The Cypress Semiconductor search engine

February 16, 2005

Cypress Semiconductor just announced the availability of the Sahasra 50000 Network Search Engine (NSE), a single-chip algorithmic search engine.

This new device offers a suitable price-performance-ratio for longest prefix match (LPM) and exact match packet classification applications, and is especially effective for high-capacity forwarding applications (one-million entries and above) where traditional solutions may not be cost effective.

The adoption of IPv6 and other new protocols, combined with increasing line rates and the need to support advanced network services such as virtual private networks and virtual router forwarding, puts tremendous strain on packet classification subsystems.

By combining advanced search algorithms and high-performance memory on a single chip, the Sahasra 50000 NSE provides a suitable solution for forwarding applications.

The deterministic, high search performance of 250 million searches per second, and the ability to support as many as 1.5 million IPv4 routes in a single chip, allow the Sahasra device to offer lowest cost-per-route.

The integrated SRAM at the core of the Sahasra device enables full-speed performance while consuming as little as 10% of the power of a comparable TCAM-based solution.

This, coupled with the TCAM-like interface of the Sahasra device will reduce system level design complexity.

The Sahasra 50000 NSE is supported by a complete software solution, the Cynapse software platform, which includes the production-ready table management code as well as models and documentation to support the design-in process.

The Cynapse architecture allows migration between the various Cypress NSE families with minimal application level code changes.

This architecture, coupled with the interface characteristics of the Sahasra device, allows easy software and hardware migration from existing solutions.

Source: Embedded Control Europe

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