Traffic Management in Stratix GX Devices

Data networks were designed to meet the rapidly increasing bandwidth requirements of Internet traffic, which increased line rates by 400 percent every 2 to 3 years. These initial networks were able to handle e-mail and web traffic, but were not able to make service providers a profit. The communications industry is now looking to develop more intelligent networks that reduce operational expendi-tures and increase profits. The goal of current network planners is to make more efficient use of the existing band-width as well as offer additional services, like voice or video support. This will be enabled by efficient traffic management across the entire network. This white paper discusses traffic-management concepts and the implementation of traffic-management functions within Altera® StratixTM GX devices. It also provides a detailed discussion on memory and memory interfacing, which are critical to effective traffic-management implementations.

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