Subject: Re: [linux-audio-dev] Re: Audio over Ethernet
From: Erik de Castro Lopo (erikd-lad_AT_mega-nerd.com)
Date: Thu Apr 15 2004 - 14:10:55 EEST
On Thu, 15 Apr 2004 12:07:07 +0200
Anders Torger <torger_AT_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_AT_mega-nerd.com (Yes it's valid) +-----------------------------------------------------------+ "Only wimps use tape backup: *real* men just upload their important stuff on FTP, and let the rest of the world mirror it ;)" -- Linus Torvalds
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