[asterisk-users] Semi-OT Satellite?

[Alex Balashov]

Darren Sessions wrote:

> I've used C-Band, Ku-Band, and DVB satellite internationally with VoIP 
> for years at a previous employer and rarely had any problems was the 
> sat link was up and running. 
> 
> If you do plan on having 'remote offices', you'll want to make sure they 
> all come back to a central earth station (hub and spoke topology) or 
> you'll have virtually insurmountable latency issues (as Femi mentioned). 
> Whatever you do though, don't stick the remote offices with their own 
> internet bandwidth using VPN to connect to the home office for voice, 
> data services as VPNs are extremely problematic over satellite.

Yes, indeed.  Encapsulation protocols such as IPSec/GRE won't work at 
all over high RTT latency (>= 400 ms).

-- 
Alex Balashov
Evariste Systems
Web    : http://www.evaristesys.com/
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