Orderly packet routing and scheduling method in clos network
A scheduling method and network technology, applied in the field of communication, can solve problems such as being unsuitable for high-speed implementation, and achieve the effect of high throughput rate
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[0042] The content and effects of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0043]The Clos network of the present invention includes a three-stage switching unit, the first-level switching unit adopts a Crossbar structure with an input buffer, the intermediate-level switching unit adopts a non-buffered Crossbar structure, and the third-level switching unit adopts a cross node with an input buffer. The Crossbar structure. in:
[0044] The Crossbar structure with input buffer used by the first-level switching unit is composed of an input port, a crossbar switch, an output port, and an input buffer placed at the input port of the Crossbar. The input buffer is divided into multiple virtual output queues VOQ, each virtual output queue VOQ stores packets destined for the same output port of the same Crossbar in the third level. The virtual output queue group VOSQ is composed of multiple virtual output queues VO...
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