Agenda: Presenters: Problem statements: Petr Lapukhov - FB Dmitry Afanasiev - YANDEX Russ White/ Shawn Zandi - LinkedIn   Solutions proposed: Keyur Patel, Arrcus  - Shortest Path Routing Extensions for BGP Protocol, draft-keyupate-idr-bgp-spf Naiming Shen , Cisco  - IS-IS Routing for Spine-Leaf Topology, draft-shen-isis-spine-leaf-ext Tony Przygienda, Juniper - RIFT: Routing in Fat Trees, draft-przygienda-rift Bhumip Khasnabish, ZTE - Generic Fault-avoidance Routing Protocol for Data Center Networks, draft-sl-rtgwg-far-dcn