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The knockout switch under nonuniform traffic

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4 Author(s)
Hyunsoo Yoon ; Dept. of Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea ; Liu, M.T. ; Lee, K.Y. ; Kim, Y.M.

The knockout switch is a nonblocking, high-performance switch suitable for broadband packet switching. It allows packet losses, but the probability of a packet loss can be kept extremely small in a cost-effective way. The performance of the knockout switch was analyzed under uniform traffic. In this paper, we present a new, more general analytic model of the knockout switch, which enables us to evaluate the knockout switch under nonuniform traffic. The new model also incorporates the effects of a concentrator and a shared buffer on the packet loss probability. Numerical results for nonuniform traffic patterns of interest are presented

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Communications, IEEE Transactions on  (Volume:43 ,  Issue: 6 )