IP profile? I'm constantly being told my line is capable of 4Mbps+ and got this with my previous ISP with no problems, so how come I'm now on something not much better than a fixed 2Mbps line?
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
03-07-2009 5:58 PM
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Re: Speed half what I had with previous ISP and can't use other Usenet providers.
03-07-2009 7:30 PM
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The differences between your sync speeds will be as Pierre has suggested. The maximum upload on a BT Wholesale IPStream Max line is 448kbps (that is unless you pay extra for IPStream Max Premium). LLU providers tend to offer higher upload speeds (up to 832kbps).
Regarding your second point, the rate limits that are enforced on your account are used in conjunction with our traffic prioritisation. Your account type has binary Usenet in the lowest priority traffic queues.
From here:
[quote author="Help pages"]Ideal for web surfing and email. It is not suitable for frequent gaming, binary USENET, Peer-to-Peer, VPN, FTP or lots of music and video downloads.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
04-07-2009 1:42 PM
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Whilst I'm aware of the shaping for Usenet, and was prepared for it, this is not the problem. As I said, I can't get a connection to other providers to start with. It can take dozens and dozens of attempts (many hours at times) before I do eventually get one but the speed is nearly always a fraction of the expected speed for the time of day or night. I have no problems getting a connection to the PN server (via Giganews) and getting the expected speeds (with line speed on header downloads) but the others are now impossible to use. Whilst I'm not suggesting I'm being blocked, it seems to me whatever system you use to shape the speed is affecting the ability to get a connection to other providers. The few times I do have the same speed on the others as with the PN server, it never lasts. If it was with only one then I could put it down to a problem with them or with a peer, but I have five additional block accounts and a free Teranews account and it's the same with all of them. Whilst I'm not too bothered about the others as I've nearly used up my gigs and don't plan to buy any more, I have 81GB left with Astraweb.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
04-07-2009 2:00 PM
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Quote from: HiroUK Whilst I'm aware of the shaping for Usenet, and was prepared for it, this is not the problem. As I said, I can't get a connection to other providers to start with. It can take dozens and dozens of attempts (many hours at times) before I do eventually get one but the speed is nearly always a fraction of the expected speed for the time of day or night.
The expected speeds are the *maximum* that you can expect at any time and assume that the network is quiet enough to allow the lowest priority traffic queue its share of traffic. When the network is busy packets are dropped from these low priority queues and latency increases. If this is combined with a low rate limit then NNTP requests may well time out.
As I mentioned in my last reply, your account type is clearly marketed as not being suitable for binary Usenet downloads (this is basically *any* NNTP traffic from news provider that carries binaries).
Quote I have no problems getting a connection to the PN server (via Giganews) and getting the expected speeds (with line speed on header downloads) but the others are now impossible to use.
The PN news server does not carry binaries and is in the high priority 'Gold' traffic queue. The expectd speeds do not apply to this traffic although IIRC there is a 200kbps'ish rate limit on each thread to the servers (this aplies to all accounts types).
Quote Whilst I'm not suggesting I'm being blocked, it seems to me whatever system you use to shape the speed is affecting the ability to get a connection to other providers.
Yes, that is almost definitely what you're seeing.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
04-07-2009 2:21 PM
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Noise margin at +21.0 db
Attenuation at +30.0 db
Down:
Noise margin shifts between +14.0 db and 14.6 db
Attenuation at +52.6 db
I can't remember what they used to be with my previous ISP. I'm sure I've noted them in a post on their help forum at some point in the years I was with them so will see if I can track them down.
Latency mode says Fast for both up and downstreams. Interleave Depth says N.A. for both. It was different to this with my previous ISP.
If you need something else let me know and I'll see if it's available in the control panel.
Quote The PN news server does not carry binaries and is in the high priority 'Gold' traffic queue. The expectd speeds do not apply to this traffic although IIRC there is a 200kbps'ish rate limit on each thread to the servers (this aplies to all accounts types).
I'm a little confused by your statement that it doesn't carry binaries. I'm using the address given on the website (usenet.plus.net).
ADDENDUM:
And just to add, the speed shaping for Usenet isn't an issue for me as it was also throttled with my previous ISP. I can live with it as I'm not a big downloader. I was at one time, but not any more (other things have become more important). If I do decide to download something large I'm in no rush. It was the problem of getting a connection at all to my other providers that I needed help with.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
04-07-2009 2:26 PM
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Quote from: HiroUK Down: Noise margin shifts between +14.0 db and 14.6 db
Well that's the problem right there!
Your target SNRM is probably 15dB as otherwise you'd probably sync at over 4meg.
The question is why, and can it be improved? It may just be a matter of waiting, but that could take literally months.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
04-07-2009 3:11 PM
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Quote I notice that according to my modem control panel both the upstream and downstream are interleaved. Upstream is 4, downstream is 32.
ADDENDUM:
Something I have noticed on a few occasions whilst being with PN is that the ADSL Modulation sometime changes from G.dmt (what it's usually at) to ANSI T1.413 i2 in the status section. In the Line Setup section I have it set to Automatic, ITU G.dmt or G.lite preferred , the setting I was told to use by my previous ISP, so have left it at this. Does the change to the modulation, which sometimes happens after an ADSL disconnection make a difference?
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 2:20 PM
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There is the possibility you have a line problem which has developed (assuming you've not changed your internal wiring or equipment - had sky installed etc), which may not have affected you in the same way on LLU. Can you hear any crackling or other intermittent noise on your phone line?
