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Memory Subsystems in High-End Routers

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2 Author(s)
Feng Wang ; Hong Kong Univ. of Sci. & Technol., Hong Kong ; Hamdi, M.

As Internet routers scale to support next-generation networks, their memory subsystems must also scale. Several solutions combine static RAM and dynamic RAM buffering but still have major scaling limitations. Using a parallel architecture and distributed memory-management algorithms with hybrid SRAM/DRAM improves buffering performance. The parallel hybrid SRAM/DRAM memory system is also work conserving, which is particularly important under light traffic conditions.

Published in:

Micro, IEEE  (Volume:29 ,  Issue: 3 )