Re: Internet speed and page loading problems ?

2007-01-19 Thread Dotan Cohen

On 19/01/07, Oron Peled [EMAIL PROTECTED] wrote:

On Friday, 19 בJanuary 2007 00:22, Dotan Cohen wrote:
 I was thinking along the lines of log files filling up

logrotate?

 and dns cache files filling up.

What dns cache files? AFAIK, named(8) has a memory cache only.
[even if it did have disk cache, isn't simpler to trim cache files
 than reinstall your operating system :-O



I'm not so good at CS- non of us Mechanical ENgineering types are :) I
just figured that if things were slowing down the likelyhood of the
problem being on my end of the cable was greater.

Now let's assume that I'm wrong. So I'll call Actocom and tell them:
Hi Actom, Dotan speaking. I have no benchmark figures other than
Shimi's speed test to go by, but I think that my net connection is
slower than usual. Actually, Shimi's says that it's the same as it
always was. I think that I'm experiencing latency. Please fix

And Alex (or Sergei, or Boris) will say:
Everything is fine with our systems, must be something with your computer

And being how I know not so much about networks, and therefore can
bring no smart argument, I'll say OK, thanks.

So, what CAN I tell them? I need a smart argument, not a well I think
it's slower argument. Better yet, what can I check to PROVE that
there is a problem on their end?

Thanks.

Dotan Cohen

http://technology-sleuth.com/long_answer/what_is_hdtv.html
http://what-is-what.com/what_is/black_light.html


Re: Internet speed and page loading problems ?

2007-01-19 Thread Oron Peled
On Friday, 19 בJanuary 2007 14:04, Dotan Cohen wrote:
 So, what CAN I tell them? I need a smart argument, not a well I think
 it's slower argument. Better yet, what can I check to PROVE that
 there is a problem on their end?

Instead of trying to prove, you can try to use simple tools
that would give you a rough idea if there is an exceptional problem
and where is its probable location:
 1. Check the round trip time when you ping various targets (your
ISP mail server, some big Israeli sites, some big US sites, etc.)
 2. Even better, traceroute the same addresses and see where you
accumulate the biggest latencies (the 'ms' numbers in the end
of each line).
 3. Even easier to use is 'mtr' (a combination of ping and traceroute).

Note that this only give you *latencies* and not *bandwidth*, however
if your performance dropped significantly, it'll probably show in
the latency as well.

-- 
Oron Peled Voice/Fax: +972-4-8228492
[EMAIL PROTECTED]  http://www.actcom.co.il/~oron
ICQ UIN: 16527398

Windows is NOT a virus: a virus is small and efficient.
 --Jonathan Leffler, Informix

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Re: Internet speed and page loading problems ?

2007-01-19 Thread Oded Arbel
On Fri, 2007-01-19 at 15:06 +0200, Geoffrey S. Mendelson wrote:
 If you spend most of your time browsing the web, you can do the following
 to speed things up:
 3. Limit the size of your disk cache, but note that it does limit the
size of files you can download with the browser with some browsers.

How come ? downloads are not going into the cache - they're downloads.
Even if they'd somehow would supposedly need to go into the cache, I'm
sure that any browser software is not stupid enough to forbid a download
just because it can't get into the cache: it will instead simply not
cache it.

Also - limiting the size of your cache will much more likely cause your
web browsing to be slower, check out your next suggestion:

 4. If you share your connection among several computers, install
 and use Squid.

i.e. - increasing disk cache will increase performance.

--
Oded
::..
Bernard Shaw is an excellent man; he has not an enemy in the world, and
none of his friends like him either.
-- Oscar Wilde




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Re: Internet speed and page loading problems ?

2007-01-18 Thread Peter


On Thu, 18 Jan 2007, Jonathan Ben Avraham wrote:


Hi Peter,
I've noticed these problems also. Seems to come and go. We are also using 
Actcom.


It is not just actcom, I checked 3 providers, in the country and out of 
it. All had problems. Maybe a backbone router died or something.


Peter

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Re: Internet speed and page loading problems ?

2007-01-18 Thread Micha Silver



Jonathan Ben Avraham wrote:


Hi Peter,
I've noticed these problems also. Seems to come and go. We are also 
using Actcom.


 - yba



Actcom was purchased by Bezeq Ben-leumi. Maybe this is the result??


