Scheduling method and device based on cut-through technology

A scheduling device and scheduling method technology, applied in the field of communication, can solve the problems of long transmission time, degradation of communication quality, etc.

Active Publication Date: 2015-11-25
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For a data packet, if it is detected that the data packet has not been completely stored in the memory, at this time, it is necessary to wait for the complete storage of the data packet, which will result in a longer transmission time for the data packet from the input network card to the output network card, resulting in poor communication quality. decline

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  • Scheduling method and device based on cut-through technology
  • Scheduling method and device based on cut-through technology
  • Scheduling method and device based on cut-through technology

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Embodiment Construction

[0056] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0057] reference figure 1 , Which illustrates the downstream processing flow of the network card based on the pass-through forwarding technology. Such as figure 1 As shown, the network card 10 uses a new generation of peripheral component interconnection standards (English: PeripheralComponentInterconnectExpress, abbreviated as: PCIe)...

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Abstract

The embodiment of the invention provides a scheduling method and device based on a cut-through technology. In the embodiment of the invention, a current time mark is compared with a pre-estimation time mark of pre-estimation time carried in packet description when detection indicates that a data packet corresponding to the packet description is not completely stored in a storage of equipment based on a cut-through technology, and the equipment starts to schedule the data packet corresponding to the packet description when the current time marker is greater than or equal to the pre-estimation time marker, so that scheduling is started while the data packet is stored; the transmission time of the data packet from input equipment to output equipment is shortened; and the communication quality is improved. Moreover, the precondition for the equipment to schedule the data packet is that the current time marker is greater than or equal to the pre-estimation time marker, so that the integrity of the data packet scheduled by the equipment is ensured, and effective scheduling of the data packet by the equipment is realized.

Description

Technical field [0001] The embodiment of the present invention relates to communication technology, and in particular to a scheduling method and device based on the cut-through forwarding technology. Background technique [0002] Cut-through technology (English: Cut-through) means that a device, such as a switch or a network card, starts to send the data packet to the destination port after obtaining the destination address of the data packet. Under normal circumstances, the device has already obtained the destination address when receiving the first 6 bytes of the data packet, so that the destination port can be determined and the data packet is forwarded to the destination port. [0003] Next, take the network card as an example to illustrate the downstream processing flow of the network card based on the pass-through forwarding technology. The network card obtains the data packet from the main memory of the central processing unit (English: Central Processing Unit, referred to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801
CPCH04L47/33
Inventor 雷春王运富
Owner XFUSION DIGITAL TECH CO LTD
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