| IBM PowerNP NP4GS3 network processor |
[Vendor: IBM Microelectronics]
The IBM PowerNP NP4GS3 network processor is an advanced, robust, programmable, high-performance solution for the most demanding routing applications. A new high-end member of the IBM PowerNP family of network processors, the NP4GS3 implements copper interconnect technology and integrates a switching engine, search engine, frame processors, and multiplexed MACs. Designed to satisfy enterprise, core, and edge networking and Internet requirements, at wire speed, the NP4GS3 processor is scalable to meet increasing bandwidth and func- tional demands. It can deliver complex functions, such as quality of service (QoS), scheduling, flow control, and differentiated services.
The NP4GS3 enables product differentiation through the combination of specific features for routing networking applications including: - 16 programmable picoprocessors providing 2128 MIPS aggregate processing capability
- Embedded IBM PowerPC processor providing additional design flexibility for network interconnect devices
- Hardware accelerators performing functions such as tree searches, frame forwarding, frame filtering, and frame alteration
- 40 Fast Ethernet/4-Gb MACs with SMII, GMII,and 8B/10B interfaces supporting industry standard PHY components
- OC-48c, OC-48, four OC-12, and sixteen OC-3 integrated Packet over Sonet (POS) interfaces supporting industry standard POS framers
- Advanced flow control designed to help prevent TCP collapse
- Hardware support for port mirroring for remote traffic monitoring
- Supporting multi--threads to improve performance
The exceptional processing capability of the IBM PowerNP NP4GS3 is enabled from its embedded processor complex, which is made up of 16 picoprocessors, multiple hardware accelerators, and a PowerPC microprocessor. A pair of picoprocessors share hardware accelerators in a configuration that can process up to 32 frames in parallel and provide an aggregate 2,128 MIPs. The hardware accelerators perform tree searches, frame forwarding, frame filtering, frame alteration, and other functions.
The NP4GS3's multiplexed MACs can simplify designs for diverse protocols and enable more compact and lower- power products. The NP4GS3 supports 40 10/100 Mb Ethernet ports or 4 gigabit Ethernet ports. Alternatively, it can support 4 OC-12 POS, 16 OC-3 POS or link aggregate POS ports. In Ethernet applications, the NP4GS3 supports IEEE 802.3ad link aggregation, IEEE 802.1q VLAN detection, and jumbo frames (up to 9,022 bytes).
Operation of the NP4GS3 is supported under Embedded Linux.
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