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Network element and controller for managing network element

A technology of network elements and controllers, applied in the field of software-defined network controllers, configuration software-defined networks, and network elements of software-defined networks "SDN"

Active Publication Date: 2015-07-22
TELLABS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the challenges is related to scalability when the number of network elements to be managed by a single controller increases

Method used

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  • Network element and controller for managing network element
  • Network element and controller for managing network element
  • Network element and controller for managing network element

Examples

Experimental program
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Embodiment Construction

[0043] figure 1 A schematic diagram of an exemplary software-defined network "SDN" 100 is shown. The software defined network comprises network elements 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 and 109 . The software-defined network 100 further includes controllers 110 and 111, which can be regarded as a controller system constituting the software-defined network. The network elements 101-109 of this exemplary software-defined network are figure 1 The data transfer links shown in are interconnected with each other. Moreover, this exemplary software-defined network "SDN" 100 may include figure 1 other network elements not shown. Each of the network elements may be, for example, an Internet Protocol "IP" router, a Multiprotocol Label Switching "MPLS" node, a packet optical switch, and / or an Ethernet switch. Each network element may consist of a single device or a combination of multiple devices. Each of the controllers 110 and 111 may also be constituted by a single d...

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PUM

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Abstract

A method for configuring network elements of a software-defined network comprises receiving (401) configuration data at one of the network elements, constructing (402) a configuration system of the network element on the basis of the configuration data, addressing (403) by the network element the configuration data or an appropriate portion of it to at least one other of the network elements, and transmitting (404) in accordance with the configuration system at least the appropriate portion of the configuration data to the other network element. The other network element, in turn, constructs its configuration system on the basis of the configuration data received by it and possibly transmits at least a portion of the configuration data to still one or more other network elements. Thus, the network elements represent a single entity from the viewpoint of a controller of the software-defined network. Hence, the scalability of the software-defined network is improved. The figure proposed to be presented with the abstract: Figure 4.

Description

technical field [0001] The present invention relates generally to software defined networking. More specifically, the present invention relates to a network element for a software defined network "SDN" and a controller for a software defined network. Furthermore, the invention relates to a method for configuring a software defined network. Furthermore, the invention relates to a computer program for a network element of a software defined network and a computer program for a controller 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 may be separate from the network elements, and the data plane is implemented in the network elements. A network element may be, for example, an Internet Protocol "IP" router, a Multiprot...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L45/42
CPCH04L45/34H04L41/0803H04L45/42H04L45/64H04L41/0895
Inventor 韦沙·库奥卡宁茱哈马蒂·库西萨里
Owner TELLABS
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