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Zero Copy networking #2

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grossmj opened this issue May 21, 2015 · 1 comment

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grossmj commented May 21, 2015

Performances could potentially be increased using "zero copy" networking features on Linux (PACKET_RX_RING or PACKET_TX_RING).

Some examples can be found there:

https://github.com/vieites4/rawsockets/blob/master/docs/snippets/packet_mmap.c
http://codemonkeytips.blogspot.ca/2011/07/asynchronous-packet-socket-reading-with.html
http://yusufonlinux.blogspot.ca/2010/11/data-link-access-and-zero-copy.html

grossmj added the enhancement label

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grossmj commented Jul 7, 2016

Implementation example: https://github.com/PhiloZhang/PacketMmap

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Network throughput lost after each topology hop GNS3/gns3-server#2092

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