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All,<br>
I've been following your conversation here, and figured I would add
a couple things.<br>
<br>
First off, when comparing the differences between T1s and cable
connections, though the uptime and service level does effect the cost,
the real modifiers are the guaranteed bandwidth, and the upstream
speed. Though cable companies sell lines that they categorize as a 4mb
connection, its all first come first served, and they never really
intend for you to get going that fast. The T1s are a symmetric
dedicated line, so you're looking at a guaranteed 1.54Mb transmit and
receive to the other end. I do alot from my home in terms of voice
chatting, media streaming and file servers, so I tend to pay special
attention to the posture alot of ISPs are taking over customers using
the bandwidth they paid for.<br>
<br>
As for QoS devices, the ones that sit out at your ends perplex me
alittle. If your bottleneck is the downstream traffic on your WAN
connection, I would think a prioritizing device would sit at the head
of that connection, not the tail. I personally don't have alot of
experience with those types of appliances, and if its working out, then
its probably doing more than what I think of as QoS, but hey, as long
as its working...yay! We have implemented some new QoS stuff at our
core, so if any of you are having issues with stuff like video
conferencing or ils dropping, feel free to give us a call and we'll see
what we can work out.<br>
<br>
Lastly, for alot of libraries now, a single T1 isn't enough
bandwidth. This is something we've known for awhile, but only recently
have we been able to do something about it. About a year ago the OPLIN
board gave us authorization to start upgrading connections based on a
quarterly utilization report. We run a report on the entire network
that shows us your average utilization between 2pm and 5pm. A report is
collected daily, for a 5 day period. If your average utilization is
above 80% on three of the five days, we are then authorized to provide
additional bandwidth to the library at OPLIN's cost. To date, this
process has allowed us up provide upgrades to roughly 20% of the
libraries statewide, which has pushed our aggregate bandwidth from
about 400Mb 11 months ago, to about 750Mb today. I know some of you are
pushing your high bandwidth applications down a separate connection,
and therefore aren't getting any help from us, but the only advice I
can give to that is to make some config changes to push some of that
load my way. Once I see it, I can do something about it.<br>
<br>
Phew, that was longer than I thought it was going to be, time to refill
my coffee cup.<br>
<br>
<pre class="moz-signature" cols="72">Thanks,
Karl Jendretzky
Technology Project Manager
Ohio Public Library Information Network
<a class="moz-txt-link-abbreviated" href="mailto:jendreka@oplin.org">jendreka@oplin.org</a>
(614) 728-1515</pre>
<br>
<br>
Travis McAfee wrote:
<blockquote cite="mid:BF0611E3774E47A2A3BA9764313273D0@WAYPL.local"
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<div class="Section1">
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Way uses a
Cymphonix bandwidth shaping
device in conjunction with OPLIN QoS.. I have mixed feelings about the
Cymphonix device. If it’s doing what it says it’s a great and
beautiful thing. I ran into some issues with their tech support a few
months ago, however, and they basically destroyed the thing twice with
bad
updates.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Otherwise,
I’m not going to say
there are no solutions to this problem, but at peak hours we have our
staffers
and 30+ patrons on computers. Even if I were a bandwidth genius,
anything
short of blocking Myspace, Facebook, Snapfish, Runescape, YouTube, and
Photobucket
would probably result in congested lines. Websites are designing their
content to run on Cable connections now, which are rapidly approaching
the same
speeds as our T1 lines. It’s starting to feel a bit like we’re
attempting to ration an apple pie between 100 dinner guests here at the
library.
<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">T1 lines
just aren’t scaling
well. I have about the same bandwidth at home for $29.99 (RoadRunner -
Meep meep!) and it’s just a single computer. Given, I’m
enjoying one of the “good” cycles with cable based Internet right
now- I think they recently upgraded their network. In my experience
it will slowly deteriorate until they upgrade again. It’s also not as
reliable as a T1 connection, so I guess the extra cost is mostly coming
from
that last 10% uptime. Still, this is what the popular sites out there
believe
their core audience has access to.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><o:p> </o:p></span></font></p>
<div>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Travis McAfee</span></font><font
color="navy"><span style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Systems
Administrator</span></font><font color="navy"><span style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Way Public
Library</span></font><font color="navy"><span style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><st1:Street w:st="on"><st1:address w:st="on"><font
color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">101 E.
