The Network Bandwidth Thread that Ate Sheboygan
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Danny Silverman

December 13, 2001
05:24:59 PM
Response to In Other News...
This had been brought up before and the robot exclusion protocol will definitely be followed in the next scan. If you do not want to be scanned by boogle either:
a) Password protect your directories. Boogle doesn't attempt to open or guess any directories with usernames/passwords. Sadly, this excludes a lot of good content.
b) Put a robots.txt file in the top level of a sharepoint. The format for a robots.txt file is this:
# Robots.txt for MYCOMPUTERNAME
User-agent: *
Disallow: /movies/
Disallow: /whatever/
That's it and boogle will follow it. The robots protocol calls for one file in the top level of a "site," but I'm not sure how feasible this is, so we will look for it at the top of any sharepoint (the highest level of a shared folder).
Travis Seifman

December 13, 2001
10:30:47 PM
Response to -- Jesse Grittner
You're assuming too much when you say that "their bandwith usage overwhelms others'". First you're assuming that there is no difference between someone's use overwhelming others and Brandeis saying that they are overwhelming others. Fact vs. Statement - it's that simple. Secondly, you're assuming that the top 5 or 10 are responsible for a slow network moreso than the student population as a whole or the network guru-types. I would not be at all surprised if our access slowed because the Network people were testing something or reprogramming something etc.

Don't be so gullible - things aren't necessarily the way THEY say they are, and thing aren't necessarily the way they appear.

Kelsey Boushie

December 13, 2001
11:40:11 PM
Response to Travis.
Oh Travis, honey. Have you read the technical threads about the actual numbers? (If not, you should, try looking at Rich's comments on October 31st.)

In all seriousness, let's be fair--Rich doesn't seem to care how much we use or what we use it for, so long as it doesn't interfere with other's rights to use the resource. When people use massive amounts of bandwidth, others are indirectly harmed. That's what happens when there is a limited resource. That's not a statement, that's a fact.

The "Avg + 3 std deviation" ceiling, which must be exceeded for THREE WEEKS IN A ROW is not unreasonable. I don't know if you've ever taken a course in statistics, but this means that a *VERY* small proportion of the campus is using a *VERY* large amount of bandwidth. Are you going to argue with math?

The argument has been used that the high users aren't using too much bandwidth, the rest aren't using enough. This is a ridiculous concept--it's a limited resource and if everyone used it as much as the top five have been, our network would come to a screeching halt.

My point is--let's not resort to paranoid comments, Travis. Rich is not out to get us. We have been provided a forum for discussion and social consensus. Let's not start conspiracy theories. Let's decide on what is a fair level of use in a reasonable fashion.

Adam Herman

December 14, 2001
01:59:59 AM
Response to Travis
Travis,

I've pretty much stayed out of this thread for a variety of reasons, but I feel compelled to jump in because - as a student leader - I've had a variety of interactions with the collective "network people" to which you refer in your message.

When you say, "Don't be so gullible - things aren't necessarily the way THEY say they are, and thing aren't necessarily the way they appear." you are suggesting that there is an incentive for someone to be dishonest with the student population who uses network resources. I can assure you that ITS, and especially our Unet sysadmin, both value input from students and open/honest dialogue with them about how we - as a team - can make the most of our network resources.

I'd ask you to reconsider the claim presented in your message.

ajh

Travis Seifman

December 18, 2001
09:39:11 AM
Damn. Now everyone's attacking me. First of all, I did not mean to sound paranoid or conspiracy obsessed. All I'm saying is that a) this resource should be equally available to everyone, not just those people who will choose to use it only for email & IM. b) As long as it doesn't interfere with other people's usage, it should not be a problem. Any lag (or similar effects) I've seen on my own computer I've always attributed to general network traffic or something going on in the UNET/ITS office. I've never shaken a finger in blame at one or five or ten students for slowing me down. This is an issue for the entire Brandeis community to figure out - blaming the top X number of students is the easy way out. There must be a better way.

My remarks about the sysadmins were not meant to imply that they are dishonest in any sort of evil, conspiratorial way... simply that I would not be surprised if they were up towards the top of the list of highest use computers (assuming everyone was counted, not just students). In addition, I see this problem as being their fault for designing this network use monitoring program, and for the anonymous emails and restrictions connected to it. I realize that seems like backwards thinking, but it's not a problem until you treat it like one...

If we dropped the monitoring, emailing, restricting, and discussing, and simply blamed "general network traffic" (essentially the Brandeis community as a whole, no one person or group of people) for the slowdown, then the problem would effectively vanish.

