From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ian McDonald" Date: Tue, 25 Sep 2007 09:27:05 +0000 Subject: Re: [PATCH 1/5] CCID 4: Adds Kconfig, Makefile, and new CCID to include/linux/dccp.h Message-Id: <5640c7e00709250227l4e74a704x30de416121fac08d@mail.gmail.com> List-Id: References: <20070920112021.GB1288@kikai.katei.fi> In-Reply-To: <20070920112021.GB1288@kikai.katei.fi> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dccp@vger.kernel.org On 9/25/07, Gerrit Renker wrote: > Ian McDonald wrote: > | + * 16-20ms to match the typical multimedia inter-frame interval > | > + * 100ms as a reasonable compromise [default] > | > + * 1000ms corresponds to the lower TCP RTO bound (RFC 2988, 2.4) > | > + > | > | But Linux actually uses 250 ms for TCP here, not 1000 ms. You might > | want to add that. > | > The others are not guilty of this change - the text was copied verbatim from the CCID3 menu. > And the CCID3 menu was copied from emails on dccp@ietf. I think Colin Perkins suggested the > lower, frame-based value, whereas 100ms were suggested by Mark Handley. Good to know about > the Linux value -- this is all meant for experimentation, maybe the 1000ms can then go? > I have been using the default of 100ms for a long while, but not done feedback loss tests. I've just cced you all in on something I dug up through the iccrg list not so long ago. Makes interesting reading. Regards, Ian -- Web1: http://wand.net.nz/~iam4/ Web2: http://www.jandi.co.nz Blog: http://iansblog.jandi.co.nz