NP-4

100Gbps NPU for Carrier Ethernet Applications

Mellanox’s NP-4 is a highly flexible network processor providing wire-speed packet processing with both an integrated traffic manager and a control CPU. NP-4 provides the silicon core of next-generation Carrier Ethernet Switches and Routers (CESR).

Through programming the NP-4 delivers a variety of applications such as L2 switching, QVLAN stacking, MPLS and VPLS, and IPv4/IPv6 routing coupled with QoS for providing flow-based service level agreements (SLA).


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  • Line card, services card, pizza box and switch card applications
  • Based on Mellanox‘s NP-3 with performance scaling and an enhanced feature set
  • On-chip CPUs for control CPU offload
  • On-chip Fabric Interface Controller for interfacing to Ethernet fabrics as well as third-party fabric solutions
  • System-wide traffic management with hierarchical scheduling
  • Flexible processing with programmable packet parsing, classifying, modifying and forwarding
  • IP reassembly
  • Enhanced support for video streams and IPTV
  • Embedded search engine eliminating the need for external co-processors
  • On-chip OAM protocol processing offload
  • Serdes interfaces configurable to various network interfaces
  • Ten XAUI/RXAUI interfaces
  • 24 quad-speed SGMII ports or 48 tri-speed QSGMII ports
  • Three Interlaken MACs
  • Support for OC-768 framer, switch fabrics and external 100G Ethernet MAC
  • Single 40G MAC
  • Internal TCAM
  • On-chip hardware time-stamping supporting IEEE1588v2
  • Support for Synchronous Ethernet ITU-T G.8261 as required by Circuit Emulation Services
  • PCI-Express external host interface
  • Comprehensive on-chip diagnostic hardware support

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