Data query method and device
A data query and data technology, applied in the field of data query, can solve the problem of high cost of TCAM query
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[0053]Next, the technical scheme in the present application embodiment will be described in the present application, and it is understood that the described embodiments are intended to be described herein, not all of the embodiments of the present application. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative labor, are the scope of the present application.
[0054]As described in the background, the existing large-capacity high-speed data screening query method is mainly processed by TCAM. All entries in the TCAM can access parallel access, and the query speed is fast, but it is available mask, value mode, lou The entry is limited. If the access list is large or requires a lot of fourth-layer operations, the TCAM tables and registers are likely to overflow, and the TCAM cost is higher, the unit price of the storage space is higher than that of ordinary static random access memory, and can consume energy ...
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