Failing all that you'll need to try swapping a few things to eliminate possible causes. So that the exchange DLM doesn't think you have an ongoing line problem, powerdown the modem/router and wait a few minutes before removing anything that disconnects the modem/router from the line ie Master faceplate, filter, DSL cable etc. Avoid doing this more than about 5 times in an hour and then leave it alone for the rest of the day.
Connect to the test socket (behind the master socket removable face plate), this should isolate all your internal wiring. Try without a phone plugged in to start (then a corded phone). Try an alternative filter and/or modem/router if things don't improve.
Don't bother with speed throughput tests at the moment it's increase in sync speed an stability that's of main concern. Once the sync speed is up and stable it'll probably take a couple of days for your profile to increase, so then throughput increases.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 8:00 PM
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Quote from: HiroUK I'm a little confused by your statement that it doesn't carry binaries. I'm using the address given on the website (usenet.plus.net).
If you look at the list of groups available on the Plusnet news server, there are no binary groups; only text only groups are available.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 9:34 PM
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Quote from: Anotherone It could well do, which may cause some instability and dropped connections which may have been the cause of your Target SNRM being raised to 15dB. I'd set it to G.DMT permanently. Hopefully things will stabilise.
There is the possibility you have a line problem which has developed (assuming you've not changed your internal wiring or equipment - had sky installed etc), which may not have affected you in the same way on LLU. Can you hear any crackling or other intermittent noise on your phone line?
Nothing's been touched as far as my set up, etc. My friend is a BT engineer and he installed everything for me (he put on a proper ADSL socket rather than using them filters that just get in the way). Other than an issue last year when someone may have bumped the box at the end of the road with their car, I've had next to no problems with the line itself. No noise on the line, no problems with phone calls, etc.
Just to reiterate, before Tiscali bought out my old ISP a couple of years ago I wasn't on LLU. I moved from an ISP (Plusnet/Metronet) on BT Wholesale IPStream to and ISP on BT Wholesale IPStream. When I first moved to the MAX product from a fixed line speed I was still on BT Wholesale IPStream. Even then my actual throughput touched 3Mbps+. It was only after Tiscali took over and moved everyone over to their platform that my sync on the upstream increased to 736kbps last year and then again to 896kbps this year, as well as an increase in my downstream sync by another 1.5Mbps giving me download speeds of 4.2Mbps+.
So I'm not sure what could have happened for BT and PN to go from saying my line was capable of speeds up to 4Mbps before and during the migration to now saying it's only capable of 2Mbps some weeks later. Well, PN are saying this, the BT page still says I should expect speeds up to 4Mbps, something it said before I first moved to MAX some years ago from a fixed speed.
Quote Failing all that you'll need to try swapping a few things to eliminate possible causes. So that the exchange DLM doesn't think you have an ongoing line problem, powerdown the modem/router and wait a few minutes before removing anything that disconnects the modem/router from the line ie Master faceplate, filter, DSL cable etc. Avoid doing this more than about 5 times in an hour and then leave it alone for the rest of the day.
Connect to the test socket (behind the master socket removable face plate), this should isolate all your internal wiring. Try without a phone plugged in to start (then a corded phone). Try an alternative filter and/or modem/router if things don't improve.
I can ask my friend to do some checks when he comes back off holiday, but it's been my experience that whenever their has been any sort of speed or connection problem with my ADSL it has always ended up being ISP end.
Quote Don't bother with speed throughput tests at the moment it's increase in sync speed an stability that's of main concern. Once the sync speed is up and stable it'll probably take a couple of days for your profile to increase, so then throughput increases.
To be honest the drop doesn't make much difference. I don't play online games, or stream video, music, etc, and with Usenet being throttled I'm never going to reach line speed any way. And downloads from the web will only be as fast as the server they are on. It was just odd to see the speed so much lower compared to when I first moved to MAX and what I'd had since. Then to see PN now say my line is only capable of speeds up to 2Mbps after saying 4Mbps was even odder.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 9:59 PM
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Quote from: jelv
Quote from: HiroUK I'm a little confused by your statement that it doesn't carry binaries. I'm using the address given on the website (usenet.plus.net).
If you look at the list of groups available on the Plusnet news server, there are no binary groups; only text only groups are available.
How many groups do you get on usenet.plus.net then? That's the address it says to use on my Connection Details page.
ADDENDUM:
But on the below help page the address is different (news.plus.net), but it carries binary groups and binary files. There are actually over 109,000 groups on this server address and just like the other address it is an outsourced feed from Giganews. So if they are the two addresses I'm supposed to use but I'm only supposed to get text only groups, what gives. Maybe I should have kept my mouth shut.
And this is quoted from the Plusnet Value info page:
"Use Peer-to-Peer or Binary USENET to share files?
Check our Expected Speeds page to see what experience you'll get from Plusnet Value."
Even the expected speeds page gives expected speeds for Binary USENET, which comes with all package types.
Being told by yourself and a Plusnet Staff member that there are only text groups, no binaries, contradicts everything I've shown you ,which all comes from Plusnet's own site. Maybe you're both not aware of a change?
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 10:10 PM
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I have been thinking of buying an external router though, one I can connect to the LAN card that came with the PC. Any suggestions? It will be connected using an Ethernet cable as I'm really not bothered about being wireless, so one that isn't wireless would be fine.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 10:44 PM
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If you're thinking of going anywhere near Be in future get a V4 which has a Broadcom chipset, otherwise it doesn't matter much.
Re: Speed half what I had with previous ISP and can't use other Usenet providers.
05-07-2009 10:52 PM
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