On March 10, 2011, The NRO submitted responses to two additional ITU IPv6 Group Liaison Statements based on its contribution to the ITU IPv6 Group meeting held in September of 2010. – NRO response to Liaison Statement 3, C19 “Problems and solutions” is available: http://www.nro.net/wp-content/uploads/nro-response-to-ls-3.pdf – NRO response to Liaison Statement 4, IPv4 Issues, is available: http://www.nro.net/wp-content/uploads/nro-response-to-ls-4.pdf The responses were completed in preparation for the third meeting of the ITU IPv6 Working Group which is set to convene in Geneva, Switzerland April 7 and 8. The NRO will be represented at this event through the participation of those RIRs who are members of the ITU. NRO Secretariat