15 Apr
2004
15 Apr
'04
9:17 a.m.
On Thu, 15 Apr 2004 12:07:07 +0200
Anders Torger <torger(a)ludd.luth.se> wrote:
Perhaps RTP is good enough. However, at several
hundreds of megabits of
throughput, it could be valuable not needing to calculate checksums in
software. I guess IP and UDP checksums usually are calculated in
software.
That used to be the case but not anymore. Many modern cards to hardware
checksum calculations. I think this is also a prerequisite for zero
copy networking so any card which can do zero copy networking should
also do hardware checksumming.
Erik
--
+-----------------------------------------------------------+
Erik de Castro Lopo nospam(a)mega-nerd.com (Yes it's valid)
+-----------------------------------------------------------+
"Only wimps use tape backup: *real* men just upload their
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