[asterisk-biz] ITU - Amazing Finds

[Matthew Rubenstein]

	Which is the other wireless system that works "perfectly" (hard to
believe - what works perfectly, except doing and expecting nothing? ;)?
Does it offer the redundancy and capacity that mesh offers?


On Sun, 2006-12-10 at 18:34 +0000, Senad Jordanovic wrote:
> Hi Nick
>  
> We had a switch installation in Spain which used exclusively below
> solution.
> Accordingly to the customer, UK guys came over, installed few base
> stations (and I am talking the full works here including the towers on
> top
> of the hills), collected thousands of euros and left.
>  
> Since then, the stability of the wireless network was, well to put it
> mildly, not up to any acceptable commercial standard.
> I have personally experienced: (lets get to tower, it needs
> rebooting) :) and customers calling complaining about QoS (while
> barely able to hear them)
>  
> Customer also had since then deployed another wireless solution, and
> had not a single issue. Works perfectly.
>  
> I am not trying to start flames here... just need facts.
> Why would that be the case? Why would a mesh network not perform?
> What factors does it get influenced by? Etc...
>  
>  
>  
> Regards,
>  
>  
> Senad
>  
>  
> 
> 
> ______________________________________________________________________
> From: asterisk-biz-bounces at lists.digium.com
> [mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Nick Stein
> Sent: 10 December 2006 18:09
> To: asterisk-biz at lists.digium.com
> Subject: [asterisk-biz] ITU - Amazing Finds
> 
> 
> 
> If you want open source for mobile ad hoc networks (manets), you might
> try looking at http://www.olsrd.org
> 
>  
> 
> I have been following them for a few years and the software is
> maturing nicely.  Since source is available, you can cross compile and
> put it on a WRT54G or other linux router with asterisk also installed
> on the router.  It is based on the IEEE OLSR standard. One of the more
> popular installs is http://freifunk.net/ from Germany.  
> 
>  
> 
> Also <a href=”http://www.locustworld.com/“>Locustworld</a> has a
> pretty good product that is used commercially quite widely.
> 
>  
> 
> That being said, I still like the meshcom solution as it layers two
> fairly stable technologies for what looks like a nice robust solution.
> 
>  
> 
> From a business perspective, and that is what this list is about,
> getting into mesh is another world from ip-telephony.  Mesh is
> probably as complicated as sip and iax.  I find the concept of a manet
> running sip to be quite exciting.  But there are still many technical
> issues that I have not been able to resolve.
> 
>  
> 
>      1. How do you manage QOS on uncertain bandwidth? 
>      2. How do you manage DIDs on temporary nodes? 
>      3. How do you manage your sip.conf for extensions that may float
>         in and out? 
> 
>  
> 
> Nick Stein
> 
> 
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(C) Matthew Rubenstein