Kontron Develops Packet Processor For 4G Networks

Kontron has unveiled its second generation of AdvancedMC packet processor modules for 4G network applications, which features the Cavium Networks Octeon II CN6335 MIPS64 six-core processor. The Kontron AdvancedMC packet processor module AM4211 has generated interest from 4G network equipment vendors seeking a faster time to deployment using standards-based hardware platforms such as AdvancedTCA and MicroTCA.

Platform design considerations for the Kontron AM4211 include using it as an eNodeB and LTE network element component or, in combination with full-scale AdvancedTCA blades, as a co-processor network interface card (NIC). The module can be scaled across both MicroTCA (Picostation, Microstation to Macrostation) and 14-slot AdvancedTCA platforms. The new features of the CN6335 processor on the Kontron AM4211 support one 10GbE to the front and software configurable interfaces to the Fabric with either two PCIe x4 or SRIO, which expands its application usage when configuring systems in combination with standards-based third-party digital signal processing (DSP) AMCs.

The CN6335 processor also ensures the AM4211 delivers the best performance per watt compared to other multicore processors, according to Kontron. Telecom equipment manufacturers (TEMs) will realise deterministic, low-latency, third-generation DPI performance capabilities with unlimited rules and a feature set on a single chip that includes integrated security for a broad range of applications at the Core, Edge and Access network elements.

This next-generation packet processor module delivers compatible evolution and can meet numerous market requirements when designing high-performance 4G network elements, including high-density computing (9GHz) within a stringent thermal budget (less than 40W on 12V DC), making it a suitable candidate for an AMC system component. It is interoperable with third-party AMCs based on DSP and FPGA. With direct connectivity to FPGA/DSP AMCs in a MicroTCA platform, it is a complete solution for MAC processing and L3-L7 processing on single chip, achieving a high throughput of up to 15M packets per second (pps).

Some key differentiators of the Kontron AM4211 with the CN6335 processor include the support of SRIO in addition to PCI-e Gen 2 and XAUI, plus a set of advanced hardware acceleration capabilities. This includes: 10Gbps+ for security; TCP packet processing and QoS; 4Gbps for third-generation DPI; 10Gbps+ for compression; 80Gbps+ for RAID/XOR/DeDup; and a schedule/synch/ordering engine for unlimited flows. The Kontron AM4211 supports GbE on Ports 0 and 1 connected to the CN6335 processor for control plane functions and is fully software compatible with the existing Kontron AdvancedMC packet processing modules AM4204, AM4210 and AM4220, so it is suitable for configurations in the Kontron MicroTCA 1U platform OM6061.

There are two AdvancedMC options: communication processor (CP) and application acceleration processor (AAP). The CP version incorporates general-purpose MIPS64 cores and hardware acceleration for networking, while the AAP version adds hardware acceleration for security, regular expression, compression, RAID and de-duplication. The six-core Octeon II CN6335 processor at 1.3GHz features one 72b and one 16b DDR3-1600 integrated memory controller and 12 Gen2 Serdes.

There is a single SO-DIMM socket with up to 8GB DDR3 registered ECC SDRAM, another 512MB of DDR3 SDRAM employed for regular expression pattern matching engine memory (HFA), plus up to 16GB extended memory via a USB Flash drive. The CN6335 also incorporates SGMII with IEEE 1588 time stamp for Ethernet time synchronisation, which is ideal for all-IP network infrastructure synchronisation implementations in the 4G network.

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