Hello Yamamoto,
I will try to explain my problem with the current code in Ryu:
When you parse a packet, MAC and IP fields get translated into EUI-64 and
dotted format for "no reason". This has a huge impact on performance when
you have a large number of packets (As it's obvious in the benchmark
code.). Ryu's packet library "is" slower than dpkt by a factor of 5 for
unpacking and 7 for packing because of this translation.
My proposed solution is to remove automatic translation of IP and MAC
addresses into their human readable format, and make it a "lazy"
translation wherever it is necessary. (To be honest, I do not quite
understand where a dotted notation would be more beneficial than the byte
array, beside for humans.)
Again, I can submit a code/patch if you would like to see my proposed
solution.
Best,
Omid
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