I know that WISPs tend to like things in inverse proportion to their price.  
And it appears that Procera, Saisei and Preseem are in the ballpark of 4x, 2x 
and 1x on price.  It’s easier to compare Saisei and Preseem since they both 
have per subscriber pricing.

 

All the comments about Preseem have been that it works good, not that it’s 
cheaper, but I have to ask.  If the price per subscriber was the same between 
Saisei and Preseem, would you still prefer Preseem?

 

It does make sense that supporting DPI and constantly updating the DPI 
signatures would cost more than a flow based product that doesn’t try to do 
DPI.  I also understand (maybe) the fact that with DPI you have to configure 
and constantly tweak the policies according to what you want to prioritize, and 
that maybe it’s better to have something that you just plug it in and it just 
works.

 

 

From: AF <[email protected]> On Behalf Of Darin Steffl
Sent: Tuesday, November 13, 2018 1:21 PM
To: AnimalFarm Microwave Users Group <[email protected]>
Subject: Re: [AFMUG] bandwidth management appliance opinions

 

I'll say we've used procera, saisei, in the past and they're DPI. They're cool 
and you can do lots of things with them. They also require hands-on attention 
and tweaking. They give you NO usable QoE data so you still can't tell where 
you have trouble in your network or individual customers like you can with 
preseem. 

 

We now use preseem for about 11 months and we love it! It's not DPI so don't 
even think that you can shape individual types of traffic like video, updates, 
etc because thats not what it is. 

 

It requires no tweaking or hands-on configuration at all and preseem guys do 
all the work for you. It provides the best QoE data of any service out there 
and really helps tell you what tower, sector, or customer is having a bad 
experience so you can fix it. On top of this valuable data, it does your rate 
plan shaping and it does it damn well to boot. Customers can now max out their 
rate plans without a spike in latency or complaints or laggy gaming or slow web 
browsing. It allows small traffic flows like voip, dns, web browsing, gaming to 
"jump the queue" so to speak so large flows like video and updates don't slow 
everything down. 

 

It's very handy. I've rate shaped my home down to 3 mbps and still was able to 
run 2 Netflix streams, 1 YouTube, plus a voip call and web browse without any 
lag or buffering whatsoever. 

 

I highly recommend anyone do a trial with preseem and you'll be happy campers. 

 

On Tue, Nov 13, 2018, 1:34 PM Mike Hammett <[email protected] 
<mailto:[email protected]>  wrote:

Bufferbloat is over-hyped.

Also, https://people.ucsc.edu/~warner/buffer.html

 



-----
Mike Hammett
 <http://www.ics-il.com/> Intelligent Computing Solutions
 <https://www.facebook.com/ICSIL>  
<https://plus.google.com/+IntelligentComputingSolutionsDeKalb>  
<https://www.linkedin.com/company/intelligent-computing-solutions>  
<https://twitter.com/ICSIL> 
 <http://www.midwest-ix.com/> Midwest Internet Exchange
 <https://www.facebook.com/mdwestix>  
<https://www.linkedin.com/company/midwest-internet-exchange>  
<https://twitter.com/mdwestix> 
 <http://www.thebrotherswisp.com/> The Brothers WISP
 <https://www.facebook.com/thebrotherswisp>  
<https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> 





  _____  


From: "Ken Hohhof" <[email protected] <mailto:[email protected]> >
To: "AnimalFarm Microwave Users Group" <[email protected] 
<mailto:[email protected]> >
Sent: Tuesday, November 13, 2018 11:59:53 AM
Subject: Re: [AFMUG] bandwidth management appliance opinions

Where is this alleged bufferbloat coming from?

 

It can’t be from rate queues.  The highest we set our Mikrotik queues is around 
40 packets before they start dropping packets.  We have pushed the queue depth 
higher to signal congestion to TCP Vegas style implementations.  But at 10 Mbps 
that’s still only ~40 milliseconds of delay.  I don’t think that qualifies as 
bufferbloat.

 

Where in a typical WISP network are these huge buffers?  Are you talking about 
APs at 100% of capacity?  I admit I don’t know how much data an AP will buffer 
waiting for a timeslot to send the data over the air.  But the only time I see 
latencies soar toward 1 second under load is on my one hated WiMAX basestation, 
and I think that may be due to excessive HARQ retries or something.

 

 

From: AF <[email protected] <mailto:[email protected]> > On Behalf 
Of Dev
Sent: Tuesday, November 13, 2018 11:41 AM
To: AnimalFarm Microwave Users Group <[email protected] <mailto:[email protected]> >
Subject: Re: [AFMUG] bandwidth management appliance opinions

 

I looked at a couple variations of buffer bloat management, and have decided to 
build my own and maybe just open source the thing for “people who feel 50K 
seems excessive” and just need some basic functionality on a vanilla Linux box. 
The open source tech is out there, it’s just tying it all together in some sane 
way. I hope others will open source what they’re working on too, that’s what 
the community is about. I feel like the community is moving away from including 
the little guys these days.

 


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