Date: Wed, 14 May 1997 17:35:18 -0400 From: dennis <dennis@etinc.com> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it>, mcnicholl@real.com (David Sean McNicholl) Cc: freebsd-isp@FreeBSD.ORG Subject: Re: Limiting Bandwidth. Message-ID: <3.0.32.19970514173510.008f69d0@etinc.com>
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At 10:08 PM 5/14/97 +0200, Luigi Rizzo wrote: >> Hi, >> Other than dummynet ( http://www.iet.unipi.it/~luigi/ ), does anyone of >> bandwidth limiting software. The obvious limitation to dummynet is that it >> aonly restricts tcp. > >it is not difficult to limit UDP as well, you clone the two functions >tcp_ip_input() and tcp_ip_output() with almost identical ones, >udp_ip_input() and udp_ip_output, and establish the proper calls between >the udp and ip layers. You can use the same (global) bw limit for both >TCP and UDP, or set up different limits for TCP and UDP (e.g. to limit >NFS or multicast traffic)... > >I have not the time to work on it now, but it is not complex, really. I've heard of a pretty neat product that limits bandwidth for all types of traffic, even by IP address! :-) See http://www.etinc.com Dennis
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