As someone new to openflow can you give some scenarios under which I proactively install flows. I thought the default behavior is to send the first packet? Regards Brian lee
Sent from my iPhone On 25 May 2011, at 10:20, Ben Pfaff <[email protected]> wrote: > On Tue, May 24, 2011 at 08:47:05PM +0200, Jose Luis Franco Arza wrote: >> I am an doing some scalability testings for my Master Thesis related to >> OpenFlow. One of the aims is to obtain a limitation in the number of flows >> per second that the NOX controller can install. Using an UDP packet >> generator and sending packets in a UDP ports range (each port corresponds to >> a new flow) I have been trying to obtain a limit for the number of flows >> installed in the flow table and how many flows per second can be installed >> obtaining a good performance in the network. > > If your goal is scalability, I doubt that sending the first packet of > every flow up to the controller is a good way to achieve it. Your > network will scale better if you proactively install flows, reducing > the need to send traffic to the controller. > > You didn't say what version of OpenFlow you had installed, but it may > not make sense to use the OpenFlow reference implementation for > scalability testing. I don't think it's designed for performance but > rather for simplicity. > _______________________________________________ > openflow-discuss mailing list > [email protected] > https://mailman.stanford.edu/mailman/listinfo/openflow-discuss > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ _______________________________________________________________________ The information contained in this email is confidential and is designated solely for the attention of the intended recipient(s). If you have received this email in error, please do not use or transmit it for any purpose but rather notify us immediately and delete all copies of this email from your computer system(s). Unless otherwise specifically agreed by our authorised representative, the views expressed in this email are those of the author only and shall not represent the view of or otherwise bind Athlone Institute of Technology. Contact [email protected] or telephone 090 6424400. Please consider the environment before printing this e-mail or its attachment(s) ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________ _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
