[Olsr-dev] [PATCH 2/4] smart gateway: do not stop choosing a new (better) gateway

[Henning Rogge]

I agree to Teco, a solution with a hysteresis based on the distance to 
the gateway would be a much superior solution compared to the current one.

A solution that keeps multiple tunnels up would be even better, but 
would need some kind of connection tracking. This could become very 
complicated, unless we switch to IPv6 and reconfigure the client address 
each time we switch the gateway.

Henning

On 12/08/2011 02:12 PM, Teco Boot wrote:
> I saw a "bug" in old behavior. When first selected SGW was lost, no new SGW was selected. The patch in default SGW code should check current tunnel, and set up new one if it was lost.
>
> A more advanced SGW would switch when a far better SGW is available, e.g.<  70% of current SGW costs (70% would be a parameter, similar to NAT-Threshold).<  0% would disable switchover, this could be the default.
>
> Even more advanced: set up multiple SGW tunnels, use best SGW for new connections and keep using these for those connections. How to do this needs more thoughts.
 >
>> so how do you propose we continue this?
>>
>>
>> --
>> Ferry Huberts
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Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
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