[asterisk-users] Load balenced (ADSL) network connections, is it possible?

[jacobso1]

Unless my brain did melt down under the high heat here, there are a few
things I would share :

 

-          1 channel u-law uses at least 80k because of encapsulation

So, think about compression

-          You can never use 100% of a bandwidth. (80% is a good max)

-          The values given are maximum values, far from the guaranteed
values

-           

 

Instead of adsl, I would go for sdsl (symmetrical)

Where adsl is possible, sdsl is normally also possible

Sdsl is more expensive but you can demand sla, higher guaranteed bandwidth
(up to 50 or 100%)

 

Never forget that the guaranteed bandwidth is between your router and the
first equipment of your provider. 

You get NO warranty you have that bandwidth further away even on your isp
backbone.

 

Isp sales men always forget to talk about that

If they say you get 100% to use all the time, sign immediately IF they put
that WRITTEN alongside financial compensation if they fail.

Dear mister sales man, you do not have to worry about compensation since you
guaranteed it would not happen  ;-)

 

 

Other problems you will face with several IP’s :

 

Even if you can manage several IP’s for the outgoing traffic, you cannot for
incoming traffic as those are unaware of your situation

Or they need to put multiple entries for you asterisk and try those
sequentially

Or you could go up for incoming calls and down for outgoing calls

That is a simple solution, that will statistically work but NO warranty

NOT really a telco way 

 

Routing problems might occur

 

…

 

 

Regards,

 

T. Jacobson 

 

 

 

 


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