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Re: Internet speed and page loading problems ?

2007-01-18 Thread Shachar Shemesh
Micha Silver wrote:
 Actcom was purchased by Bezeq Ben-leumi. Maybe this is the result??
Let's not start the FUD, shall we?

In Equal Rites, by Terry Pratchett, an old witch is teaching an
apprentice witch the secrets of the trade. She comes to the subject of
curses. The quote goes, loosely:
One day you, too, will have to curse. Make it long. Make it
unpronounceable. Make it up if you have to. The next day, when his
finger is hit by an accidental hammer, he'll remember your course.

Just to set the record straight, Actcom was not, yet, purchased by
anyone. The deal is awaiting the approval of the government. If the
relevant branch (not sure which one it is, probably in the chamber of
commerce) decide that there is danger that such a merger will reduce the
competition in Israel dangerously low then the deal will not be approved
at all.

Until the deal is approved (and, probably, for some time after it's
approved) you see absolutely no change in anything regarding service
from the company. I think it's fairly safe to say that whatever the
problem is, whether it's a problem on Peter's computer, in the
infrastructure, or at Actcom's, it has nothing to do with the planned
acquisition.

Shachar

-- 
Shachar Shemesh
Lingnu Open Source Consulting ltd.
Have you backed up today's work? http://www.lingnu.com/backup.html


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Re: Internet speed and page loading problems ?

2007-01-18 Thread Geoffrey S. Mendelson
On Thu, Jan 18, 2007 at 10:32:39AM +0200, Shachar Shemesh wrote:
 Until the deal is approved (and, probably, for some time after it's
 approved) you see absolutely no change in anything regarding service
 from the company.

That's an interesting point, but IMHO completely wrong. You are assuming
that announcing the deal had no effect on ActCom. For example, I will
NEVER purchase anything that comes from BEZEQ International (BBL). If
they become the ONLY company selling Internet access in the country, I'll
live without it.

Since my yearly contract with HOT and Netvision is up this month, and my
connection has deteriorated in terms of staying up, from one failure
every other month, to three or four a week, I'm looking for alternatives.

Now that the possibility exists that if I sign up with ActCom, I'll end
up with BBL, they are no longer under consideration.

While I doubt that most people don't feel as strongly as I do, there are
lots of people out there who won't use their services. If they were
considering a new ISP, they won't consider ActCom, if they were ActCom
customers and their contract is up, they will change ISPs.

This will cause ActCom's income to go down, which means they will have to 
reduce their expenses. One thing you don't want to do is to have lower
profits when you are trying to sell your company. Since most people have
no idea of what performance they get, or are supposed to get, the first
thing ActCom will do is to reduce the international bandwidth they buy.

This has probably started already, and will continue.

Geoff.

-- 
Geoffrey S. Mendelson, Jerusalem, Israel [EMAIL PROTECTED]  N3OWJ/4X1GM
IL Voice: (07)-7424-1667  Fax ONLY: 972-2-648-1443 U.S. Voice: 1-215-821-1838 
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Re: Internet speed and page loading problems ?

2007-01-18 Thread Peter


On Thu, 18 Jan 2007, Micha Silver wrote:


Actcom was purchased by Bezeq Ben-leumi. Maybe this is the result??


I knew that. And the other two providers ?

Peter

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Re: Internet speed and page loading problems ?

2007-01-18 Thread Peter


On Thu, 18 Jan 2007, Geoffrey S. Mendelson wrote:


This has probably started already, and will continue.


I do not agree. The bandwidth contracts cannot be cut at such short 
notice. Also the problems affected everyone (3 providers) during the 
time I was complaining about. The problems seem to be caused by high 
load (dropped packets) and maybe misconfig on the backbone switches and 
routers (which should be set up to put torrent streaming traffic where 
it belongs, at equal bandwidth with other services - as you know a 
torrent download will connect simultaneously to several hosts and pull 
data as fast as it can, and may drop and reconnect several times as the 
network can't cope or slows down). The bittorrent issue could be partly 
responsible.


Peter

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Re: Internet speed and page loading problems ?

2007-01-18 Thread Dotan Cohen

On 18/01/07, Geoffrey S. Mendelson [EMAIL PROTECTED] wrote:

On Thu, Jan 18, 2007 at 10:32:39AM +0200, Shachar Shemesh wrote:
 Until the deal is approved (and, probably, for some time after it's
 approved) you see absolutely no change in anything regarding service
 from the company.

