Standards
All networks are required to perform the following functions:
- IPv4/IPv6 multilayer packet/flow classification
- Policy-based routing and Policy enforcement (QoS)
- Longest Prefix Match (CIDR)
- Differentiated Services (DiffServ)
- IP Security (IPSec)
- Server Load Balancing
- Transaction verification
All of the above functions must occur at high speeds in advanced networks. Knowledge-based processors contain embedded databases that store information required to process packets that travel through a network at wireline speeds. Knowledge based processors are a new addition to intelligent networking that allow these functions to occur at high speeds and at the same time provide for lower power consumption.
Knowledge-based processors currently target the 3rd layer of the 7 layer OSI model which is devoted to packet processing. Knowledge-based processors may eventually be required at every node in the internet due to the demands placed upon it by the converging voice and video phenomena. Layer 7, where application functionality between browser, email, ftp download,and telnet applications occur, is likely the next layer that could make use of knowledge based processors.
Read more about this topic: Knowledge-based Processor
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