On Fri, 2 Feb 2001, Yu-Shun Wang wrote:
> Hi,
>
> What you pointed out below is true. But I am more
> interested in the relative performance since the number
> I measured were under exactly the same setup and traffic
> condition. I am just curious why IPComp was _relatively_
> (and signigicantly) slower than most of the encryption
> algorithm. So I guess bandwidth is probably not the best
> pointer since what I end up comparing was really the
> implementations of different encryption/compression
> algorithms which are CPU-bound in this case.
>
> regards,
>
> yushun.
I don't understand why you're comparing encryption and compression
algorithms. Yes, encryption does a lot of bit twiddling, which takes up
processor time. However, compression has to do a lot of comparisons,
looking back and ahead all the time. It's quite amazing to me that a
compression algorithm even comes close to the speed of an encryption
algorithm, frankly.
Mike "Silby" Silbersack
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