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Tunnel establishing method and apparatus

A tunnel establishment and tunneling technology, applied in the field of communication, can solve problems such as long time to create a tunnel, achieve the effect of improving efficiency and ensuring uninterrupted flow

Active Publication Date: 2018-03-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method and device for establishing a tunnel, which solves the problem in the prior art that it takes too long to create a tunnel after waiting for the preempted tunnel to complete migration in the process of bandwidth soft preemption

Method used

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  • Tunnel establishing method and apparatus
  • Tunnel establishing method and apparatus

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0032] like figure 1 As shown, the embodiment of the present invention provides a method for establishing a tunnel, including:

[0033] Step 11, determine the tunnel path of the target tunnel according to the parameter information of the target tunnel to be established;

[0034] Step 12, constructing a tunnel message according to the tunnel path of the target tunnel and the parameter information of the target tunnel; wherein, the tunnel bandwidth field in the tunnel message is set to zero, or the tunnel message does not include the tunnel bandwidth field;

[0035] Step 13, sending the tunnel message to one or more network nodes related to the target tunnel, and establishing the target tunnel.

[0036] The method for establishing a tunnel provided by th...

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Abstract

The invention provides a tunnel establishing method and an apparatus. The method comprises the following steps of according to parameter information of a target tunnel to be established, determining atunnel path of the target tunnel; according to the tunnel path of the target tunnel and the parameter information of the target tunnel, constructing a tunnel message, wherein a tunnel bandwidth fieldin the tunnel message is set to be zero, or the tunnel message does not contain the tunnel bandwidth field; and sending the tunnel message to one or more network nodes related to the target tunnel, and establishing the target tunnel. In the invention, when tunnel bandwidth soft preemption is generated, because the established tunnel does not need to occupy a bandwidth, the tunnel can be immediately established successfully and does not need to wait for a preempted tunnel to complete migration. Efficiency of tunnel establishing in a network through a SDN controller can be greatly increased. Simultaneously, compared with a condition that the preempted tunnel is directly dismantled, a flow of the preempted tunnel is allowed to go through an original path before preempted tunnel migration iscompleted so as to maximumly guarantee the continuous flow.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method and device for establishing a tunnel. Background technique [0002] Currently, when a software-defined networking (Software Defined Networking, SDN) controller creates a tunnel, if the bandwidth reserved for the link is insufficient, the created tunnel will preempt the tunnel with a lower priority. Due to insufficient bandwidth, in order to ensure uninterrupted traffic, newly established tunnels need to wait for the preempted tunnels to migrate to new paths before being delivered to the device. When there are many preempted tunnels, it takes a long time to wait. In a scenario with a large traffic volume, the time to create a tunnel cannot meet user performance requirements. Similarly, performance problems also exist in scenarios where tunnel paths are updated due to topology changes. Contents of the invention [0003] The purpose of the present inventio...

Claims

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Application Information

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IPC IPC(8): H04L12/911
CPCH04L47/825
Inventor 徐林
Owner ZTE CORP
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