Interlaken Look-Aside Intel® FPGA IP

Overview

Interlaken Look-Aside is a scalable protocol that allows interoperability between a datapath device and a look-aside coprocessor for short, transaction-related transfers. A look-aside coprocessor is connected "to the side" of the datapath, and is not in-line of the main datapath of the switch, router, or other networking device. Interlaken Look-Aside is not directly compatible with Interlaken and can be considered a different operational mode.

Interlaken Look-Aside Interconnect Protocol

The Interlaken Look-Aside IP core is suited for coprocessing packet classification typically used for networking applications such as: Quality of service routing, traffic profiling, and firewall functions. The IP's low-latency packet interface, coupled with its efficient data processing capability, enables a high degree of design scalability for emerging network applications.

This IP core includes Intel's technology-leading transceivers:

  • Physical medium attachment (PMA)
  • Physical coding sublayer (PCS)
  • Media access control (MAC) layers.

The PCS and PMA layers are hardened within the Stratix® 10, Arria® 10, Stratix V, and Arria V FPGAs.

Intel has been a part of the Interlaken Alliance since its inception in 2007 and continues to innovate with new protocol features to provide customers with robust and easy-to-implement Interlaken Look-Aside IP solutions. The Interlaken Look-Aside Intel FPGA IP core offers a wide range of bandwidths up to 300G.

The Interlaken Look-Aside IP core is Interlaken Look-Aside Protocol Definition v1.1 compliant and allows system developers to eliminate the computational bottlenecks associated with older, packet classification methods. Intel also offers customized Interlaken Look-Aside IP solutions. For more information, please contact your local sales representative.

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Intel and Cavium Team Up to Provide Pre-verified Packet Classification Solution

The Interlaken Look-Aside Intel FPGA IP core on a Stratix® V FPGA with Cavium’s NEURON Search Processor provides customers a proven packet classification solution that can easily be implemented on any networking or data center platform.

To further simplify our customers’ decision-making process, Intel and Cavium have generated an interoperability report that details the various interoperability modes and performance metrics that can be achieved with this complete, high-performance chipset. Contact your sales person for a copy of this report.

Intel and Cavium Connectivity System Overview

The Interlaken Look-Aside Intel FPGA IP core on a Stratix® V FPGA with Cavium’s NEURON Search Processor provides customers a proven packet classification solution that can easily be implemented on any networking or data center platform.

To further simplify our customers’ decision-making process, Intel and Cavium have generated an interoperability report that details the various interoperability modes and performance metrics that can be achieved with this complete, high-performance chipset. Contact your sales person for a copy of this report.

Key Features

  • Data rate selection up to 25 Gbps
  • Multi-lane configuration up to 24 lanes
  • Packet mode support
  • Low-latency transmit and receive datapaths
  • BurstShort support: 8 bytes or higher
  • Up to two logical channels
  • In-band flow control
  • Fully integrated IP (MAC, PCS, and PMA layers)
  • Tunable pre-emphasis and equalization settings
  • Custom IP deliveries available to optimize for various application needs
  • Available through the IP catalog in the Quartus® Prime Pro Edition software

Block Diagram

Interlaken Look-Aside Intel® FPGA IP Block Diagram

Technical Specifications

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Semiconductor IP