From: shiran guez (shiranp3@gmail.com)
Date: Mon Oct 01 2007 - 09:51:16 ART
although the RFC do not indicate that it will drop one packet over another
what it dose say is that the flow that behaves under congestion like a flow
produced by a conformant TCP. A TCP-compatible flow is responsive to
congestion notification, and in steady-state it uses no more bandwidth than
a conformant TCP running under comparable conditions (drop rate, RTT, MTU,
etc.)
meaning that if the flow will not be a "TCP compitable" then the RED will
not be able to detect the flow and drop the packet and for that they
specificly say that application like Video and Voice need to implement such
mechanizem inside them for the RED to work.
So it dosnt say that it will prefer one traffic over another but in today
network / applications the real traffic that will be Detected is TCP based
applications.
if for example you will have both flow TCP and UDP and the buckets will be
full both will have dropped packets but only based on the Detection of the
TCP flow.
This is how I understand the RFC
On 10/1/07, Sadiq Yakasai <sadiqtanko@gmail.com> wrote:
> Hi Mike,
>
> RED/WRED drops any packet in the queue, regardless of what the type of
> packet it is...
>
> Even the RFC doesnt say it applies to TCP...
>
> http://www.ietf.org/rfc/rfc2309.txt
>
> Clearly, TCP utilizes it the most (it was probably designed with TCP in
> mind)...
>
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-- Shiran Guez MCSE CCNP NCE1 http://cciep3.blogspot.com http://www.linkedin.com/in/cciep3
This archive was generated by hypermail 2.1.4 : Fri Nov 16 2007 - 13:11:11 ART