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Re: [Diffserv] APIs for diffserv

Jukka MJ Manner <jmanner@cs.Helsinki.FI> Wed, 16 October 2002 07:07 UTC

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Date: Wed, 16 Oct 2002 09:37:47 +0300
From: Jukka MJ Manner <jmanner@cs.Helsinki.FI>
To: Thomas Narten <narten@us.ibm.com>
cc: diffserv@ietf.org, ipng@sunroof.eng.sun.com
Subject: Re: [Diffserv] APIs for diffserv
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	Hi, a quick answer, 


On Tue, 15 Oct 2002, Thomas Narten wrote:

> 3) What about APIs for IPv4? Aren't they needed too?

  (On Linux) The application can use:

  setsockopt(fd,IPPROTO_IP,IP_TOS, &optval, sizeof(optval));

  where optval includes the DSCP value to be used. The "IPTOS_TOS_MASK"  
is used to mask bits out, eg. the ECN bits.


	Regards,

	Jukka

Research Scient
Department of Computer Science
University of Helsinki, Finland
http://www.cs.Helsinki.Fi/u/jmanner/

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