Indiana Ave.</span></font></st1:address></st1:Street><font color="navy"><span
style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><st1:place w:st="on"><st1:City w:st="on"><font
color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Perrysburg</span></font></st1:City><font
color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">, <st1:State
w:st="on">OH</st1:State> <st1:PostalCode w:st="on">43551</st1:PostalCode></span></font></st1:place><font
color="navy"><span style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Times New Roman"
size="3"><span style="font-size: 12pt; color: navy;"> <o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;" lang="FR">Voice:
(419) 874-3135
x103</span></font><font color="navy"><span style="color: navy;"
lang="FR"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;" lang="FR">Fax:
(419) 874-6129</span></font><font color="navy"><span
style="color: navy;" lang="FR"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;" lang="FR">Email:
</span></font><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;"><a
moz-do-not-send="true" href="mailto:mcafeetr@oplin.org"
title="blocked::mailto:strohjo@oplin.org"><span lang="FR">mcafeetr@oplin.org</span></a></span></font><font
color="navy"><span style="color: navy;" lang="FR"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial; color: navy;">Web: <a
moz-do-not-send="true" href="http://www.waylibrary.info/"
title="blocked::http://www.waylibrary.info/">http://www.waylibrary.info</a></span></font><font
color="navy"><span style="color: navy;"><o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Times New Roman"
size="3"><span style="font-size: 12pt; color: navy;"> <o:p></o:p></span></font></p>
<p class="MsoNormal"><font color="navy" face="Times New Roman"
size="2"><span style="font-size: 10pt; color: navy;">"The opinions
expressed here do not
necessarily reflect the policies and procedures of Way Public
Library."</span></font><o:p></o:p></p>
</div>
<div>
<div class="MsoNormal" style="text-align: center;" align="center"><font
face="Times New Roman" size="3"><span style="font-size: 12pt;">
<hr tabindex="-1" align="center" size="2" width="100%"></span></font></div>
<p class="MsoNormal"><b><font face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma; font-weight: bold;">From:</span></font></b><font
face="Tahoma" size="2"><span
style="font-size: 10pt; font-family: Tahoma;">
<a class="moz-txt-link-abbreviated" href="mailto:oplinlist-bounces@oplin.org">oplinlist-bounces@oplin.org</a>
[<a class="moz-txt-link-freetext" href="mailto:oplinlist-bounces@oplin.org">mailto:oplinlist-bounces@oplin.org</a>] <b><span
style="font-weight: bold;">On
Behalf Of </span></b>Christopher Brose<br>
<b><span style="font-weight: bold;">Sent:</span></b> Wednesday,
August 27, 2008
9:33 AM<br>
<b><span style="font-weight: bold;">To:</span></b>
<a class="moz-txt-link-abbreviated" href="mailto:oplintech@oplin.org">oplintech@oplin.org</a>; <st1:PersonName w:st="on"><a class="moz-txt-link-abbreviated" href="mailto:oplinlist@oplin.org">oplinlist@oplin.org</a></st1:PersonName><br>
<b><span style="font-weight: bold;">Subject:</span></b> [OPLINLIST]
Bandwidth
issues.</span></font><o:p></o:p></p>
</div>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Hello,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">I know everyone looks at
the subject “bandwidth
issues” and cringes, and I know this has been discussed in the past,
and
I know with certainty this will be discussed in the future, so here is
my
question.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Last September we moved
our patron network off the OPLIN
router due to bandwidth issues caused by Runescape, Myspace, video
downloads,
etc, adding a second T-1 line through AT&T. Since the internet
and it’s traffic are never going to grow smaller, we are experiencing
congestion on this AT&T T-1 line. The bandwidth of this second
line
becomes so completely maxed after the kids visit after school, and when
our lab
opens, anyone trying to use the Internet experience complete
frustration with
long load times and time out issues.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"> I would like see what
others have used or tested in
the way of throttling or shaping their libraries network traffic to
improve
Quality of Service to their patrons.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Thanks,<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><strong><b><font face="Times New Roman" size="3"><span
style="font-size: 12pt;">Christopher J. Brose</span></font></b></strong><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Network Administrator</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Tiffin-Seneca Public
Library</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Voice: 419-447-3751</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Fax: 419-447-3045</span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><a moz-do-not-send="true"
href="mailto:brosech@oplin.org">brosech@oplin.org</a></span></font><o:p></o:p></p>
<p class="MsoNormal"><font face="Times New Roman" size="3"><span
style="font-size: 12pt;"><o:p> </o:p></span></font></p>
</div>
<pre wrap="">
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