Re: [slim] Curious about wireless route

2008-02-11 Thread Zaragon

That would depend upon how the repeater is configured in terms of how
the internal OS handles devices that are both associated with it. It
could just turn the packets around making it two hops.


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Re: [slim] Curious about wireless route

2008-02-11 Thread Mike Schenk

Zaragon;268136 Wrote: 
> It would be 3 hops, Server to AP, AP to Repeater, Repeater to player.
> Depending upon whether the repeater is doing store and forward on the
> same channel or using two channels will affect latency. 

It could be 4 hops, Server to Repeater, Repeater to AP, AP to Repeater,
Repeater to Player. Which would happen if both server and player are
within best coverage of the repeater.

In general, a repeater in a wireless network is always a suboptimal
solution. It would be better to have two APs in that case, each
connected wired to the backbone. Or use a better antenna on the AP.


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Re: [slim] Curious about wireless route

2008-02-11 Thread Zaragon

Peter;267950 Wrote: 
> Witth a repeater in the picture it's even worse isn't it?
> Worst case, each packet of music could travel 4 wireless hops...
> 
> Regards,
> Peter

It would be 3 hops, Server to AP, AP to Repeater, Repeater to player.
Depending upon whether the repeater is doing store and forward on the
same channel or using two channels will affect latency. 

Radish is right in this case I was considering that the end devices may
have perfect signals but if the link between the AP and repeater is bad
then it could be saturated with retries which the end devices don't
see. The link test would give some indication of that effect.


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Re: [slim] Curious about wireless route

2008-02-10 Thread Peter
Zaragon wrote:
> Network usage is measured over time rather than instantaneously. (If you
> think about it a network is either 100% in use or 0%). If you are using
> a repeater then, depending upon it's type, you could be having
> significant retries between the AP and repeater that isn't seen at
> either end. This would reduce your throughput and hence the network
> utilisation figures.
>   

Witth a repeater in the picture it's even worse isn't it?
Worst case, each packet of music could travel 4 wireless hops...

Regards,
Peter

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Re: [slim] Curious about wireless route

2008-02-10 Thread Zaragon

Network usage is measured over time rather than instantaneously. (If you
think about it a network is either 100% in use or 0%). If you are using
a repeater then, depending upon it's type, you could be having
significant retries between the AP and repeater that isn't seen at
either end. This would reduce your throughput and hence the network
utilisation figures.


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Re: [slim] Curious about wireless route

2008-02-10 Thread cjhabs

I have the same setup, ss and sb3 both wireless.
I have had stuttering at various times. One cause was a neighbor's
wireless network operating on the same channel.

I still get it occasionally, but I am pretty sure it is not due to the
network - I have a repeater and my commection is rarley less that
36Mbps - I believe it occurs when I am ripping cd's, streaming FLACs
and working interactively. At this time cpu usage hits >50% and the
disk access lights are pretty much permanantly on, but network usage
never hits 5% - so while I agree it is not the optimum configuration, I
feel it should work.

Habs


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Re: [slim] Curious about wireless route

2008-02-10 Thread Pat Farrell
wireless200 wrote:
> I was wondering, when the squeezebox is streaming from the computer does
> the datastream from the computer go back to the router and then to SB? 
> I have both my computer and the SB doing wireless.  I thought it would
> be more efficient to go straight from the computer to the SB but does
> it do that?

It takes two hops. As you guess, this is not optimal.

If you can, it is much better to have one leg wired.

Not only is the data flowing over two hops, but there is other traffic, 
acknowledgement, error blocks, etc that also get to make two hops

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Re: [slim] Curious about wireless route

2008-02-10 Thread Peter
wireless200 wrote:
> I was wondering, when the squeezebox is streaming from the computer does
> the datastream from the computer go back to the router and then to SB? 
> I have both my computer and the SB doing wireless.  I thought it would
> be more efficient to go straight from the computer to the SB but does
> it do that?
>   

Yes, the way you have things setup, the data passes the wireless 
connection twice (two wireless hops). It's always better to have one 
side (usually the server) wired to the WAP (wireless access point). 
That's the way I have things running.

Regards,
Peter

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[slim] Curious about wireless route

2008-02-10 Thread wireless200

I was wondering, when the squeezebox is streaming from the computer does
the datastream from the computer go back to the router and then to SB? 
I have both my computer and the SB doing wireless.  I thought it would
be more efficient to go straight from the computer to the SB but does
it do that?

regards, David


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