Embedded Network Processor Based Parallel Intrusion Detection

One of the challenges on Internet intrusion detection (ID) is detecting the intrusion on high-speed networks. To cope with the intrusion on gigabit Ethernet or higher network links, the ID devices must utilize high-speed hardware, parallel structure and efficient algorithms. This paper presents a parallel approach of ID scheme based on network processor, the embedded processor for network devices. In this approach, packets from the network flow through multiple network processors. Within the network processor, multiple network processing engines are used to process the network data in parallel, each network processor/processing engine detect the packet flow for a subset of intrusion signature. The ID scheme is a MISD parallel mode. Data flow from the network is a single packet flow, and the detection device is a multiprocessor structure with different programs.