Advantages
The advantages that knowledge based processors offer are the ability to execute multiple simultaneous decision making processes for a range of network-aware processing functions. These include routing, Quality of service (QOS), access control for both security and billing, forwarding of voice/video packets. These functions improve the performance of advanced Internet applications in IPv6 networks such as VOD (Video on demand), VoIP (voice over Internet protocol), and streaming of video and audio.
Knowledge-based processors use a variety of techniques to improve network functioning such as parallel processing, deep pipelining and advanced power management techniques. Improvements in each of these areas allows for existing components to carry on their functions at wireline speeds more efficiently thus improving the performance of the overall network.
The databases in a knowledge-based processor include classification tables, forwarding tables, and exact match tables- all of which are utilized by the CPU and network processors. Some companies use a glueless process enabling the quick installation of the knowledge based processor to the network system.
Knowledge based processors mainly process packet headers (20% of the packet approximately) which enables network awareness. Content processors, by contrast, allow for packet payload inspection (80% of the packet is data) and therefore must search "deeper" into the packet.
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