[openib-general] Re: More on IPoIB Multicast

Nitin Hande Nitin.Hande at Sun.COM
Thu Nov 18 09:44:11 PST 2004


Nitin Hande wrote:
> Hal/Roland,
> Hal Rosenstock wrote:
> 
>>On Tue, 2004-11-09 at 12:07, Roland Dreier wrote:
>>
>>
>>>multiport bonding/failover
>>>(although my feeling is that it would be better to extend the existing
>>>bonding driver rather than trying to put this in the IPoIB driver), ....
>>
>>
>>I'm not clear what the tradeoffs / pros / cons of the two approaches
>>(use the bonding driver (above the IPoIB driver) or implement it inside
>>the IPoIB driver) would be.
> 
> I just started taking a look at the existing bonding driver and
> evaluating what work needs to be done to support ipoib driver below it.
> It seems to me like a lot of pieces for this approach are readily
> available (ifenslave and other logic) etc and besides I guess that will
> keep one standard approach of doing bonding in linux. I also assume that
> while the ipoib gets enslaved, it will get enough opportunity to take
> right set of steps for its present connections and traffic etc. 
Oh well, looking at the code, first thing ifenslave is doing is bringing
the slave interface down, thereby resulting in ipoib to flush its traffic.

Thanks
Nitin

I might
> be wrong here though. Would like to hear from other members about this one.
> 
> Thanks
> Nitin
> 
> 
>>-- Hal
>>
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> 
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