secunet SINA L2 Box vs ZeroTier Platform: Side-by-Side Comparison (2026)

secunet SINA L2 Box: Hardware Layer 2 Ethernet encryption appliance for classified networks. built by secunet Security Networks AG. Core capabilities include Layer 2 Ethernet encryption with throughput up to 100 Gbit/s, BSI-approved classifications from VS-NfD/RESTRICTED up to GEHEIM/NATO SECRET and EU SECRET, Smartcard-based (SINA ID Token) authentication and key storage..

ZeroTier Platform: SD networking platform creating encrypted P2P virtual overlays across distributed infra. built by ZeroTier. Core capabilities include Cryptographic identity-based device authentication, End-to-end encrypted traffic, Peer-to-peer connectivity with NAT traversal..

Both serve the VPN market but differ in approach, feature depth, and target audience.

secunet SINA L2 Box differentiates with Layer 2 Ethernet encryption with throughput up to 100 Gbit/s, BSI-approved classifications from VS-NfD/RESTRICTED up to GEHEIM/NATO SECRET and EU SECRET, Smartcard-based (SINA ID Token) authentication and key storage. ZeroTier Platform differentiates with Cryptographic identity-based device authentication, End-to-end encrypted traffic, Peer-to-peer connectivity with NAT traversal.

secunet SINA L2 Box is developed by secunet Security Networks AG. ZeroTier Platform is developed by ZeroTier. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

secunet SINA L2 Box and ZeroTier Platform serve similar VPN use cases: both are VPN tools, both cover Encryption, Network Segmentation, Quantum Safe. Review the feature comparison above to determine which fits your requirements.