The IAOC is pleased to announce London as the site for IETF 101 from 18 - 23 March 2018. This will be the IETF's third meeting in London. The IETF met in London for IETF 51 in 2001, hosted by BTexact Technologies and had 2,226 attendees; and then again at IETF 89, hosted by ICANN, and had 1,400 attendees. The Proceedings for those meetings can be found here: <https://www.ietf.org/proceedings/51/> and here: <https://www.ietf.org/proceedings/89/>. Those who may be interested in hosting or sponsoring this or any future meeting are invited to contact Howie Baggott, baggott at isoc.org. See Host Opportunities below. Ray Pelletier IETF Administrative Director 2017 IETF 98 Chicago 26 - 31 March Host Opportunity IETF 99 Prague 16 - 21 July COMCAST-NBCUNIVERSAL & CZNIC IETF 100 Singapore 12 - 17 November CISCO 2018 IETF 101 London 18 - 23 March Host Opportunity IETF 102 San Francisco 22 - 27 July JUNIPER IETF 103 Asia 4 - 9 November Host Opportunity 2019 IETF 104 Europe 24 - 29 March Host Opportunity IETF 105 Montreal 21 - 26 July Host Opportunity IETF 106 Asia 17 - 22 November Host Opportunity