The Cisco SCE family of programmable network devices performs application-layer stateful-flow inspection of IP traffic, and controls the traffic based on configurable rules. The Cisco SCE platform is a network device that uses ASIC components and reduced instruction set computer (RISC) processors to exceed beyond packet counting and expand into the contents of network traffic. Providing programmable, stateful inspection of bidirectional traffic flows, and mapping these flows with user ownership, Cisco SCE platforms provide real-time classification of network use. The classification provides the basis of the Cisco SCE platform advanced traffic-control and bandwidth-shaping functionality. Where most bandwidth shaper functionality ends, the Cisco SCE platform provides further control and shaping options, including:
Figure 1-1 illustrates a common deployment of Cisco SCE platform in a network.
Figure 1-1 Cisco SCE Platform in Network

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