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Description
Intel® DLB is a new acceleration technology introduced in the 4th Gen Intel® Xeon® Scalable processors with rich hardware queue management capabilities that bring new possibilities for software optimization. Intel® DLB lockless rate limiting eliminates the need to use locks to protect the global token bucket. As a result, there is no need to consider lock optimization. Compared with the existing lightweight lock rate limiting, this paper demonstrates that the advantages of lockless rate limiting are clearly and intuitively demonstrated in terms of accuracy and performance.