1. draft-rabadan-bess-dci-evpn-overlay-00* Jorge Rabadan Senthil Sathappan Wim Henderickx Florin Balus Senad Palislamovic Ali Sajassi Dennis Cai Ravi Shekhar Anil Lohiya Interconnect Solution for EVPN Overlay networks IETF 91, November 2014 Honolulu, US (*) Previous rev: draft-rabadan-l2vpn-dci-evpn-overlay-01

2. draft-rabadan-bess-dci-evpn-overlay-00 IETF91 – November 2014 DC1. NVEs EVIEVI How to interconnect EVPN-overlay networks Interconnect without a GW draft-sd-l2vpn-evpn-overlay No MAC-VRF instance on WAN Edges WAN Edges act as ASBRs, with VNIDs used as local significant values EVPN-Overlay DC1. WAN Edges. WAN NVEs EVIEVI DC1. NVEs EVIEVI DC1. GW1. VPLSVPLS PE1 PE2 WAN NVEs EVIEVI CEs EVIEVI EVIEVI EVIEVI EVIEVI EVIEVI GW2 GW3 GW4 FW WAN Edges Interconnect with a GW draft-rabadan-bess-dci-evpn- overlay MAC-VRF instance on GWs to provide an interconnect to heterogeneous WAN networks GW can use VNIDs as local or global values Protects/isolates the Overlay network EVPN-Overlay

3. draft-rabadan-bess-dci-evpn-overlay-00 IETF91 – November 2014 Interconnect solution in dci-evpn-overlay WAN EVPN-OVERLAYS DGW-1 EVIEVI HYPERVISOR DGW-2 EVIEVI DATA CENTER INTERCONNECT FOR LAYER-2 EXTENSION WAN PEs DIFFERENT OR SAME ADMIN DOMAINS (DC AND WAN) EXISTING OR NEW WAN TECHNOLOGIES DECOUPLED MODEL INTEGRATED MODEL VPLS PBB-VPLS EVPN-MPLS PBB-EVPN EVPN-VXLAN

4. draft-rabadan-bess-dci-evpn-overlay-00 IETF91 – November 2014 Interconnect example: EVPN-Overlay to EVPN-MPLS DC2. NVEs EVIEVI DC1. GW1. EVIEVI PE1 PE2 WAN NVEs EVIEVI CEs EVIEVI EVIEVI EVIEVI EVIEVI EVIEVI GW2 GW3 GW4 FW EVPN RT-1, 3 and 4 routes are consumed and not re-exported on GWs EVPN RT-2 routes are installed and re-exported with new RD/route-target/encap and aggregated label/VNI Multi-homing (single-active and all-active) is supported An I-ESI (Interconnect ESI) is defined No need for ESI labels for the I-ESI Local ACs are supported (multi-homing is supported too) GW optimizations protect/isolate the DC EVPN-Overlay EVPN-MPLS

5. draft-rabadan-bess-dci-evpn-overlay-00 IETF91 – November 2014 Next steps The authors would like to request WG adoption IETF91 – November 2014