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Communication device and communication method

A technology of communication equipment and communication method, applied in the field of communication, can solve problems such as large delay, and achieve the effect of reducing delay

Active Publication Date: 2022-03-11
MAIPU COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the storage and reading speed of the external memory is lower than the storage and reading speed of the internal cache of the router device, the added caching process will cause a large delay

Method used

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  • Communication device and communication method
  • Communication device and communication method

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Experimental program
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Embodiment 1

[0020] The embodiment of the present application provides a communication device, referring to figure 1 As shown in , the communication device includes: a backplane interface 101 , a wide area network interface 102 , a sending control unit 103 , a first cache unit 104 , a second cache unit 105 , a memory control unit 106 , and an external memory 107 . The communication device may be a routing device, a switching device, and the like.

[0021] The bandwidth of the backplane interface 101 is greater than the bandwidth of the WAN interface 102 . The backplane interface 101 refers to an Ethernet interface, and the bandwidth of the backplane interface 101 refers to the maximum bit rate at which the processor in the backplane processes packets to be sent. The WAN interface 102 may be an Ethernet interface or an optical interface, and the bandwidth of the WAN interface 102 refers to the maximum bit rate for sending packets to the WAN through the WAN interface 102 . For example, the...

Embodiment 2

[0034] The embodiment of the present application provides a communication method, which is applied to the above-mentioned communication device, refer to figure 2 As shown in , the method includes:

[0035] S101. Acquire the length of the message to be sent from the backplane interface from the first cache unit; acquire the remaining storage space in the second cache unit from the second cache unit; acquire the occupied storage space in the external memory from the memory control unit.

[0036] S102. If the length of the message to be sent, the remaining storage space in the second cache unit, and the occupied storage space in the external memory meet the preset conditions, control the memory control unit to store the message to be sent cached in the first cache unit to the second cache unit. Two cache units.

[0037] Wherein, the length of the message to be sent, the remaining storage space in the second cache unit and the occupied storage space in the external memory meet t...

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PUM

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Abstract

The application discloses a communication device and a communication method, which relate to the field of communication and are used for reducing the time delay of sending messages by the communication device when the traffic is low. The communication device includes: a backplane interface, a wide area network interface, a sending control unit, a first cache unit, a second cache unit, a memory control unit, and an external memory; the first cache unit is used to process messages to be sent from the backplane interface Cache; the second cache unit is used to cache the message to be sent before sending the message to be sent through the WAN interface; the bandwidth of the backplane interface is greater than the bandwidth of the WAN interface; the sending control unit is used for: if the first cache unit is to be sent If the length of the message, the remaining storage space in the second cache unit and the occupied storage space in the external memory meet the preset conditions, the memory control unit is controlled to store the message to be sent buffered in the first cache unit to the second cache unit. The embodiments of the present application are applied to high-speed communication equipment.

Description

technical field [0001] The present application relates to the communication field, and in particular to a communication device and a communication method. Background technique [0002] In a router device, the speed of the backplane interface is usually higher than that of the WAN interface, so an external memory is installed in the router device to cache the packets sent by the backplane interface and then send them out through the WAN interface. Since the storage and reading speeds of the external memory are lower than the storage and reading speeds of the internal cache of the router device, the added caching process will generate a relatively large delay. Contents of the invention [0003] Embodiments of the present application provide a communication device and a communication method, which are used to reduce the time delay for the communication device to send packets when traffic is low. [0004] In order to achieve the above object, the embodiments of the present ap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L49/90H04L49/111H04L49/10H04L45/60
CPCH04L45/60H04L49/10H04L49/30H04L49/90H04L49/9078
Inventor 李建国
Owner MAIPU COMM TECH CO LTD