Inspec keywords: computer network performance evaluation; pattern matching; telecommunication traffic; digital signatures; firewalls; statistical analysis

Other keywords: multiple separate security appliances; pattern-matching algorithms; DPI signature rules; UTM system; deep packet inspection performance enhancement; security features; network packet early rejection; firewall; IDS; UTM redundant packet classification problem; independent packet manipulation systems; blended attacks; IPS; packet filtering enhancement; splay tree filters; hybrid mechanism; unified threat management system; network architectures; network traffic statistics; network packet early acceptance

Subjects: Data security; Other topics in statistics; Cryptography; Computer networks and techniques; Computer communications; Other topics in statistics; Computer network performance