The core philosophy of SD-WAN within the Huawei campus architecture is the decoupling of the Underlay (the physical transport network like MPLS, Internet, or 5G) from the Overlay (the virtualized service network). By using IPsec or VXLAN tunnels, SD-WAN creates a logical network where business policies- such as application-based routing and security rules-are applied. This allows enterprises to change their service logic without modifying the underlying physical WAN infrastructure.

MPLS VPN is generally more cost-effective than traditional dedicated private lines and is widely used for enterprise interconnection because it balances cost and performance well. Industries such as railway and electric power usually prefer highly dedicated and isolated private line technologies instead of MPLS VPN.

Huawei's wireless portal allows enterprises to customize login and landing pages. This capability enables them to deploy value-added services such as brand promotion, advertisements, and other marketing activities directly through the portal interface.

Huawei's WIDS (Wireless Intrusion Detection System) and WIPS (Wireless Intrusion Prevention System) provide comprehensive air interface protection. They are designed to detect:
* Flood attacks (A): Detecting an abnormal volume of management frames (like Auth/Deauth floods).
* Spoofing attacks (B): Detecting unauthorized APs or STAs using the MAC addresses of authorized devices.
* Weak IV attacks (C): Detecting attempts to exploit older encryption (like WEP) by identifying weak Initialization Vectors.
* Brute force cracking (D): Monitoring for repeated authentication failures that indicate an attempt to guess WPA/WPA2-PSK or WAPI-PSK keys.