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Iterative Throughput Calculation for Crosspoint Queued Switch
Milutin RADONJIC Igor RADUSINOVIC Jelena CVOROVIC Kenji YOSHIGOE
IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Network System
crosspoint queued switch, throughput, iterative formulas,
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In this letter, we propose a novel approximate method for throughput calculation of crossbar switch with buffers only in crosspoints, in the case of uniform traffic. It is an iterative method based on the balance equations that describe crosspoint buffer state. Due to some approximations, we derive very simple formulas suitable for matrix calculation. This method gives results very close to the results obtained by numerous simulations, especially for larger switch and long buffers.