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Network and data transmission method and device

A network and core equipment technology, applied in data transmission and network fields, can solve problems such as forwarding congestion, inability to finely identify service types, packet loss, etc., and achieve the effect of reducing congestion

Pending Publication Date: 2021-12-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a method and device for network and data transmission, which can solve the problems of forwarding congestion and packet loss caused by the lack of identification ability of the egress router and the inability to finely identify the service type in the related technology

Method used

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  • Network and data transmission method and device
  • Network and data transmission method and device
  • Network and data transmission method and device

Examples

Experimental program
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Embodiment Construction

[0075] The embodiment of the present application provides a data transmission method, which can be applied to a network. The network can be a campus network. When the campus network is constructed, an overlay network can be built on the underlying (underlay) physical network. The overlay network can also be It may be called an overlay network, a virtual network, and the like. Such as figure 1 As shown, in the overlay network of the embodiment of the present application, the network devices can be divided into two roles, one is the core device, and the core device can correspond to the core switch, egress router, etc. in the underlying network. The other is an edge device, which is a network device for accessing a user-side terminal, and may correspond to an access device of an underlying network, such as an access switch, an access point (Access Point, AP), and the like.

[0076] A data transmission method provided in the embodiment of the present application can be applied t...

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PUM

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Abstract

The invention discloses a network and data transmission method and device, and belongs to the technical field of communication. The network includes core equipment and edge equipment. And the edge equipment identifies the service type of the first service message from the core equipment, and reports the service type identifier of the first message to the core equipment. And the core equipment determines the priority corresponding to the service type identifier according to the stored service priority corresponding relationship, and forwards the service message belonging to the same service flow as the first service message according to the priority. According to the technical scheme, the high service identification capability of the edge equipment is utilized, fine identification of thousands of service types can be achieved, the high table item storage capability of the core equipment is utilized, and the corresponding relation between the thousands of service types and priorities can be stored and recorded. The problems of transmission congestion, packet loss and the like caused by the fact that the service types cannot be finely identified and the same priority cannot be allocated to the service messages of different service types are effectively avoided.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a network, a data transmission method and a device. Background technique [0002] Generally, the campus network can be composed of network devices such as egress routers, core switches, aggregation switches, and access switches. To improve service quality, the campus network distinguishes service packets of different types from application servers and forwards them with different priorities. [0003] At present, the egress router realizes the identification of service types of service packets. According to the existing specifications, the egress router can identify eight types of services, and assigns corresponding priorities to each service type. The egress router can identify the service type of the service message from the application server, add a corresponding priority identifier to the service message according to the identification result, and forward ...

Claims

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Application Information

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IPC IPC(8): H04L12/851H04L12/725
CPCH04L47/2433H04L45/306H04L47/24H04L45/64H04L47/2475H04L47/2408H04L47/41
Inventor 于斌畅文俊贺行健陈伟王东辉
Owner HUAWEI TECH CO LTD
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