Custom NPUs for Broadband Access Line Cards

Telecommunications (telecom) equipment makers are facing tough challenges in their Digital Subscriber Line Access Multiplexer (DSLAM) designs. These challenges translate into numerous specific requirements for the Access Processors (APs) resident on DSLAM line cards. To examine these AP requirements, here is a brief look at semiconductor industry trends, as well as the architectural features available in a specific FPGA-based Access Flow Processor (AFP). The paper also highlights why custom Network Processing Units (NPUs) are an ideal choice for DSLAM line cards.