Challenges
- Datacenter - SOTA
- Mobile telephony - Wireless
- IoT - Each purpose per device
Network Types

Ethernet VPN - Wikipedia
Ethernet VPN ( EVPN) is a technology for carrying layer 2 Ethernet traffic as a virtual private network using wide area network protocols. EVPN technologies include Ethernet over MPLS and Ethernet over VXLAN.
https://en.wikipedia.org/wiki/Ethernet_VPN

Seonglae Cho