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SubjectRe: IP: optimize as a router not host
On 16 Mar 96 at 7:13, Herbert Rosmanith wrote:

> hello,
>
> reading about "IP: optimize as a router not host" says, that this will
> turn off checksum calculation. couldn't this be done automatically,
> i.e. for any packet that is known to be routed, don't perform checksum
> calculus, while any other packet, that directly addresses this host,
> will be checksummed (e.g. any address that contains one of our
> interface addresses in the dest field).

In case of a bad checksum, wouldn't it be better for the router to
discard/reject the packet as compared to forward it. In the latter
case an other version of that packet will pass the router again (if
the logical endpoint of the VC (virtual connection) complained).

I see no advantage.

>
> /herp

Ulrich


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