Explanation
CloudEngine S5731-H supports VxLAN. It can implement Layer 2 and Layer 3 gateways for VxLANs, support centralized and distributed gateways, and interwork with BGP-EVPN to implement inter-subnet communication between VxLANs3. CloudEngine S5731-H delivers a switching performance of 336 Gbit/s3.
CloudEngine S5731-H supports MPLS and can provide L2VPN and L3VPN services based on MPLS tunnels. CloudEngine S5731-H supports 2-port 40GE and 8-port 10GE optical/electrical cards that can be installed in the extended slot

Explanation
HiSec Insight is a security analysis platform that provides comprehensive protection against advanced persistent threats (APTs) and application layer DDoS attacks . It uses big data analysis and machine learning techniques to detect and block malicious traffic, identify attack sources, and generate security reports . The other products are not specialized in defending against application layer DDoS attacks. USG6000E is a series of next-generation firewalls that provide network security and VPN services . AntiDDoS is a series of products that provide protection against network layer DDoS attacks . FireHunter is a series of sandbox products that provide malware detection and analysis .