Method, transmitter and receiver for transmitting data streams of flexible Ethernet
A technology of data flow and Ethernet, applied in the field of Ethernet, can solve the problems of low transmission efficiency, waste of overhead area resources, long time-consuming configuration of physical connection group interactive map, etc., to achieve the effect of improving transmission efficiency and saving overhead
Active Publication Date: 2019-09-03
HUAWEI TECH CO LTD
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Problems solved by technology
[0004] In the prior art, in order to realize the identification of the sequence of physical connections in the physical connection group, multiple physical connection group configuration interaction maps are transmitted in the overhead area (the bit area included in the overhead code block) of each substream. A lot of redundant information is transmitted, wasting resources in the overhead area, and it takes a long time to transmit multiple physical connection group configuration interaction maps, resulting in low transmission efficiency
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[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part 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.
[0061] For ease of understanding, the prior art is briefly described first.
[0062] figure 1 Shows the data frame structure of Flexible Ethernet. exist figure 1 Among them, within a subframe period, the FlexEth overhead code block (Overhead) is followed by several information code blocks with a 64×66b structure, for example, 20480 information code blocks with a 64×66b structure. Several consecutive subframe periods (usually 4 subframes) constitute a ba...
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Embodiments of the present invention provide a method for transmitting flexible Ethernet data streams, a transmitter, and a receiver. The method includes: acquiring data streams to be transmitted; The flow is allocated to N physical connections, and N subflows corresponding to N physical connections are obtained; N subflows are transmitted through N physical connections, wherein, the subflows transmitted on each physical connection include the configuration status of each physical connection information, and the configuration state information includes the identification of each physical connection, and the identifications of the physical connections adjacent to each physical connection in the physical connection group. The embodiment of the present invention saves the overhead required for identifying the sequence of each physical connection in the physical connection group during data stream transmission, and improves transmission efficiency.
Description
technical field [0001] Embodiments of the present invention relate to the field of Ethernet, and more specifically, relate to a method for transmitting data streams of flexible Ethernet, a transmitter and a receiver. Background technique [0002] The introduction of the concept of Flexible Ethernet (FlexEth) provides a feasible evolution direction for the virtualization of Ethernet physical connections. Specifically, in FlexEth, one or more physical connections can be cascaded together in a certain order to form a physical connection group. This physical connection group is equivalent to a logical connection between the sending and receiving ends. The interface bandwidth of the logical connection is It can be regarded as the sum of the bandwidths of all physical connections in the physical connection group. Therefore, according to actual needs, FlexEth can configure logical connections with different bandwidths by cascading different physical connections, which is more flex...
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IPC IPC(8): H04L12/28H04L12/26H04L12/24H04L29/06H04L45/02
CPCH04L47/34H04L47/24H04L69/10H04L41/0893H04L47/828
Inventor 钟其文吴秋游
Owner HUAWEI TECH CO LTD