The Intel IXP4XX product line is designed to meet the needs of a variety of applications such as high-end residential gateways; small-to-medium enterprise (SME) routers, switches, security devices; DSLAMs (Digital Subscriber Line Access Multiplexers) for multi-dwelling units (MxU); wireless access points; industrial control systems and networked printers. The four processors in the IXP4XX product line are the Intel IXP425 network processor, the Intel IXP422 network processor, the Intel IXP421 network processor and the Intel IXP420 network processor.
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