WBS's throttling habbits!

[BicPen]

WBS's throttling habits!

Alright I've noticed huge speed degradations during certain times of the day and decided to monitor and record my speeds for a few days. Take a look at these speeds, maybe you can relate?

RECORDED Wednessday 13 July 2005

08:45
• Estimated line speed: 381.1 (kilobits/second)
• Estimated line speed: 46.7 (kiloBytes/second)

09:05
• Estimated line speed: 122.3 (kilobits/second)
• Estimated line speed: 15 (kiloBytes/second)

09:30
• Estimated line speed: 155.9 (kilobits/second)
• Estimated line speed: 19.1 (kiloBytes/second)

11:23
• Estimated line speed: 137.7 (kilobits/second)
• Estimated line speed: 16.9 (kiloBytes/second)

RECORDED Thursday 14 July 2005

08:41
• Estimated line speed: 913.6 (kilobits/second)
• Estimated line speed: 112 (kiloBytes/second)

09:50
• Estimated line speed: 279.6 (kilobits/second)
• Estimated line speed: 34.3 (kiloBytes/second)

10:05
• Estimated line speed: 205.9 (kilobits/second)
• Estimated line speed: 25.2 (kiloBytes/second)

23:30
• Estimated line speed: 889.7 (kilobits/second)
• Estimated line speed: 109 (kiloBytes/second)

RECORDED Friday 15 July 2005

08:14
• Estimated line speed: 589.6 (kilobits/second)
• Estimated line speed: 72.3 (kiloBytes/second)

09:17
• Estimated line speed: 111.6 (kilobits/second)
• Estimated line speed: 13.7 (kiloBytes/second)

09:54
• Estimated line speed: 88.5 (kilobits/second)
• Estimated line speed: 10.8 (kiloBytes/second)

17:55
• Estimated line speed: 305.6 (kilobits/second)
• Estimated line speed: 37.5 (kiloBytes/second)


I didn't really get the opportunity to do test beyond office hours but the speeds was great 100KilloBytes and up.

 

[w1z4rd]

ok, now make a pretty graph of this so we can understand better

 

[MrH]

Does not look like wbs throttling to me as similar times are not nearly the same speed, it is probably a matter of internet traffic at the time.

 

[BicPen]

To me it looks like the throttling sets in at about 9am.Wedness day and Friday looks very similar to me. I can't believe this can be Internet traffic, otherwise everybody would be effected on any internet solutionthis.Is this the case?

 

[nocilah]

i can confirm that wbs indeed do throttle during office hours... why i am not sure... but when i stayed home one day during the week... the moment 9:00 hit 100KB speeds dropped to 20Kb... sure it might be people all check their email at that time then in theory it should spike once in a while... the whole day the speed were set at 20KB and only at 5:30-6 did it miraculously jump to 100KB again. I am only talking of local speeds.

I do not believe for one second that this is saturation and if it is isnt that also pretty sh1tty?

inho wbs are over selling and heading to the exact same place sentech found themselves.

 

[MrH]

If they were throttling then I would also experience similar speeds, and in general I can get good speeds throughout the day most times. Even this "bad" month in general does not look like throttle my side, except when it went right down a few times when they were playing around with it.

On the other hand maybe it's just in the jhb area that it really slows down.

 

[nocilah]

On the other hand maybe it's just in the jhb area that it really slows down.

i think you are right. jhb is fairly saturated and it makes sense that there are 100's of other iburst people who dont even know of this forum... it could just be a case of oversaturation in jhb...

5:30 -6pm is rush hour which means the 100's of people who use iburst during office hours have left and are on their way home...

whatever the problem i think it is still aproblem

 

[TheRoDent]

Daytime traffic being slower is quite normal. Businesses use the Internet during the day, and their gig fat emails tend to clog everything up. It's a natural phenomenon. Any ISP will tell you that daytime is when their bandwidth is at a premium.

Same as electricity is at a premium at night. My guess is that this is a combination of radio, and IP contention.

 

[GRES]

Pls read internet!
iBurst tower working in such way:
Total bandwith - 20M = 60channels x ~360kbps.
Before 20 SIMULTANEOUS requests 3 channels allocated to each user = 1mbps
As number of requests increase - tower allocate 2 or even 1 channel per user.
Channels countes and reallocated 200 times per second.
As tower overflowed - it even can delay request.
This is the reason and iBurst have only 50% of projected towers running.
Plus unknown size of the pipe to UUNET and IS.

 

[Crash]

The 20meg on the towers is upgradeable to 40 and 60 mb. Whether WBS would spend the money, thats another story.

 

[TheRoDent]

By the way, I saw the iBurst Linden tower yesterday. It's on top of a church's steeple. It looks decidedly evil to see the iBurst/Arraycomm "crown" on top of a church steeple, rather than the usual cross. Here's a http://rodent.za.net/files/lindentower.gif map, of where exactly it is.

 

[ic]

ok, now make a pretty graph of this so we can understand better

http://img303.imageshack.us/img303/1156/ic200507181963031100last10days.png

It's not the same data, but it does show some high latency trends...NB that's just to the 1st hop/gateway on iBurst 196.30.31.100...