Method and device for synchronization of forwarding table of ultra-bandwidth multi-core Ethernet switching chip

A switching chip, Ethernet technology, applied in the field of network communication, can solve problems such as the inability to support processing capacity, and achieve the effect of reducing the cost of chips

Active Publication Date: 2021-08-13
SUZHOU CENTEC COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current chip production process usually adopts 14nm / 12nm or 7nm / 6nm, and its intellectual property core (IP core) can run at a maximum clock frequency of 1.05GHz or 1.7GHz. Under the premise of a single pipeline core, it cannot support processing up to 25.6Tbps ability

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  • Method and device for synchronization of forwarding table of ultra-bandwidth multi-core Ethernet switching chip
  • Method and device for synchronization of forwarding table of ultra-bandwidth multi-core Ethernet switching chip

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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] Such as figure 1 As shown, it is a schematic structural diagram of a multi-core Ethernet switch chip. The multi-core Ethernet switch chip includes a first core and a second core, wherein the first core includes a first message processing module and a first core interaction module, and the second core Including the second message...

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Abstract

The invention discloses a method and device for synchronizing forwarding tables of ultra-high bandwidth multi-core Ethernet switching chips. The working core receives its own processing request and writes the processing result into its own core, and at the same time sends the processing result to the slave working core, which writes the information into its own core; the slave working core receives its own processing request and writes the processing result The request is sent to the main working core, the main working core writes the processing result into its own core, and at the same time sends the processing result to the slave working core, and the slave working core writes the information into its own core; the main working core performs item synchronization according to the preset cycle . The invention effectively solves the interoperability problem of two cores in one package, so that the external system behavior of the multi-core Ethernet switching chip is the same as that of a single core.

Description

technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to a method and a device for synchronizing forwarding tables of an ultra-bandwidth multi-core Ethernet switching chip. Background technique [0002] With the development of scenarios such as ultra-large-scale cloud networks, storage networks, and HPC (High Performance Computing, high-performance computer clusters), the amount of data exchange on the network is increasing, and the processing capacity of single chips is constantly increasing, from Gbps to Tbps Magnitude. The current chip production process usually adopts 14nm / 12nm or 7nm / 6nm, and its intellectual property core (IP core) can run at a maximum clock frequency of 1.05GHz or 1.7GHz. Under the premise of a single pipeline core, it cannot support processing up to 25.6Tbps ability. In order to cope with the rapidly rising packet processing bandwidth, multi-core design has become the development dir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/741H04L29/08H04L45/74
CPCH04L45/74H04L67/1095
Inventor 蒋震方沛昱周伟龚海东
Owner SUZHOU CENTEC COMM CO LTD
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