Bandwidth calculator for hosting

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BOD1
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Bandwidth calculator for hosting

Post by BOD1 » Mon May 11, 2020 11:18 pm

I created a small sheet to calculate number of pilots and spectactors a server can support, accordingly to its upload bandwidth available.
BandwidthCalculator.zip
Just select your connection speed (warning: UPLOAD, not download!)
(No pretention here, I'm a noob in Excel)

EDIT: Updated to include UDP packet header size and specify values are in kilo bytes.
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Last edited by BOD1 on Wed May 27, 2020 6:27 pm, edited 2 times in total.
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wickid
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Re: Bandwidth calculator for hosting

Post by wickid » Mon May 11, 2020 11:49 pm

Today we ran a server with everything set to unlimited. At peak 84 pilots and 4 Spectate! Users were connected. We run a 1000 Mbit server in a datacenter in Amsterdam. Pings were almost all below 100. Flying in large gaggles gives a bit of a FPS hit (around 30 FPS for me running everything on max settings). Users with the settings turned down reported less of a FPS drop and still very much playable framerates. Once the field spread, normal FPS for everybody. No glitches or freezes reported.
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OXO
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Re: Bandwidth calculator for hosting

Post by OXO » Wed May 13, 2020 10:00 am

BOD1 wrote:
Mon May 11, 2020 11:18 pm
I created a small sheet to calculate number of pilots and spectactors a server can support, accordingly to its upload bandwidth available.
BandwidthCalculator.zip
Just select your connection speed (warning: UPLOAD, not download!)
(No pretention here, I'm a noob in Excel)
I think you missed the 8 byte header for UDP?
Chris Wedgwood,
Condor Team

benw
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Re: Bandwidth calculator for hosting

Post by benw » Wed May 13, 2020 2:49 pm

BOD1 wrote:
Mon May 11, 2020 11:18 pm
I created a small sheet to calculate number of pilots and spectactors a server can support, accordingly to its upload bandwidth available.
BandwidthCalculator.zip
Just select your connection speed (warning: UPLOAD, not download!)
(No pretention here, I'm a noob in Excel)
This is very helpful, thank you. For the avoidance of doubt, can you confirm the upload speed is mega/kiloBYTES per second not BITS?

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OXO
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Re: Bandwidth calculator for hosting

Post by OXO » Wed May 13, 2020 3:07 pm

benw wrote:
Wed May 13, 2020 2:49 pm
BOD1 wrote:
Mon May 11, 2020 11:18 pm
I created a small sheet to calculate number of pilots and spectactors a server can support, accordingly to its upload bandwidth available.
BandwidthCalculator.zip
Just select your connection speed (warning: UPLOAD, not download!)
(No pretention here, I'm a noob in Excel)
This is very helpful, thank you. For the avoidance of doubt, can you confirm the upload speed is mega/kiloBYTES per second not BITS?

Well connections are always specified in kilobits or megabits. I have never seen one specified in megabytes/sec

In any case, divide bits by 8 to get bytes.
Chris Wedgwood,
Condor Team

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BOD1
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Re: Bandwidth calculator for hosting

Post by BOD1 » Wed May 13, 2020 4:03 pm

In my array, it's in KB per second(KiloBytes, 1 kilo = 1024 bytes), I thought KB would be more meaningful than bits for average users, internet browsers indicate download speeds in bytes.

@Oxo "I think you missed the 8 byte header for UDP?"
Probably, I used the value given by Uros for a single plane location (105 bytes), and I don't know how many packets are used to send it.
I don't take in account all overhead due to joining, chat, ...

File has been updated (see first post).
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EDB
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Re: Bandwidth calculator for hosting

Post by EDB » Wed May 13, 2020 7:47 pm

ISP's usually communicate in Mb (Megabits) per second to their costumers. That looks nicer (more).

But most costumers often think in MB (MegaBytes) per second. And some even think they get MB while in reality they only get Mb...

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Re: Bandwidth calculator for hosting

Post by maymar » Wed May 27, 2020 6:10 pm

BOD1 could you reload attachment? I can't download it - get info that is missing.

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BOD1
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Re: Bandwidth calculator for hosting

Post by BOD1 » Wed May 27, 2020 6:27 pm

Done!
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Re: Bandwidth calculator for hosting

Post by maymar » Thu May 28, 2020 8:34 pm

Thx BOD1

I have 50Mb/s upload (6.25MB/s) so I get all green spreadsheet :-D

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