Jesse Grittner

December 18, 2001
10:23:22 AM
Travis's latest response
Man, I don't even know where to start with you anymore. I just think that we see this issue in entirely different ways.

You say "As long as it doesn't interfere with other people's usage, it should not be a problem." And all I can say to that is "Duh." The problem is that the usage of a few *is* interfering with the usage of many others. I don't understand how I can put this more clearly. We have a limited amount of bandwith, and when some people fill up that pipe with incoming or outgoing high-bandwith traffic (i.e., movies/wares/mp3s), other people find themselves contending with unexpected and unfair lags in their own traffic.

"Blaming the top X number of students" is not "the easy way out." It is the logical way out. Think about it - if those people weren't using the network, or were using it at levels that were at least reasonably comparable to other people's, the problem would not exist. This thread would never have started. And we would never have gotten in to this discussion in the first place. Also, I would point out that, judging by the number of posts in this thread, and the anger and/or ignorance on display in some of them, one would be hard-pressed to say that this whole process has been easy for Rich and the rest of the sysadmins.

You write "I would not be surprised if [sysadmins] were up towards the top of the list of highest use computers." Really? I would. Do you really think Rich is sitting in his office downloading a rip of The Phantom Menace DVD? All of the e-mailing and pinging and whatever else a sysadmin does would probably amount in a full day to the bandwith consumed by downloading a song or off Morpheus, if that. What exactly do you think the sysadmins are doing to rack up incoming totals approaching a half-gig in a 24-hour period? Because that's what it's going to take to make it up near "the top of the list."

Finally, you hit us with this gem: "it's not a problem until you treat it like one..." A few lines above, you mentioned the occasional lags and other network latency problems you've encountered. Guess what? That's the problem. Sticking our collective head in the sand and pretending that it isn't won't get us anywhere.

Here's a hypothetical conversation between Person 1 (let's call him Jesse) and Person 2 (let's call him Travis):


Jesse: "Gee, the network's slow again."

Travis: "No it's not."

J: "It took CNN.com a full minute to load. I just wanted to check the headlines before I ran to class. This sucks."

T: "Well, that's certainly not the fault of that kid next door downloading porno off Morpheus. If it was a problem, which it isn't, I'd probably blame the *n*x gurus over at ITS/UNet. They're always sending 2KB e-mails and downloading 20KB software patches. That adds up fast."

J: "Whatever. I just think it's a problem."

T: "It's not a problem until you treat it like one."

Danny Silverman

January 31, 2002
02:11:56 AM
Announcing Boogle 2.0
Submitted for your approval: a search engine which, if used effectively, would drastically cut down on bandwidth problems. On a switched network, a single computer downloading from another computer provides little overhead and little noticeable speed decrease for the rest of the users.

Thus emerges from the ashes Boogle 2.0b1, the first iteration of the next generation of high-tech, all-powerful, buzzword-compliant network search tools. KaZaA isn't quite back yet, and the list is opt-in right now, but it is certainly a start, and it will only grow as more people add their computers.

Check out the future of the future, by going here:
http://boogle.agblog.com

Brought to you by Students for Preventing Ethereal Erudition Deficiencies (SPEED).

Anonymous Poster

January 31, 2002
04:36:14 AM
not all computers can be scanned right now for some reason, a few computers i've tried received a host name not found error, despite them clearly being accessible.
Danny Silverman

February 10, 2002
01:28:21 AM
Booogle 2.5b1 is up, so far we have over half a terabyte scanned. Just a heads up.
Anonymous Poster

February 10, 2002
01:56:05 AM
Response to Reducing network bandwidth use with file sharing programs
keep up the good work, dan
Rich Graves

February 15, 2002
11:59:34 PM
Some Korean p2p program is Evil.
I've added UDP 9001 to the deny filter on the dorm router because an exceptionally poorly coded program has managed to crash the router twice. The problem has been noticed elsewhere.

http://lists.wi2600.org/pipermail/2600/2001-July/007247.html

http://lists.jammed.com/fw-wiz/2001/09/0010.html

In general our policy is simply to manage a fair share for everyone, not to block, but when people totally ignorant of network programming do shockingly stupid things, we can't let them.

Arnon Shorr

March 21, 2002
01:15:02 AM
When are sizeable downloads ok?
I am a filmmaker. Unfortunately, Brandeis does not cater to that particularly well. In order to maintain a little bit of an edge, I try to work films in to my course work as much as possible. The library has many films, but they are 'trapped' there, and thus can not be brought to the place where I work. There used to be a few movies for rent in Usdan, but they are gone now. I have discovered that the internet is a highly valuable resource for cinema study, and have utilized it to this purpose. This week, after downloading several films for a USEM research paper, I received an email warning me about my use of network resources. Whether folks like it or not, the ability to transfer sizeable pieces of information over the internet can, and is being used for constructive purposes. Although I will make an attempt to cut back on my download time, I join many folks in urging the capable people who run our technology on campus to expand the capabilities of the network to meet the demands of their customers.

