Contention

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raytaylor

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#2026608 1-Jun-2018 01:11

Linux:

@ChorusNZ network does not have congestion in it's network

John

..... Provided that one understands the standard UFB plans (eg. 100mbit) only have something like a 2.5mbit CIR, and congestion doesnt occur until you cant get your CIR

Ray Taylor

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Talkiet

4793 posts

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#2026674 1-Jun-2018 09:10

raytaylor:

Linux:

@ChorusNZ network does not have congestion in it's network

John

..... Provided that one understands the standard UFB plans (eg. 100mbit) only have something like a 2.5mbit CIR, and congestion doesnt occur until you cant get your CIR

Wrong.

"Chorus defines a congestion free network as one where all Internal Network to Network
Interfaces (I-NNIs) average bandwidth, as measured over [15] minutes, is less than
[95%] of the I-NNI physical line rate."

https://sp.chorus.co.nz/chorus/files/File/Congestion%20free%20networks%20white%20paper.pdf

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

networkn

Networkn
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#2026772 1-Jun-2018 10:41

Apparently, the ISP in question were "throttling" our connection. Once they remove that we will be able to see what's what.

Are there some types of throttling that could cause a connection be to approx 10-15% below the stated speeds?

Talkiet

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#2026780 1-Jun-2018 10:47

networkn:

Apparently, the ISP in question were "throttling" our connection. Once they remove that we will be able to see what's what.

Are there some types of throttling that could cause a connection be to approx 10-15% below the stated speeds?

Short answer yes... Longer answer, I know of situations when an ISP may shape (not throttle) to below the line rate in order to improve the customer experience, but it's uncommon and usually to work around a customer end issue. I don't know if that's what happened here, but short answer, yes.

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

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