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Configuration method, equipment and communication system of sr-be inner tunnel label

A technology of SR-BE and inner label, which is applied in the field of communication, can solve the problem that the protection cannot take effect, and achieve the effect of ensuring effectiveness

Active Publication Date: 2021-07-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a configuration method, device, and communication system for an SR-BE inner tunnel label to solve the problem that multi-homing protection cannot take effect due to different inner tunnel labels of different destination node devices in the existing configuration method

Method used

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  • Configuration method, equipment and communication system of sr-be inner tunnel label
  • Configuration method, equipment and communication system of sr-be inner tunnel label
  • Configuration method, equipment and communication system of sr-be inner tunnel label

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Embodiment Construction

[0047] The application scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. Those skilled in the art know that with the evolution of the network architecture With the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0048] Unless otherwise specified, ordinal numerals such as "first" and "second" mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order of multiple objects.

[0049] Combine below figure 1 with figure 2 An exemplary introduction is given to the SR-BE multi-homing protection scenario and the label encapsulation structure of the SR-BE tunnel invo...

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Abstract

The embodiment of the present application discloses a configuration method, device and communication system of an SR‑BE inner tunnel label. The method is used in a network based on an SR-BE tunnel. The network management device obtains MPLS labels that are not currently occupied by the N second PE devices, obtains an MPLS label set, and selects from the MPLS label set An MPLS label is used as a public inner label; sending indication information carrying the public inner label to the N second PE devices respectively, for instructing the N second PE devices to occupy the public inner label . The technical solution of the embodiment of the present application makes the inner tunnel labels of all the second PE devices in the network all the same, even if the service data message switches paths during transmission, it can be transmitted smoothly, thereby ensuring the effectiveness of multi-homing protection.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular to a method, device and communication system for configuring an SR-BE inner tunnel label. Background technique [0002] When business data is transmitted in the network, it usually starts from the source node device, passes through a path composed of several intermediate node devices and links between adjacent intermediate node devices, and then transmits to the sink node device, and the sink node device then transmits the business data to the target device. In order to ensure that service data can still reach the target device when the sink node device fails in the transmission path, two or more sink node devices can be configured to connect to the target device, and the transmission path from the source node device to each sink node device can be configured at the same time. Two or more transmission paths are obtained. This configuration ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/723H04L12/911H04L45/50
CPCH04L45/50H04L45/507H04L47/825H04L45/16
Inventor 胡永健
Owner HUAWEI TECH CO LTD