That's an interesting point, but IMHO completely wrong. You are assuming
that announcing the deal had no effect on ActCom. For example, I will
NEVER purchase anything that comes from BEZEQ International (BBL). If
they become the ONLY company selling Internet access in the country, I'll
live without it.

Since my yearly contract with HOT and Netvision is up this month, and my
connection has deteriorated in terms of staying up, from one failure
every other month, to three or four a week, I'm looking for alternatives.

Now that the possibility exists that if I sign up with ActCom, I'll end
up with BBL, they are no longer under consideration.

While I doubt that most people don't feel as strongly as I do, there are
lots of people out there who won't use their services. If they were
considering a new ISP, they won't consider ActCom, if they were ActCom
customers and their contract is up, they will change ISPs.

This will cause ActCom's income to go down, which means they will have to
reduce their expenses. One thing you don't want to do is to have lower
profits when you are trying to sell your company. Since most people have
no idea of what performance they get, or are supposed to get, the first
thing ActCom will do is to reduce the international bandwidth they buy.

This has probably started already, and will continue.

Geoff.



I've actually been very happy with Actcom. I've got my own static IP
address and a 1.5 MB line for 40 shaH a month. Before I had a router,
they help me set up scripts to connect me to the 'net. If Bezek buys
them I'll stay so long as it's Actcom representatives that I deal with
and not Bezek idiots. However, the day I call them and someone answers
the phone with the word Bezek in their mouth, I'm gone.

That said, I've noticed a slowdown of my net access over the past few
weeks. I thought that it was entrophy building up in my distro, and
that the time had come to reinstall.

Dotan Cohen

http://lyricslist.com/lyrics/artist_albums/627/ziro.html
http://slashedot.org

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Re: Internet speed and page loading problems ?

2007-01-18 Thread Oron Peled
On Thursday, 18 בJanuary 2007 16:46, Dotan Cohen wrote:
 That said, I've noticed a slowdown of my net access over the past few
 weeks. I thought that it was entrophy building up in my distro, and
 that the time had come to reinstall.

Care to explain? How exactly does entropy build up in your distro?
Disk fragmentation I can understand, but a re-installation that
would accelerate your packets is some new theory I haven't heard of.

-- 
Oron Peled Voice/Fax: +972-4-8228492
[EMAIL PROTECTED]  http://www.actcom.co.il/~oron
ICQ UIN: 16527398

.. Complex problems have simple, easy to understand wrong answers.

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Re: Internet speed and page loading problems ?

2007-01-18 Thread Oded Arbel
On Thu, 2007-01-18 at 13:39 +0200, Geoffrey S. Mendelson wrote:
 Companies that are also long distance carriers split their bandwidth between
 telephone and Internet service. They adjust it on the fly to keep the phones
 working. When there are lots of calls in progress, Internet bandwidth is
 decreased.

I would argue that there are ISPs in Israel which have lines dedicated
to internet as they are not telephony carriers, but this really isn't
the case anymore, right ? ;-)

 If at their main routers, an ISP lowers the peak useage available to their 
 Internet customers, their throughput and peak useage charges go down.
 This does not require a contract change, notification of customers, etc.

As far as I know, the actual pipes leading out of Israel (fiber and
satellites) are far from being fully utilized (I no longer have up to
date figures, but I'd be surprised if int'l connectivity is at over 50%
capacity), and its cheaper to get more bandwidth on demand then lower
throughput to customers, in case of unexpected usage peaks.

--
Oded
::..
Self test for paranoia:
You know you have it when you can't think of anything that's your own
fault.


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Re: Internet speed and page loading problems ?

2007-01-18 Thread Dotan Cohen

On 18/01/07, Oron Peled [EMAIL PROTECTED] wrote:

On Thursday, 18 בJanuary 2007 16:46, Dotan Cohen wrote:
 That said, I've noticed a slowdown of my net access over the past few
 weeks. I thought that it was entrophy building up in my distro, and
 that the time had come to reinstall.

Care to explain? How exactly does entropy build up in your distro?
Disk fragmentation I can understand, but a re-installation that
would accelerate your packets is some new theory I haven't heard of.



