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I believe it should be possible to use IPIP tunneling in this situation.
Use a single load balancer connected to one of the DSL lines.
Use the remaining DSL lines for real servers.
Point all incoming traffic at the load balancer (as usual). The balancer
will select a real server and forward the request packets to it through
the IP tunnel. (You could even use your backend NFS network for this to
avoid the extra traffic over the DSL lines.).
All response packets will then go out through the 9 DSL lines connected to
the real servers. Assuming this is mostly web traffic with a
response/request bandwith ratio of about 10:1 you should be able to
saturate the outgoing bandwith on your DSL lines (if the load is well
balanced :).
Can anyone see a reason why this wouldn't work?
-Ian
On Thu, 6 Jul 2000, Jon Oringer wrote:
> I understand the LVS application for 1 internet connection (say 15 MBits)
> and 10 servers - each of which will have an equal load...
>
> But -- My situation is a bit different.. I have 10 separate 1.5Mbit DSL
> Lines.. (a total of 15Mbits)... and 10 servers.. Each box serves web pages
> only (via apache).. Right now I planned to use only round robin DNS for each
> of the 10 servers to balance the load.. there is a sep. disk servers
> avail via. NFS. Each box looks exactly the same from the web (they all
> share the same web
> directory via. NFS).
>
> The examples for LVS describes one internet line, and multiple servers..
>
> Can LVS be used for multiple internet lines, and multiple servers?
> Or should I just stick with round robin DNS?
>
> Thanks!
> -Jon
>
>
>
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