Dear colleagues, RIPE 63 takes place on 31 October - 4 November 2011 in Vienna, Austria. The RIPE Programme Committee is now seeking content proposals from the RIPE community for the Plenary, BoF and tutorial sessions at RIPE 63 covering subjects including but not limited to: • IPv6 deployment • Data centre technologies • Network and DNS operations • Internet governance and regulatory practices • Network and routing security * Content delivery * Internet peering and mobile data exchange Submissions ------------ Content proposals must be submitted for full consideration no later than *18 September* using the online topic submission system at: http://meetings.ripe.net/pc/ If you have any questions or requests concerning content submissions, please email <pc@ripe.net>. For more information about RIPE 63, including how to register, visit: http://ripe63.ripe.net/ Kind regards, The RIPE Programme Committee