Dear Colleagues, Registration for RIPE 63 is now open, this meeting will take place from October 31 until November 4 in Vienna, Austria. More information about this meeting, the venue and the online registration form can be found at http://ripe63.ripe.net/. If you wish to add an item to the IPv6 Working Group agenda, either something to discuss or something you want to present, please contact us via ipv6-wg-chairs [at] ripe [dot] net. Alternatively proposals for content can be submitted to the programme committee via http://ripe63.ripe.net/programme/submit-a-topic/. Deadline for these proposals is September 18th. We hope to see you all in Vienna, The chairs of the IPv6 Working Group, Marco, David and Shane