During the past decade, increasing requirements for the networking infrastructure have led to the development of network processors (NPs). The current thesis proposes a new architectural approach to the network processing problem, in which dedicated hardware modules in the ingress and egress data path relieve a central processor cluster. Especially, a hardware unit for packet classification is proposed and developed, which identifies the incoming traffic in real-time and dispatches the packets to the most suitable processing elements within the heterogeneous multi-processor cluster taking QoS requirements into consideration. The presented offload doubles the forwarding throughput of the new NP in comparison to state of the art architectures with the same amount of processing resources.
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During the past decade, increasing requirements for the networking infrastructure have led to the development of network processors (NPs). The current thesis proposes a new architectural approach to the network processing problem, in which dedicated hardware modules in the ingress and egress data path relieve a central processor cluster. Especially, a hardware unit for packet classification is proposed and developed, which identifies the incoming traffic in real-time and dispatches the packets t...
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