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Communication method and communication device

A communication method and controller technology, applied in the field of communication, can solve the problem that a single SDN controller cannot manage services connected across multiple networks, and achieve the effect of improving the efficiency of service provision and reducing the cost of service provision

Active Publication Date: 2021-04-23
NOKIA NETWORKS OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, given the complexity and scale of the network, in practical environments, it is almost impossible for a single SDN controller to manage all connectivity services across multiple networks, multiple vendors, and multiple technology network domains

Method used

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  • Communication method and communication device

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Embodiment Construction

[0026] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the drawings, it should be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein; A more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for exemplary purposes only, and are not intended to limit the protection scope of the present disclosure.

[0027] As used herein, the terms "include" or "comprises" and variations thereof are inclusive, ie "including but not limited to". The term "based on" is "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one further embodiment". Relevant definitions of other terms will be ...

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Abstract

Embodiments of the present disclosure relate to a communication method and a communication device. A method implemented at an SDN controller is provided, comprising: sending a service query request message to a downstream SDN controller, where the service query request message indicates information related to a service required by a data flow; receiving a service query response from the downstream SDN controller message, the service query response message indicates the ability of the downstream SDN controller to provide services for the data flow; and based on the service query response message, select the SDN controller that provides services for the data flow.

Description

technical field [0001] Embodiments of the present disclosure generally relate to communication technologies, and more specifically, relate to a communication method implemented on a communication device and a corresponding communication device. Background technique [0002] In recent years, software-defined networking (SDN) has attracted more and more attention due to its flexible and easy-to-use characteristics. In SDN, the control plane, which performs important network routing and switching functions, is separated from the data forwarding plane. The control plane includes, for example, an SDN controller, the control plane may be logically centralized, and may be implemented using hardware components of various architectures. The data forwarding plane includes, for example, a forwarding device, which can be an inexpensive and simple network switch or router, and the network switch or router can be configured by an SDN controller. The SDN controller controls the forwardin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L45/124H04L67/61H04L67/60
Inventor 汪治
Owner NOKIA NETWORKS OY
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