I was thinking along the lines of log files filling up and dns cache
files filling up. What do I know about that stuff? :)

But until I prove otherwise, I always assume that the fault lies with
myself and my system rather than the providers of services. Certainly
there are problems that I don't know about that could cause my net
access to appear slower with time. Even something as simple as adding
too many Firefox extensions can have that effect.

Dotan Cohen

http://what-is-what.com/what_is/ram.html
http://lyricslist.com/lyrics/artist_albums/664/p-funk.html


Re: Internet speed and page loading problems ?

2007-01-18 Thread Oded Arbel
On Thu, 2007-01-18 at 21:42 +0200, Oron Peled wrote:
 On Thursday, 18 בJanuary 2007 16:46, Dotan Cohen wrote:
  That said, I've noticed a slowdown of my net access over the past few
  weeks. I thought that it was entrophy building up in my distro, and
  that the time had come to reinstall.
 
 Care to explain? How exactly does entropy build up in your distro?
 Disk fragmentation I can understand, but a re-installation that
 would accelerate your packets is some new theory I haven't heard of.

I thought its obvious from the second law of thermodynamics ?

--
Oded
::..
Software is like Entropy: it's hard to grasp, weighs nothing and obeys
the Second Law of Thermodynamics, i.e. it always increases 
-- Norman Augustine 



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Re: Internet speed and page loading problems ?

2007-01-18 Thread Geoffrey S. Mendelson
On Fri, Jan 19, 2007 at 12:18:23AM +0200, Oded Arbel wrote:
 As far as I know, the actual pipes leading out of Israel (fiber and
 satellites) are far from being fully utilized (I no longer have up to
 date figures, but I'd be surprised if int'l connectivity is at over 50%
 capacity), and its cheaper to get more bandwidth on demand then lower
 throughput to customers, in case of unexpected usage peaks.

But that's not my point. While it's cheaper to get more bandwidth on
demand, if you are trying to raise profits in anticipation of selling
the company, then the easiest way is to limit your throughput, if you
pay by either (or both) throughput (bytes transfered) or peak demand.

Since during peak demand people have gotten used to lower performance, they
hardly could tell. If you can limit your peak bandwidth to 90% of what it was
and save 10% of your real costs, it would make a big difference. Your
customers probably would not notice, but the purchaser of your company
would. 

By the time the customers figured out what happened, the sale would have 
been made, and you would be sitting on a beach in Tahiti. :-)

Geoff. 



-- 
Geoffrey S. Mendelson, Jerusalem, Israel [EMAIL PROTECTED]  N3OWJ/4X1GM
IL Voice: (07)-7424-1667  Fax ONLY: 972-2-648-1443 U.S. Voice: 1-215-821-1838 
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Re: Internet speed and page loading problems ?

2007-01-18 Thread Oron Peled
On Friday, 19 בJanuary 2007 00:22, Dotan Cohen wrote:
 I was thinking along the lines of log files filling up

logrotate?

 and dns cache files filling up.

What dns cache files? AFAIK, named(8) has a memory cache only.
[even if it did have disk cache, isn't simpler to trim cache files
 than reinstall your operating system :-O

-- 
Oron Peled Voice/Fax: +972-4-8228492
[EMAIL PROTECTED]  http://www.actcom.co.il/~oron
ICQ UIN: 16527398

We continue to live in a world where all our know-how is locked into
binary files in an unknown format. If our documents are our corporate
memory, Microsoft still has us all condemned to Alzheimer's.
  -- Simon Phipps

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Re: Internet speed and page loading problems ?

2007-01-17 Thread Jonathan Ben Avraham

Hi Peter,
I've noticed these problems also. Seems to come and go. We are also using 
Actcom.


 - yba



On Wed, 17 Jan 2007, Peter wrote:


Date: Wed, 17 Jan 2007 22:24:39 +0200 (IST)
From: Peter [EMAIL PROTECTED]
To: IGLU [EMAIL PROTECTED]
Subject: Internet speed and page loading problems ?


Hi all,

I see a lot of slowdowns and page loading problems lately. The networks are 
very heavily loaded or what  ? Loading sites like ynet.com always leaves 
pages loading for minutes (Firefox) until they complete. What is causing this 
? Many foreign sites do not have this problem. Today even Google had the same 
symptoms. I run my own server as a sandbox and there was difficulty loading 
images and so on from the outside. Images would transfer 70-90% and then 
stall. What is on ?


Peter

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