Programmable Logic


Interface provides 'network glue' in reference platform

29 August 2001 Programmable Logic

Altera has announced that Clearwater Networks has successfully implemented its Atlantic interface, integrating various networking functions within its quad-gigabit ethernet hardware reference platform. Altera's Atlantic interface greatly shortened the development time of this platform, proving that developers, when armed with the right programmable logic technology, can rapidly create complex communications systems involving disparate elements, said the company.

Clearwater Networks designed the reference platform to allow customers of its CNP810SP network services processor to rapidly develop and deploy advanced networking services. Such services include URL-based web switching, SSL acceleration, network address translation (NAT), IPv6 gateways, and content-aware traffic shaping at multigigabit data rates. Altera's Atlantic interface enabled Clearwater Networks to bridge network protocols within the reference platform, easing its development and allowing quick release to customers.

"Using Atlantic, we were able to quickly bridge between Altera's POS-PHY Level 3 intellectual property (IP) MegaCore function and other networking functions in our reference design," said Sundar Rajan, Director of Network Systems at Clearwater Networks. "The Atlantic interface's optimal routing and low latency allowed us to meet all of our performance goals. Altera offered us not only the POS-PHY Level 3 IP, but also the means to easily integrate it into our design via the Atlantic interface, along with excellent customer support. We achieved significant time and cost savings with this truly complete solution."

"Leading-edge systems developers are challenged to deal with a proliferation of emerging intra-chip, chip-to-chip and board-to-board communication standards such as Flexbus, POS-PHY, HyperTransport, RapidIO, and many others," said Craig Lytle, Vice President of Altera's intellectual property business unit. "Because it is designed to easily bridge these standards, the Atlantic interface can act as 'network glue' in these systems. This capability is essential in enabling a developer to create an entire system-on-a-programmable-chip (SOPC) as quickly and easily as possible."

Altera's Atlantic interface is a scalable, high-speed on-chip interface for packet and cell transfer. Optimised for programmable logic devices, it allows designers to quickly build bridges between incompatible devices, as well as facilitate the user's integration of intellectual property with a simple, clearly defined, and supported interface.





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