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Message forwarding method, forwarding equipment and network equipment

A technology of message forwarding and forwarding equipment, applied in the field of data transmission, can solve the problems of large jitter, uneven transmission delay of TSN message flow, low efficiency, etc., and achieve the goal of reducing jitter, improving resource utilization and forwarding efficiency Effect

Pending Publication Date: 2021-01-08
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This makes the transmission delay of the TSN packet flow uneven, the jitter is very large, and the efficiency of the system for packet forwarding is low.

Method used

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  • Message forwarding method, forwarding equipment and network equipment
  • Message forwarding method, forwarding equipment and network equipment
  • Message forwarding method, forwarding equipment and network equipment

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Embodiment Construction

[0062] The technical solution in this application will be described below with reference to the accompanying drawings.

[0063] The TSN involved in this application may be a standard defined by a time-sensitive networking task group (time-sensitive networking task group) of the Institute of Electrical and Electronics Engineers (IEEE). For example, the TSN may be IEEE802.1ASbt or IEEE802.1Qcc. The TSN packet flow may be a TSN-compliant packet flow. Different TSN packet streams may have different characteristics. For example, the quintuple of TSN packet flow 1 is different from the quintuple of TSN packet flow 2. The five-tuple may include a source Internet Protocol (Internet Protocol, IP) address, a destination IP address, a source port, a destination port, and a protocol number (protocol). For another example, the constraint condition of TSN packet flow 1 is different from the constraint condition of TSN packet flow 2 . The constraint conditions may include the duration of...

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Abstract

The invention provides a message forwarding method, forwarding equipment and network equipment. The message forwarding method comprises the steps of: receiving N time-sensitive network TSN message streams, wherein each TSN message stream in the N TSN message streams corresponds to a constraint condition defining the duration of a single time period, the maximum value of the number of messages allowed to be transmitted in the single time period and the maximum length of the single message; forwarding the N TSN message streams according to the new constraint conditions defining the duration of the single time period, the defined maximum value of the number of messages allowed to be transmitted in the single time period and the maximum length of the single message, and forwarding each TSN message stream under the condition that the corresponding constraint condition is followed, wherein the new constraint conditions are determined according to the constraint condition corresponding to each TSN message stream in the N TSN message streams. According to the message forwarding method, jitter of the message during forwarding can be reduced, and the resource utilization rate and the forwarding efficiency of the message forwarded by the system can be improved.

Description

technical field [0001] The application relates to the field of data transmission, in particular to a message forwarding method, a forwarding device and a network device. Background technique [0002] In recent years, traditional Ethernet combined with Quality of Service (Qos) technology provides more efficient and low-latency network services on the basis of best-effort (Best-Effort) forwarding mechanism. However, since bursts and congestion in the network cannot be predicted and avoided, under the Best-Effort forwarding mechanism, there will still be a certain probability of large forwarding delay or packet loss. This is difficult to meet the transmission requirements of some services that are sensitive to delay and packet loss (for example, the transmission of time sensitive network (Time Sensitive Networking, TSN) packet flow). [0003] In a typical example, due to transmission congestion, the forwarding device may not receive a certain TSN packet flow in a certain perio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/841H04L12/863H04L12/935H04L12/947H04L49/111
CPCH04L47/283H04L47/621H04L49/252H04L49/3027H04L47/2416H04L47/568H04L47/56H04L47/622
Inventor 王童童李楠诺曼﹒芬
Owner HUAWEI TECH CO LTD
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