USXGMII multichannel IPG precise compensation method and system

A multi-channel and accurate technology, applied in the field of network communication, can solve problems affecting system performance, data loss, etc., and achieve the effect of meeting performance requirements, accurately matching bearing rates, and improving stability and reliability.

Active Publication Date: 2017-03-15
SUZHOU CENTEC COMM CO LTD
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Problems solved by technology

For each physical link, it has multiple logical links, and the rate corresponding to each logical link can change accordingly according to the working rate of the physical link, for example: 10G/5G/2.5G/1G/ 100M/10Mbps; each logical link is completely independent, and it conforms to the XGBASE-R and XGMII protocol standards defined by IEEE802.3; in USXGMII-Multiport mode, the sending direction of PCS needs to be inserted into AM at a fixed data interval Data, the receiving end of PCS performs

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  • USXGMII multichannel IPG precise compensation method and system

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Embodiment Construction

[0045] The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

[0046] Such as figure 1 As shown, in one embodiment of the present invention, the USXGMII multi-channel IPG accurate compensation method includes:

[0047] S1. Obtain the working rate of the physical link, the number of logical channels distributed corresponding to a physical link, and the effective transmission rate corresponding to each logical channel;

[0048] During data transmission, real-time monitoring of the number of AM data inserted corresponding to each logical channel, and the total length of AM data inserted into the physical link at a fixed interval of monitoring;

[0049] Further, the...

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Abstract

The invention provides a USXGMII multichannel IPG precise compensation method and system. The method comprises the steps of obtaining the length of a correspondingly deleted IPG unit between two groups of AM data inserted corresponding to each logic channel according to a working rate of a physical link, the number of distributed logic channels, a valid transmission rate corresponding to each logic channel and a length of a group of AM data inserted into each logic channel; and obtaining a data deletion interval corresponding to each logic channel and the length of the IPG data needing to be deleted among the data deletion intervals according to the length of the correspondingly deleted IPG unit of each logic channel and the number of the inserted AM data. According to the USXGMII multichannel IPG precise compensation method and system provided by the invention, the transmission rate of the data is enabled to precisely match the bearing rates of the logic channels, the performance demand of the system is satisfied, and the stability and reliability of a network chip are improved.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a USXGMII multi-channel IPG accurate compensation method and system. Background technique [0002] USXGMII is an industry-wide serial XG interface protocol standard defined by CISCO. The protocol standard is divided into two modes: Single and Multiport. The USXGMII-Multiport standard defines only one physical link, and its rate can be 5.15625Gbps, 10.3125Gbps, 20.625Gbps, etc. For each physical link, it has multiple logical links, and the rate corresponding to each logical link can change accordingly according to the working rate of the physical link, for example: 10G / 5G / 2.5G / 1G / 100M / 10Mbps; each logical link is completely independent, and it conforms to the XGBASE-R and XGMII protocol standards defined by IEEE802.3; in USXGMII-Multiport mode, the sending direction of PCS needs to be inserted into AM at a fixed data interval Data, the receiving end of PCS performs data sy...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0002H04L1/0015H04L1/0041H04J3/0697H04L27/2666
Inventor 王东贺伟袁春建
Owner SUZHOU CENTEC COMM CO LTD
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