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Author Topic: Mining protocol bandwidth comparison: GBT, Stratum, and getwork  (Read 27881 times)
kano
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March 27, 2013, 06:28:37 AM
 #61

If you're looking for the absolute least amount of network traffic, CGMiner's implementation of Stratum is the best.
Not really.. you can degrade BFGMiner's stratum security with the --skip-security-checks parameter.
FUD as usual.
You have never given any credence to your use of the word security in that context.

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March 27, 2013, 11:16:08 AM
 #62

If you're looking for the absolute least amount of network traffic, CGMiner's implementation of Stratum is the best.
Not really.. you can degrade BFGMiner's stratum security with the --skip-security-checks parameter.

Yet again you fine gentlemen have overestimated my competence.

Lets say I have a 2 Th (2,000 Gh) rig, and I need to tell the server collocation host how much bandwidth I think I'm going to use per month, what is the extreme upper limit of the standard deviation?
I came up with 205 KB/sec, or 18 GB/day at the extreme case of difficulty 1 shares with full 1 MB block templates every 30 seconds.
In practice, 2 Th/s would probably be unusable at difficulty 1, so you would be using a variable difficulty pool which would use less bandwidth for submissions (which account for about 134 KB/sec of this estimate).

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March 27, 2013, 02:18:54 PM
 #63

If you're looking for the absolute least amount of network traffic, CGMiner's implementation of Stratum is the best.
Not really.. you can degrade BFGMiner's stratum security with the --skip-security-checks parameter.

Yet again you fine gentlemen have overestimated my competence.

Lets say I have a 2 Th (2,000 Gh) rig, and I need to tell the server collocation host how much bandwidth I think I'm going to use per month, what is the extreme upper limit of the standard deviation?
I came up with 205 KB/sec, or 18 GB/day at the extreme case of difficulty 1 shares with full 1 MB block templates every 30 seconds.
In practice, 2 Th/s would probably be unusable at difficulty 1, so you would be using a variable difficulty pool which would use less bandwidth for submissions (which account for about 134 KB/sec of this estimate).


Surely you jest. Are you sure that's not 18 GB/MONTH?
Luke-Jr
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March 27, 2013, 03:07:23 PM
 #64

Lets say I have a 2 Th (2,000 Gh) rig, and I need to tell the server collocation host how much bandwidth I think I'm going to use per month, what is the extreme upper limit of the standard deviation?
I came up with 205 KB/sec, or 18 GB/day at the extreme case of difficulty 1 shares with full 1 MB block templates every 30 seconds.
In practice, 2 Th/s would probably be unusable at difficulty 1, so you would be using a variable difficulty pool which would use less bandwidth for submissions (which account for about 134 KB/sec of this estimate).
Surely you jest. Are you sure that's not 18 GB/MONTH?
No, that's the unrealistic extreme upper limit. There is no upper limit besides that.
For a datacenter, 558 GB/mo is nothing anyway. The very cheapest of dedicated servers include 2500 GB.

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March 27, 2013, 04:10:55 PM
 #65

Lets say I have a 2 Th (2,000 Gh) rig, and I need to tell the server collocation host how much bandwidth I think I'm going to use per month, what is the extreme upper limit of the standard deviation?
I came up with 205 KB/sec, or 18 GB/day at the extreme case of difficulty 1 shares with full 1 MB block templates every 30 seconds.
In practice, 2 Th/s would probably be unusable at difficulty 1, so you would be using a variable difficulty pool which would use less bandwidth for submissions (which account for about 134 KB/sec of this estimate).
Surely you jest. Are you sure that's not 18 GB/MONTH?
No, that's the unrealistic extreme upper limit. There is no upper limit besides that.
For a datacenter, 558 GB/mo is nothing anyway. The very cheapest of dedicated servers include 2500 GB.
So 205kB/sec is the absolute upper limit. We could easily get that down to half that with varr diff, so you're only talking about 9GB/day. I'm gonna guess that most people mining do not work in a datacenter, and have limits on their internet connection. For example, my family has a 500B cap per month. We've been over that cap for the past 20 months in a row, and they've stopped sending us letters or even caring, so it is what it is.

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kano
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March 27, 2013, 10:07:41 PM
 #66

Lets say I have a 2 Th (2,000 Gh) rig, and I need to tell the server collocation host how much bandwidth I think I'm going to use per month, what is the extreme upper limit of the standard deviation?
I came up with 205 KB/sec, or 18 GB/day at the extreme case of difficulty 1 shares with full 1 MB block templates every 30 seconds.
In practice, 2 Th/s would probably be unusable at difficulty 1, so you would be using a variable difficulty pool which would use less bandwidth for submissions (which account for about 134 KB/sec of this estimate).
Surely you jest. Are you sure that's not 18 GB/MONTH?
No, that's the unrealistic extreme upper limit. There is no upper limit besides that.
For a datacenter, 558 GB/mo is nothing anyway. The very cheapest of dedicated servers include 2500 GB.
I'll remind all those places that offer less than 2.5TB/month that they don't exist ...
Gonna take me a while ...

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PCMiner
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May 19, 2013, 06:36:24 AM
 #67

So is mining over a cellular modem connection basically impossible due to it's bandwidth usage/cost?
kano
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May 19, 2013, 08:34:58 AM
 #68

So is mining over a cellular modem connection basically impossible due to it's bandwidth usage/cost?
Use stratum with higher difficulty.
You receive on average one (small) work item per 30s (depending on the pool) + LP and send shares back at your difficulty.
Ozcoin allows you to set your difficulty for each worker.

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PCMiner
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May 19, 2013, 02:29:19 PM
 #69

Thanks.  I might be granted access to a location with free power (hydro) but it's off the grid and has no internet.  There is 4G cell service tho.  Didn't know if it's feasible to set up some miners over a cell connection without using hoards and hoards of expensive data.
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