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Home > Solutions > WAN Solutions

IIJA offers several different WAN solutions to design the customer's site-to-site network. The customer with varied network configuration, requirements and budget can pick a best suited WAN solution.

Wide Area Ethernet (L2)

Connects customer sites with Ethernet (L2) to build a closed private WAN network. The network is protocol free and allows non-IP protocols.

IIJA Internet-LAN (L2TPv3)

L2 equivalent WAN service using L2TPv3 tunnels encrypted with IPsec.

IPsec VPN

Secure WAN environment with encrypted IPsec tunnels on IP network.
Wide Area Ethernet Internet-LAN IPsec VPN Frame Relay
OSI Layer Layer 2 Layer 3 Layer 3 Layer 2
Supported Protocols Multi-protocol Multi-protocol IP Multi-protocol
Bandwidth Control None
(QoS on CPE side) 		None
(QoS on CPE side)		 None
(QoS on CPE side)		 None - bandwidth guaranteed by CIR
Encryption No No Yes No
VPN User traffic isolated by VLAN tag Tunnel + Authentication + Encryption Tunnel + Authentication + Encryption PVC by DLCI identifier
Cost Low Mid Mid High

Case Study 1: Wide Area Ethernet (L2)

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