Both are overlay data planes. Neither encrypts the inner payload — confidential traffic must be layered on separately (IPsec, WireGuard, TLS).
| Galactic | VXLAN | |
|---|---|---|
| Encap format | SRv6 uSID in IPv6 header (RFC 8986) | VXLAN (UDP-MAC-in-IP), VNI |
| Dataplane | eBPF TC-BPF (usid.c) + kernel SRv6 |
kernel vxlan device / vSwitch |
| Control plane | BGP EVPN Prefix-SID | (typically) BGP EVPN MAC/VNI or static |