Beijing Zitiao Network Technology Co., Ltd.

Dayong Shen

Jian Wang

Chuansheng Cheng

Haohao Kang

Embodiments of the disclosure provide a device, method, apparatus and computer readable storage medium for forwarding data. A switching device includes: one or more sets of uplink ports, configured to be coupled with a first external interface to transmit data with an upstream device via the first external interface; one or more sets of downlink ports, configured to be coupled with a second external interface to transmit data with a downstream device via the second external interface; a data switching chip, comprising a plurality of forwarding units, each forwarding unit of the plurality of forwarding units adapted to be connected to at least one set of uplink ports of the one or more sets of uplink ports and at least one set of downlink ports of the one or more sets of downlink ports; and a control unit configured to control data forwarding of the data switching chip.

Data forwarding

According to embodiments of the present disclosure, a laminated unit for a printed circuit board and a printed circuit board are provided. The laminated unit includes a plurality of metal layers and a plurality of dielectric layers alternately stacked in a thickness direction, wherein the plurality of metal layers include a signal transmission layer and a pair of reference layers disposed on two sides of the signal transmission layer; at least one of two dielectric layers adjacent to the signal transmission layer is arranged as a resin isolation layer; and the dielectric layers on sides of the pair of reference layers opposite to the signal transmission layer are arranged as reinforcing layers, and the reinforcing layers include a substrate and a resin material arranged around the substrate.

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Beijing, China

Dayong Shen