Active Multi-Stream Spectrum Allocation Method Based on Exponentially Divided Frequency Blocks in Elastic Optical Networks
An elastic optical network and spectrum allocation technology, applied in the field of elastic optical network, can solve the problems that the passive multi-flow spectrum allocation method cannot effectively use spectrum resources and reduce the blocking rate of connection requests, so as to reduce the limitation of spectrum adjacency and reduce resource allocation Complexity, effective use of the effect
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[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] Such as figure 1 As shown, an active multi-flow spectrum allocation method based on exponentially divided frequency blocks in an elastic optical network reduces the frequency spectrum by dividing the frequency spectrum into multiple types of frequency blocks and splitting the connection request into multiple streams. Spectrum adjacency restrictions and spectrum continuity restrictions during allocation increase spectrum reusability, and finally achieve ...
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