On Wed, Feb 07, 2007 at 07:23:47PM -0500, Hal Rosenstock wrote:
> > One feature I've thought has been underused in IBA is the raw IPv6
> > packet feature.
>
> I thought raw support (including IPv6 header) although still in the spec
> was largely deprecated as the CRC protection was deemed too weak.

I would envision using the raw support primarily for ICMP6. Ie
diganostics (ping/traceroute) and router messages (Packet to big, ICMP
Redirect, etc). Not to offset IPoIB as a high performance solution. In
this role the reduced MTU that you get because of CRC-16's limited
protection shouldn't be a big problem.

Jason

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