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Method and apparatus for configuring a software-defined network

A software-defined, network technology, applied to the network unit of the network, one or more network units of the network, can solve problems such as increasing complexity

Active Publication Date: 2019-03-05
TELLABS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, in conjunction with OpenFlow, the need for adding new actions has resulted in increased complexity of the OpenFlow specification and, by corollary, of network elements supporting the OpenFlow specification

Method used

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  • Method and apparatus for configuring a software-defined network
  • Method and apparatus for configuring a software-defined network
  • Method and apparatus for configuring a software-defined network

Examples

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Embodiment Construction

[0033] figure 1 A schematic illustration of a software-defined network "SDN" 100 according to an exemplary embodiment of the present invention is shown. The software defined network includes network elements 101 , 102 , 103 and 104 and a controller 105 . Exemplary software-defined networking network elements 101-104 as in figure 1 are connected to each other with a data transfer link as shown in . Moreover, an exemplary software-defined network "SDN" 100 may include figure 1 other network elements not shown. The network elements may be, for example, IP (Internet Protocol) routers, Multiprotocol Label Switching "MPLS" nodes, packet optical switches and / or Ethernet switches. Each network element may consist of a single device or a combination of multiple devices. exist figure 1 In the exemplary case shown in , an end device 107 is connected to a controller 105 and a network unit 102 acts as a gateway to an external network 106 which may be, for example, the global Internet...

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Abstract

The present invention relates to methods and devices for configuring a software-defined network. A method for configuring a network element of a software-defined network "SDN" is provided. The network element maintains at least one look-up table defining actions to be performed in connection with managing the first data frame. The method includes: i) receiving (301) a second data frame from a controller of the software defined network, ii) reading (302) a configuration program from the second data frame, the configuration program comprising one or more computer-executable instructions , the one or more computer-executable instructions defining at least one action to be performed in connection with managing the first data frame, and, iii) associating (303) a configuration program with at least one look-up table such that by means of at least one A lookup table configuration routine is callable to perform in conjunction with managing the first data frame. The use of configuration programs rather than just configuration parameters increases the freedom to implement different functions in the network element.

Description

technical field [0001] The present invention generally relates to software defined networking "SDN". More specifically, the present invention relates to a method and a computer program for configuring one or more network elements of a software-defined network. Furthermore, the invention relates to a network element of a software defined network. Background technique [0002] Software-defined networking is an emerging architecture for data delivery networks. In software-defined networking "SDN," the control plane is separated from the data plane such that the control plane is implemented in one or more controllers that can be separated from the network elements, and the data plane is implemented in the network elements. A network element can be, for example, an Internet Protocol "IP" router, a Multiprotocol Label Switching "MPLS" node, a packet optical switch, and / or an Internet switch. Each network element may consist of a single device or a combination of multiple device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24G06F9/44
CPCG06F9/4843H04L41/0803H04L67/34
Inventor 维莱·哈利沃里
Owner TELLABS