Thank You,
-Arnon Shorr

Rich Graves

March 21, 2002
11:47:27 PM
Arnon,

It's just a warning. You need to exceed the threshold for 3 weeks in
a row before we restrict you.

Network bandwidth doubled this year. I don't run the budget, so I
can't promise anything, but I think doubling every year or so is
necessary to keep up.

Everything about the way we do business, including the (very high)
proportion of traffic students use and rough estimates of what
applications are being used, is in the open at
http://netinfo.unet.brandeis.edu/

As for movies, I think more students should abuse
http://www.netflix.com/

Post a signup list in your dorm, get 50 people together, open 5
memberships, you get effectively unlimited DVDs (up to 15 in your
shared "library" at a time) for $2 per month. You're not even
breaking the law (well, maybe netflix has a policy against pooling).
Yes you have to think ahead and wait a couple days for shipping, but
I think the quality and the fact you don't need to search or babysit
your computer while downloading is worth it.

Danny Silverman

March 31, 2002
07:31:24 PM
I have to second what Rich is saying. Claiming cinema studies, for example, as a legitimate use while ignoring both the bandwidth and legal implications of said is not necessarily a "good" excuse for high downloads. Then again, its only a warning.

Doubling the connection every year? That would be quite cool...

I actually do use NetFlix and I must say, its completely awesome, if a bit pricey (for an individual), and now that they have a distro facility in Worcester the times between movies are decreasing. :-) If people want to pool for DVDs, I think that would be a great idea. In fact, I might suggest it to my suitemates. :-) And you don't need to get 5 accounts, just get the ultimate account, 8 DVDs at a time for $39.95, and they have EVERYTHING. Twenty people at 2 bucks a month each, and eight DVDs circulating at any one time, seems pretty good. Well, except for things that are still in theaters. For that you need to have a friend in the Academy...

Rich Graves

April 8, 2002
02:46:27 PM
Pointer to poll & discussion on kazaa security threat
http://my.brandeis.edu/bboard/q-and-a-fetch-msg?msg_id=0000R6

I'd like pro and con arguments from students before spamming the
poll announcement anywhere.

If I can only get con (or only pro), that's what I'll link.

Rich Graves

September 3, 2002
07:28:55 PM
State of the network Fall 2002
So, due to budget pressure and the fun situation with the large telecommunications providers and the .bomb economy, Brandeis enjoys precisely the same network connectivity we did last Spring. And it ain't pretty.

The good news is that we've secured a grant for an i2 link through NoX. 45mbps to other i2 schools and research institutions. We've also got a 5mbps backup circuit (our previous 1.5mbps circuit was a real disaster on the two occasions our primary circuit went down) and should be able to pipe about 20mbps of general intentet1 connectivity over the fiber used for the NoX link. The bad news is that it might not be done til late October. Late October is a hard deadline because that's when our current contract with Genuity expires.

Please be considerate of other Brandeis users and make good use of local resources to alleviate Internet congestion. We're all in this together.

Anonymous Poster

September 3, 2002
08:04:45 PM
Yes, there has been a significant slowdown of the network, and it's very noticable throughout the day.

I was just about to post about the network situation.. hopefully something will be done SOON.

Rich Graves

September 3, 2002
08:11:52 PM
Unfortunately the only thing that can be done SOON is conservation. It takes forever to get high-speed full-time network links, especially as half the companies you talk to go bankrupt the next day.

Standard warnings have gone out to the top 43 users, all undergraduate students, who together accounted for 48.8% of all network traffic last week. If the past is any guide, they are all going to complain that the other 4000 people who would like to use the network are being grossly unfair in asking them to cut back a little.

Danny Silverman

September 4, 2002
04:30:04 PM
And with a network this congested, let them complain, I think we need to put in
some temporary bandwidth limiting if such a thing is possible.
Anonymous Poster

September 4, 2002
04:56:51 PM
I had heard rumors of us charging the people who use excessive bandwidth for that excessive bandwidth. Is there any sort of truth to that?
Matthew Mollison

September 4, 2002
06:19:00 PM
Please give everyone a BW quota!
Dividing out the bandwidth evenly until we get that new connection in October (considering how well the new student center, aka the rusted titanic, is going maybe we'll get the connection in December or so... :P) would be the absolute best thing to do. i am getting terrible packet loss and i dont like it one BIT.

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